STMicroelectronics NUCLEO-F401RE STM32 Nucleo-64 Development Board

Cytron SHIELD-3AMOTOR 1.2A Dual Channel 7V–30V DC Motor Driver Shield for Arduino The Cytron SHIELD-3AMOTOR is a high-performance, dual-channel DC motor driver shield designed for Arduino users who need reliable and efficient motor control. Supporting motor voltages from 7V to 30V and delivering up to 3A peak and 1.2A continuous current per channel, this shield is ideal for robotics, automation, DIY RC vehicles, and mechatronics projects. Its compatibility with Arduino UNO, Mega, Leonardo, Zero, 101, and other popular boards makes it a plug-and-play solution for both beginners and advanced makers searching for powerful motor-driving capabilities. Built using the DRV8871 motor driver IC, the Cytron SHIELD-3AMOTOR supports both Signed Magnitude and Locked Anti-Phase control modes via an easy DIP switch selector. Additional features such as current limit protection, stackable headers, quick-test pushbuttons, and direct connectors for the LSS05 auto-calibrating line sensor make this shield perfect for building reliable robot platforms, line-followers, and dual-motor systems. With strong motor handling and seamless Arduino integration, this Cytron shield makes high-current motor control simple, safe, and efficient. Features: Dual-channel brushed DC motor driver shield designed for full Arduino compatibility. Supports 7V–30V motor voltage, suitable for a wide range of DC motors. Handles 3A peak and 1.2A continuous current per channel, ideal for medium-power robotic applications. Built-in current limit protection for safer motor operation. Compatible with 3.3V and 5V logic input, supporting various Arduino boards. DRV8871 IC ensures smooth, efficient, and reliable motor control. Selectable control modes: Signed Magnitude and Locked Anti-Phase via DIP switches. Stackable header pins for easy integration with additional shields. Quick-test switches provided for rapid motor testing on both channels. Includes dedicated connector for Cytron LSS05 Line Sensor, ideal for line-following robots. (Note: No polarity protection for motor supply input - connect with care.)

Cytron PS2 Shield for Arduino The Cytron PS2 Shield is a compact and reliable PS2 controller interface designed for Arduino boards, making remote control projects smoother and far more intuitive. Whether you're working with an Arduino Uno, Mega, Leonardo, or other compatible boards, this shield lets you easily integrate a wired or wireless PS2 controller into your robotics, DIY RC projects, or gaming-inspired builds. With simple UART communication and a plug-and-play connector, reading joystick inputs and button states becomes effortless, even for beginners. Built with developers and hobbyists in mind, the Cytron PS2 Shield provides flexible UART selection options, stackable headers for adding more shields, and support for vibration motors on PS2 controllers. Because it draws power directly from the Arduino board, setup stays clutter-free. This PS2 Shield is perfect for anyone looking to add remote control, robotics maneuvering, or wireless navigation to their Arduino-based projects using a familiar PS2 controller format. Features: Provides an easy and reliable interface for connecting wired or wireless PS2 controllers to Arduino boards. Supports multiple Arduino models including UNO, Mega, Leonardo, and other pin-compatible variants. Simple UART-based communication allows effortless reading of joystick and button states. Integrated support for controlling the PS2 controller’s vibration motor for enhanced feedback. Stackable headers enable additional shields to be mounted above the PS2 Shield without conflict. Jumper-based selection for baud rates (9600, 57600, 115200) and configurable UART TX/RX pins. Fully powered from the Arduino main board with low current consumption. Includes status LED and reset control via Arduino A1 pin for convenient operation.

Cytron SHIELD-MD10 – 10A 7V–30V DC Motor Driver Shield for Arduino The Cytron SHIELD-MD10 is a high-performance 10A DC motor driver shield designed for Arduino and compatible development boards. Built specifically for brushed DC motors, it supports 7V–30V motor voltage and delivers up to 10A continuous current, making it ideal for robotics, automation, RC systems, DIY machines, and educational electronics. With solid-state MOSFETs and a fully NMOS H-Bridge design, the Cytron SHIELD-MD10 ensures efficient, fast, and reliable motor control without the need for a heatsink, helping creators achieve accurate speed and direction control with minimal wiring. Optimized for maximum compatibility, the shield stacks directly onto popular boards like Arduino UNO R3, Arduino Mega 2560, Maker UNO, Maker UNO Plus, Arduino Leonardo, CT-UNO, and CT-ARM. Featuring selectable digital pins for PWM and DIR, stackable headers, and regenerative braking, the Cytron SHIELD-MD10 offers unmatched flexibility for robotics and mechatronics projects. Whether you're building a DIY robot, conveyor system, or motorized prototype, this durable and high-current driver shield delivers smooth performance and long-lasting reliability. Features: Bi-directional control for one brushed DC motor with smooth speed and direction adjustment. Supports motor voltage from 7V–25V (Rev 1.0) and 7V–30V (Rev 2.0). Delivers 10A continuous and 15A peak current for high-torque applications. Uses fully solid-state components with NMOS H-Bridge for high efficiency. No heatsink required thanks to low-loss MOSFET design. Supports both 3.3V and 5V logic inputs, making it compatible with multiple controllers. Regenerative braking for safe and controlled stopping. Stackable pin headers allow adding more Arduino shields. Selectable digital pins for PWM and direction via jumpers. PWM frequency supported up to 10 kHz for fine speed control.

