Arduino UNO Mini (Limited Edition)

Cytron Maker UNO X – Arduino Compatible Development Board for Classroom The Cytron Maker UNO X is a beginner-friendly, classroom-ready Arduino-compatible development board designed to simplify STEM education. Equipped with built-in LEDs on every digital pin, a programmable push button, a piezo buzzer, and a powerbank-friendly design, it eliminates messy wiring and allows students to start coding instantly. This board is ideal for Arduino beginners, school STEM labs, coding clubs, training centers, and anyone learning microcontroller basics. With plug-