Cytron UNO – Arduino UNO Compatible Board with USB Micro-B The Cytron UNO is a fully Arduino UNO compatible development board built with the reliable ATmega328P microcontroller, making it ideal for beginners, students, hobbyists, and electronics enthusiasts. Designed to offer the same functionality as the Arduino UNO R3, the Cytron UNO includes 14 digital I/O pins, 6 PWM outputs, 6 analog inputs, UART, SPI, I2C, and full R3 shield compatibility. With USB Micro-B connectivity, you can easily program the board using the same cable used for Android phones and power banks - making it more convenient and cost-friendly for modern makers. Cytron further enhances the board with a stronger onboard voltage regulator, improved power handling, and repositioned LEDs on the edge for better visibility, even when a shield is attached. The CT-UNO also includes extra standard pads for custom shields, an FTDI-based USB interface for stable programming, and robust DC input support from 7V to 15V. Whether you’re building IoT prototypes, robotics, embedded systems, or learning coding fundamentals, the Cytron UNO delivers reliability, ease of use, and full compatibility with the entire Arduino ecosystem. Features Powered by SMD ATmega328P with Optiboot (UNO R3) bootloader for fast programming. USB programming enabled by stable FTDI FT231X chip for improved reliability. Supports DC 7–15V input with upgraded onboard voltage regulator for higher output current. Offers 14 digital I/O pins, including 6 PWM outputs, and 6 analog inputs for versatile projects. Fully Arduino UNO R3 shield compatible with ISP header and broken-out SDA, SCL, IOREF pins. Uses USB Micro-B socket, compatible with standard Android phone cables. LEDs relocated to board edge for clear visibility during development. Includes additional 2.54mm pads for creating custom shields. White PCB design with clean layout and Cytron build quality. Dimensions

Cytron UNO Special Edition – Arduino-Compatible Board with Side Connectors The Cytron UNO Special Edition (CT-UNO-SE) is a fully Arduino-compatible development board designed for makers, students, and hobbyists who need reliable performance for DIY electronics and robotics projects. Built around the ATmega328P microcontroller, this board offers the familiar Arduino UNO experience while adding enhanced stability with the FTDI FT231X USB-to-Serial chip, ensuring smoother programming and communication. Whether you're prototyping sensors, robotics circuits, or automation systems, this board delivers a dependable and beginner-friendly platform for all your microcontroller learning needs. What makes the CT-UNO-SE stand out is its unique side connectors, allowing it to be stacked on top of or beneath Arduino shields, giving you maximum flexibility while building layered circuits or compact embedded systems. With full Arduino UNO R3 shield compatibility, 14 digital I/O pins, 6 analog inputs, and both 5V and 3.3V regulated outputs, this special edition board combines convenience, versatility, and long-term durability - all wrapped into a sleek white PCB that makes your projects look clean and professional. Features Built with the ATmega328P microcontroller paired with the Optiboot bootloader for faster program uploads. Equipped with the FTDI FT231X USB interface, offering stable and reliable serial communication. Supports a wide DC input range of 7–15V, suitable for most maker power setups. Includes a 1A 5V regulator and 500mA 3.3V regulator for powering sensors and modules. Offers 14 digital I/O pins (6 PWM) and 6 analog inputs for versatile interfacing. Fully R3 shield compatible with special side connectors for flexible stacking. Features 32KB Flash memory, 2KB SRAM, and 1KB EEPROM for program storage. Comes with easily visible TX, RX, power, and pin-13 LEDs placed on the board edge. Utilizes a durable USB Micro-B connector on a clean white PCB. Dimensions

Official Arduino UNO Q SBC 4GB ABX00173 The Arduino UNO Q SBC 4GB ABX00173 is a powerful and humanized dual-brain development platform designed to seamlessly bridge high-performance computing with real-time control. Featuring a Linux® Debian-capable Qualcomm® Dragonwing™ QRB2210 microprocessor alongside a real-time STM32U585 microcontroller (MCU), this 4GB variant delivers enhanced memory capacity for demanding AI-driven applications. Whether you're building systems for object recognition, voice commands, motion detection, or other intelligent edge applications, the Arduino UNO Q 4GB provides the perfect balance between a full-fledged single-board computer and precise microcontroller control. It’s not just Arduino—it’s a complete innovation platform ready to power your next advanced project. This edition of Arduino UNO Q has 4 GB of RAM and 32 GB of eMMC, making it the best choice if: You plan to use UNO Q in single-board computer (SBC) mode. Your application requires numerous high-level processes to execute at the same time. You intend to use larger, more complex AI or machine learning models (such as high-resolution computer vision or advanced audio processing). You'll need enough of built-in storage for logs and data, as well as a strong development environment. The Arduino UNO Q is the ideal tool for prototyping your next robotics or IoT project because: All-in-One Toolbox: The Arduino UNO Q is a versatile tool that combines the Dragonwing™ QRB2210 microprocessor (MPU) with a real-time STM32U585 microcontroller (MCU), making it ideal for any project. AI in a blink: Discover AI-powered vision and sound solutions that respond to their surroundings. Millions of Arduino users have created libraries, sketches, and projects for the UNO ecosystem. Compatible with the Arduino UNO ecosystem: UNO Q is compatible with a wide range of Arduino hardware, including old UNO shields and new carriers, as well as Modulino® nodes and third-party modules via the Qwiic connector. Streamlined software experience: In addition to the Arduino IDE and Arduino Cloud, you can get started with a plethora of pre-built examples and AI models available through Arduino App Lab. Seamless, unified development: create classic Arduino Sketches, code in Python® using the pre-installed Linux® Debian OS, or combine the two from a single interface - easy with Arduino App Lab. What is the Arduino App Lab? Unified Developer Experience App Lab is a brand-new comprehensive development environment that unifies the journey from Linux® to real-time OS. Preloaded on the UNO Q, App Lab combines Arduino Sketches, Python® scripts, and containerized AI models to create fully integrated applications that can be administered from a single interface. Ready-to-use Apps and Bricks Get started quickly with Arduino Apps, self-contained examples that include everything you need. Add plug-and-play capabilities to your projects using pre-built Bricks to help you push your ideas even further. Pre-loaded AI models With pre-loaded AI models in Arduino App Lab, you can use real-world data for a variety of tasks, including object/human detection, anomaly detection, image categorization, sound recognition, and keyword spotting. Find out more in the official documentation . Features: Microprocessor: Qualcomm® Dragonwing™ QRB2210 Microcontroller: Real-time, low-power STM32U585 MCU RAM: 4 GB LPDDR4 Storage: 32 GB eMMC built-in (no SD card required) Connectivity: Dual-band Wi-Fi® 5 (2.4/5 GHz), Bluetooth® 5.1 High-speed headers: Power advanced peripherals – vision, audio, display Classic UNO headers: Mount shields to add capabilities LED matrix: 8 x 13 LED matrix for visual creation and feedback USB-C connector: Power delivery, video output, or connect keyboard, mouse, USB microphones or USB cameras via dongle Qwiic connector: Expand easily with Modulino® nodes – no soldering required

Official Arduino UNO Q SBC ABX00162 The Official Arduino UNO Q is a versatile single board computer designed for makers, developers, and innovators. Its hybrid architecture combines a Linux® Debian-capable Qualcomm® Dragonwing™ QRB2210 microprocessor with a real-time STM32U585 microcontroller, giving you the flexibility to run AI-powered vision and sound applications while maintaining real-time control. Fully compatible with the Arduino UNO ecosystem, it supports classic shields, Modulino® nodes, and third-party modules via the Qwiic connector. With seamless software integration through Arduino IDE, Arduino Cloud, or Python® on Linux®, plus pre-built examples and AI models available in Arduino App Lab, the UNO Q makes building advanced projects intuitive and powerful. Dual-Core Processing Power Robotics and Embedded Application Hands-On Development and Programming The Illuminated Command Center Powered by Qualcomm Dragonwing QRB2210 Your UNO Q is a compact, cost-effective platform with advanced features such as machine vision, owing to the Dragonwing QRB2210's integrated AI and GPU acceleration, quad-core 2.0 GHz CPU, Adreno GPU, 2x ISP, and support for camera, display, and audio. Features: Microprocessor: Qualcomm® Dragonwing™ QRB2210. Microcontroller: Real-time and low-power STM32U585 MCU RAM: 2 GB LPDDR4. Storage: 16 GB eMMC built-in (no SD card needed). Connectivity: options include dual-band Wi-Fi® 5 (2.4/5 GHz) and Bluetooth® 5.1 High-speed headers: Power advanced peripherals (vision, audio, display) Classic UNO headers: Mount shields to increase capabilities. LED matrix: (8 x 13) for visual creation and feedback. USB-C Connector: Power delivery, video output, or connecting a keyboard, mouse, USB microphones, or USB cameras via dongle Qwiic Connector: Modulino® nodes allow for easy expansion without the need for soldering. What is Arduino App Lab? Unified Developer Experience App Lab is a brand-new comprehensive development environment that unifies the journey from Linux® to real-time OS. Preloaded on the UNO Q, App Lab combines Arduino Sketches, Python® scripts, and containerized AI models to create fully integrated applications that can be administered from a single interface. Ready-to-use Apps and Bricks Get started quickly with Arduino Apps, self-contained examples that include everything you need. Add plug-and-play capabilities to your projects using pre-built Bricks to help you push your ideas even further. Pre-loaded AI models With pre-loaded AI models in Arduino App Lab, you can use real-world data for a variety of tasks, including object/human detection, anomaly detection, image categorization, sound recognition, and keyword spotting.

Original Arduino UNO EK (एक) R4 Minima - Made in India The Arduino Uno R4 Minima, proudly Made in India, is an innovative 32-bit microcontroller development board. Equipped with the Renesas R7FA4M1AB3CFM microcontroller and a 48 MHz Arm Cortex-M4 processor, it delivers a significant boost in memory and processing performance. With 256 kB Flash, 32 kB SRAM, and advanced features like ADC, DAC, and CAN bus, this board is perfect for a wide range of applications. Its 5V operating voltage ensures compatibility with older Arduino accessories and shields. Whether you're a beginner or a professional, the UNO R4 Minima provides easy power management and advanced communication interfaces, offering a smooth and efficient development experience. Features Microcontroller: R7FA4M1AB3CFM#AA0 Processor: 48 MHz Arm Cortex-M4 with Floating Point Unit (FPU) Operating Voltage: 5V Real-Time Clock (RTC) Memory Protection Unit (MPU) Digital-to-Analog Converter (DAC) Memory: 256 kB Flash Memory 32 kB SRAM 8 kB EEPROM (Data Memory) Pins: 14 Digital Pins (GPIO): D0-D13 6 Analog Input Pins (ADC): A0-A5 6 PWM Pins: D3, D5, D6, D9, D10, D11 Peripherals: Capacitive Touch Sensing Unit (CTSU) USB 2.0 Full-Speed Module (USBFS) Up to 14-bit ADC Up to 12-bit DAC Operational Amplifier (OPAMP) Power: Recommended Input Voltage (VIN): 6-24V Operating Voltage: 5V Barrel Jack: Connected to VIN pin Power via USB-C: 5V Schottky Diodes: Overvoltage and reverse polarity protection Communication: 1x UART: Pins D0, D1 1x SPI: Pins D10-D13, ICSP header 1x I2C: Pins A4, A5, SDA, SCL 1x CAN: Pins D4, D5 (external transceiver required)

Arduino Nano Original A000005 The Arduino Nano is a compact, open-source development board based on ATmega328P , an 8-bit AVR microcontroller . It has 14 digital I/O pins , 8 analog input pins with 10-bit resolution, 2 reset pins , and 6 power pins , making it perfect for space-constrained projects that require fewer GPIOs and memory. The Arduino Nano board operates at 5V , supports an input voltage of 6V–20V (recommended: 7V–12V ), and runs at a 16 MHz clock frequency . Unlike most Arduino boards, it uses a mini USB port and lacks a DC power jack , so it cannot be powered through an external jack. Fully breadboard-friendly , the Nano is perfect for quick prototyping. It offers flash memory of 32KB (with 2KB used by the bootloader), EEPROM of 512B/1KB , and SRAM of 1KB/2KB , depending on the microcontroller. The Arduino Nano microcontroller delivers Arduino Uno-like performance in a smaller, more project-ready form. What’s so special about Arduino Nano ? Find out! Arduino Nano Pin Diagram Pin Description Digital Pins (0–13) 14 digital I/O pins for connecting external components. Analog Pins (A0–A5) 6 analog input pins to measure voltage from 0 to 5V. LED (Pin 13) Built-in LED connected to digital pin 13. VIN External input voltage pin (6–12V recommended). 3.3V Low voltage output from the on-board regulator. 5V Regulated 5V output to power components. AREF Analog reference voltage input for analog readings. GND 2 ground pins for grounding the circuit. Reset 2 reset pins to reset the controller via software. External Interrupts Pin 2 and 3 can trigger external interrupts in emergencies. USART Rx and Tx pins for serial data communication. I2C SDA and SCL pins for I2C communication using the Wire library. SPI SS, MISO, MOSI, SCK pins used for SPI communication with peripherals. Applications: Automation. Robotics. Control Systems. Embedded Computer. Arduino Nano vs Uno Comparison Table Feature Arduino Nano Arduino UNO R3 Price (Iotcart) ?1,798 ?1,860 VIEW Microcontroller ATmega328P ATmega328P Operating Voltage 5V 5V Input Voltage 7-12V 7-12V Digital I/O Pins 14 (6 PWM) 14 (6 PWM) Analog Input Pins 8 6 Clock Speed 16 MHz 16 MHz Flash Memory 32 KB (0.5 KB used by bootloader) 32 KB (0.5 KB used by bootloader) SRAM 2 KB 2 KB EEPROM 1 KB 1 KB USB Interface Mini USB Standard USB Type-B Size Compact (approx. 45mm x 18mm) Larger (approx. 68.6mm x 53.4mm) Best for Compact projects, breadboard-friendly applications Beginners, shields, projects needing standard size Wireless Capability Needs external module (e.g., ESP8266, HC-05) Needs external module (e.g., ESP8266, HC-05) Expandable with Shields Limited due to size constraints Yes, compatible with multiple shields

Official Arduino GIGA R1 WiFi Development Board The Official Arduino GIGA R1 WiFi is a powerful development board crafted for ambitious creators—whether you're a gamer, artist, engineer, or hobbyist with a big idea and a tight budget. Built with the same form factor as the Arduino Mega and Due, this board introduces cutting-edge capabilities with accessibility in mind. At its core lies a dual-core STM32H747XI microcontroller, featuring a Cortex®-M7 running at 480 MHz and a Cortex®-M4 at 240 MHz, allowing concurrent execution of Arduino and MicroPython. Wireless connectivity is seamlessly handled by the Murata 1DX module, supporting both Wi-Fi® and Bluetooth® and offering secure communication via the onboard ATECC608A crypto chip. Staying true to Arduino’s legacy, the GIGA R1 WiFi includes 4 UARTs, 3 I2C ports, 2 SPI ports, and 1 FDCAN, along with an impressive 76 GPIO pins, accessible from beneath the board. For expandability and versatility, it features a USB-A host port, USB-C programming and power port, JTAG, a 20-pin Arducam connector, and a 3.5mm audio jack. It also includes a VRTC pin for RTC battery backup and an OFF pin for power control. With a wide input voltage range of 6–24V and enhanced connectivity options, the Arduino GIGA R1 WiFi development board is ideal for advanced IoT, robotics, multimedia, and embedded applications. Features: Dual-Core Processor – STM32H747XI with Cortex®-M7 (480 MHz) and Cortex®-M4 (240 MHz) for parallel processing. Arduino + MicroPython – Run Arduino code on one core and MicroPython on the other. Wi-Fi and Bluetooth – Integrated Murata 1DX module for wireless connectivity. Secure Communication – ATECC608A crypto chip ensures encrypted data transfer. Mega/Due Form Factor – Compatible with existing shields and enclosures. Expanded I/O – 76 GPIO pins with extra headers for additional functionality. Multiple Interfaces – Includes 4 UARTs, 3 I2C, 2 SPI, and 1 FDCAN port. USB-A Host Port – Connect USB drives, keyboards, and mice directly. USB-C Port – For programming, powering, and HID device emulation. Audio Support – 3.5mm jack connected to DAC0, DAC1, and A7. Camera Connector – 20-pin Arducam interface for camera integration. JTAG Debugging – 2x5 1.27mm JTAG connector for advanced debugging. RTC Battery Backup – VRTC pin for connecting a backup battery. Power Control – OFF pin allows external shutdown of the board. Wide Voltage Range – Operates from 6V to 24V for flexible power options. Arduino GIGA R1 Wifi Pinout Diagram:

NUCLEO-L432KC STMicroelectronics The NUCLEO-L432KC STM32 Nucleo-32 board is the ideal option for developing unique prototypes and testing out new ideas using the powerful STM32 microcontroller. It provides an inexpensive and adaptable solution to test new ideas and develop inventive prototypes. What makes the NUCLEO-L432KC stand out is its seamless integration and expandability. Because of its Arduino Nano interface, the STM32 Nucleo platform can be easily expanded to include a wide range of specialized shields. The integrated ST-LINK/V2-1 debugger and programmer eliminate the need for extra debugging tools which simplifies your workflow and increases development efficiency. The STM32L432KC board comes with a comprehensive STM32 HAL library and various software examples to kickstart your development. You'll also have direct access to ARM® mbed™ online resources. Buy NUCLEO-L432KC STMicroelectronics now and join the community of innovators at Iotcart.

Arduino UNO R3 Original The Arduino Uno R3 is a microcontroller board based on the ATmega328P chip . This board has 14 digital I/O pins (6 support PWM), 6 analog inputs , a 16 MHz crystal resonator , a USB connector, a power jack, an ICSP header, and a reset button. You may quickly charge it with a USB cable, adapter, or battery. The Uno R3 is designed for both students and enthusiasts and makes electronics and coding accessible without requiring extensive technical knowledge. This Arduino UNO microcontroller board can be programmed using the Arduino IDE , which allows users to build sketches (code) that control the board. Even if something goes wrong, simply change the chip and restart. "Uno" means "one" in Italian, and it marks the release of the Arduino IDE 1.0. It became the standard and reference model for subsequent Arduino boards. Common uses of the Arduino Uno board include home automation, industrial control, and DIY electronics projects. It can also interface with other Arduino boards or Raspberry Pi, making it a flexible choice for creators and students. Check out the original Arduino UNO R4 WiFi ! Read our blog IR sensor Arduino code for interfacing IR sensor module with Arduino. Browse the best collection of original Arduino products. Key Features ATmega328P microcontroller ensures reliable and efficient performance Includes 14 digital input/output pins, with 6 supporting PWM output Features 6 analog input pins for reading sensor or variable data Equipped with a 16 MHz ceramic resonator for stable timing Offers 32 KB flash memory (0.5 KB used by bootloader), 2 KB SRAM, and 1 KB EEPROM Can be powered via USB, DC adapter (7–12V recommended), or battery Integrated USB-to-serial communication using ATmega16U2 for easy programming Built-in resettable polyfuse provides protection against USB overcurrent Supports automatic reset for quick and easy code uploads Includes an onboard LED on digital pin 13 for basic testing Supports serial (UART), SPI, and I2C communication protocols Compatible with a wide range of Arduino shields for project expansion Easy to use, making it perfect for beginners and DIY electronics enthusiasts Arduino UNO Pin Diagram The power pins are as follows: Pin Description Vin The input voltage to the Arduino board when using an external power source (7–12V). You can supply voltage through this pin, or access it if supplying voltage via the DC power jack. 5V Outputs a regulated 5V from the onboard regulator. Power can come from the USB, DC jack, or Vin pin. Do not supply power to this pin directly , as it bypasses the regulator. 3.3V Outputs 3.3 volts generated by the onboard regulator. Maximum current draw is 50 mA. GND Ground pins used to complete the circuit. Multiple GND pins are available. IOREF Provides the voltage reference at which the microcontroller operates. Shields can use this pin to adapt to the board’s voltage (5V or 3.3V). Explore a wide range of Original Arduino Boards on Iotcart. Why Choose Arduino Uno R3? Beginner-friendly: Easy to use with a simple IDE and beginner-level coding language. Strong community support: Large global community, tutorials, and troubleshooting help available. Wide ecosystem: Compatible with various shields, sensors, and components. Affordable: Budget-friendly option for students, hobbyists, and beginners. Highly versatile: Ideal for projects from basic LED control to complex IoT systems. Reliable starting point: Best entry-level board before exploring advanced Arduino models. Open-source platform: Hardware and software are fully open-source, allowing customization and innovation. Stable performance: Offers consistent and reliable operation for long-term learning and prototyping. Arduino Nano vs Uno Comparison Table Feature Arduino UNO R3 (Original) Arduino Nano (Original) Price (Iotcart) ?1,860 ?1,798 VIEW Microcontroller ATmega328P ATmega328P Operating Voltage 5V 5V Input Voltage 7-12V 7-12V Digital I/O Pins 14 (6 PWM) 14 (6 PWM) Analog Input Pins 6 8 Clock Speed 16 MHz 16 MHz Flash Memory 32 KB (0.5 KB used by bootloader) 32 KB (0.5 KB used by bootloader) SRAM 2 KB 2 KB EEPROM 1 KB 1 KB USB Interface Standard USB Type-B Mini USB Size Larger (approx. 68.6mm x 53.4mm) Compact (approx. 45mm x 18mm) Best for Beginners, shields, projects needing standard size Compact projects, breadboard-friendly applications Wireless Capability Needs external module (e.g., ESP8266, HC-05) Needs external module (e.g., ESP8266, HC-05) Expandable with Shields Yes, compatible with multiple shields Limited due to size constraints Project Ideas with Arduino Uno R3 LED Blinking Project Temperature & Humidity Monitor Smart Home Automation Obstacle-Avoiding Robot Automatic Plant Watering System Digital Thermometer Motion Detector Alarm IoT Weather Station RFID Door Lock System Line Follower Robot Smart Parking System Bluetooth-Controlled Car Light Follower Robot Heart Rate Monitor Home Security System Know How to Install Arduino IDE on Windows, Mac & Linux - Click HERE !

Arduino Uno R3 Compatible Board The Arduino Uno R3 CH340G ATMEGA328P Development Board is more than just a microcontroller board; it's a gateway to endless possibilities in the world of electronics and programming. Beyond being a microcontroller board, we consider the Arduino UNO R3 development board the reference one. As a microcontroller, this device is finely cut and masterly designed to withstand a variety of circumstances. It typifies new age electronics no matter what you are, say, robotics, IoT, home automation, or creative automation projects; it can gravitate towards the functions that you need. The plug-and-play design, along with a user-friendly interface, makes it easy to use, even for those new to Arduino. Under the hood, it boasts an ATmega328P microcontroller with a CH340G USB-to-serial converter chip, ensuring seamless data transfers and efficient performance. You will even be surprised that this Arduino UNO development board literally speeds up your Arduino projects. Buy the Arduino Uno R3 Original with a warranty – No Clones! check out: Arduino Uno R3 compatible Board ( Pack of 25) Comparison of Arduino Uno Boards: Specification UNO Wifi UNO SMD UNO R3 Microcontroller ATmega4809 ATmega328P (SMD) ATmega328P (Through hole) USB connector Micro-USB USB-B USB-B Digital I/O Pins 14 14 14 Analog input pins 6 6 6 PWM pins 5 6 6 UART Yes Yes Yes I2C Yes Yes Yes SPI Yes Yes Yes I/O Voltage 5V 5V 5V Input voltage (nominal) 7-12V 7-12V 7-12V DC Current per I/O Pin 20mA 20 mA 20 mA Power Supply Connector Barrel Plug Barrel Plug Barrel Plug clock speed 16 MHz 16 MHz 16 MHz USB-Serial chip ATmega16U2 CH340 ATmega16U2 SRAM 6.144KB 2KB 2KB Flash Memory 48KB 32KB 32KB EEPROM 256 Bytes 1KB 1KB Dimensions 68.6 mm x 53.4 mm 68.6 mm x 53.4 mm 68.6 mm x 53.4 mm RADIO MODULE u-blox NINA-W102 - - Inertial Measurement Unit LSM6DS3TR (3D accelerometer) - - LED_BUILTIN 25 13 13 Wi-Fi Microprocessor Yes - - Read our blog smart dustbin project using Arduino detailing Arduino code for making a smart dustbin. Arduino Uno R3 (Original) vs Uno R3 Compatible Board Feature Arduino Uno R3 (Original) Uno R3 Compatible Board Microcontroller ATmega328P ATmega328 Operating Voltage 5V 5V Input Voltage (Recommended) 7–12V 7–12V Digital I/O Pins 14 (6 provide PWM output) 14 Analog Input Pins 6 6 Flash Memory 32KB (0.5KB used by bootloader) 32KB Clock Speed 16MHz 16MHz USB to Serial Converter ATmega16U2 CH340G (may vary by manufacturer) Compatibility Fully compatible with Arduino IDE and official shields Compatible with Arduino IDE and most Uno R3 shields Build Quality Premium PCB and components from Arduino Good quality, more affordable alternative Projects You Can Build with Arduino Uno R3 Compatible Board Smart Home Automation System Line Following Robot Obstacle Avoidance Robot Temperature and Humidity Monitor Bluetooth Controlled Car Motion-Activated Security Alarm Automatic Street Light System Soil Moisture-Based Irrigation System Ultrasonic Distance Measurement Device RFID-Based Door Lock System Digital Thermometer with LCD Display IoT Weather Station Smart Dustbin with Ultrasonic Sensor Home Energy Monitoring System Voice-Controlled Light using Bluetooth Applications: Arduino Music Instrument Robot Car Fingerprint door lock Home Automation Security systems

Due AT91SAM3X8E ARM Cortex-M3 The Due is a microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3 CPU. The Due Arduino AT91SAM3X8E ARM Cortex-M3 Board is the first Arduino board based on a 32-bit ARM core microcontroller. It has 54 digital input/output pins (of which 12 can be used as PWM outputs), 12 analog inputs, 4 UARTs (hardware serial ports), an 84 MHz clock, an USB OTG capable connection, 2 DAC (digital to analog), 2 TWI, a power jack, an SPI header, a JTAG header, a reset button and an erase button. Key Features: The board contains everything needed to support the microcontroller; simply connect it to a computer with a micro-USB cable or power it with an AC-to-DC adapter or battery to get started. The Due is compatible with all Arduino shields that work at 3.3V and are compliant with the 1.0 Arduino pinout. The SAM3X has 512KB (2 blocks of 256KB) of flash memory for storing code. The bootloader is pre-burned in a factory from Atmel and is stored in a dedicated ROM memory. The available SRAM is 96KB in two contiguous banks of 64KB and 32KB. All the available memory (Flash, RAM, and ROM) can be accessed directly as a flat addressing space. It is possible to erase the Flash memory of the SAM3X with the onboard erase button. This will remove the currently loaded sketch from the MCU. To erase, press and hold the Erase button for a few seconds while the board is powered. Due follows the 1.0 pinout: TWI: SDA and SCL pins that are near to the AREF pin. The IOREF pin which allows an attached shield with the proper configuration to adapt to the voltage provided by the board. This enables shield compatibility with a 3.3V board like the Due and AVR-based boards which operate at 5V. An unconnected pin, reserved for future use Note: Unlike other Arduino boards, the Due board runs at 3.3V. The maximum voltage that the I/O pins can tolerate is 3.3V. Providing higher voltages, like 5V to an I/O pin could damage the board.

Cypress Semicondictor CY8CKIT- 048 Analog Coprocessor Pioneer Kit Guide The PSoC ® Analog Coprocessor combines flexible Analog Front Ends, programmable Analog Filters, and high-resolution Analog-to-Digital converters along with an efficient-yet-powerful ARM ® Cortex ® -M0+ signal processing engine - enabling host processors to easily fetch aggregated, pre-processed and formatted complex sensor data over serial communication interfaces. Sense Anything Includes five onboard sensors along with PSoC ® Creator code examples - one analog sensor for each type of fundamental electrical quantity: Voltage-based PIR Motion Sensor (Zilog ZRE200GE) Current-based Ambient Light Sensor (Vishay TEMD6200FX01) Resistance-based Temperature Sensor (EPCOS/TDK B57164K103J) Inductance-based Proximity/Contact sensor Capacitance-based Humidity sensor (TE HPP801A031) Flexible Prototyping Form-factor compatible with Arduino Uno - Can interface with shields, or be used as a shield for any host processor board Includes on-board KitProg2 programmer and debugger with ARM® CMSIS-DAP Features: Onboard Sensors: Includes five sensors for various applications. RGB LED: Features an RGB LED for visual feedback. Push-Button Switches: Comes with two push-button switches for user input. Programmer/Debugger: Includes an onboard programmer/debugger (KitProg2) for easy programming and debugging. USB-UART/I2C Bridge: Provides USB-UART and I2C bridge functionality. Operating Voltages: Supports multiple operating voltages (1.8V, 3.0V, 3.3V, and 5V). F-RAM: Equipped with Cypress F-RAM for non-volatile memory storage. Arduino Compatibility: Offers footprint compatibility with Arduino shields and baseboards. Power Sources: Can be powered via USB, coin cell, or an external power supply. Status LEDs: Includes a power LED and three status LEDs for monitoring. Applications: Sensor Interfacing: Ideal for interfacing with various sensors, such as humidity, temperature, and light. Analog Signal Processing: Used for processing analog signals in applications like signal conditioning and filtering. Prototyping Analog Systems: Great for prototyping and developing analog and mixed-signal systems. Educational Projects: Useful in educational settings for teaching and learning about analog and digital electronics. IoT Applications: Can be used in Internet of Things (IoT) projects for sensor data acquisition and processing. Home Automation: Suitable for home automation projects involving sensor-based control systems. Wearable Devices: Can be used in the development of wearable devices that require analog signal processing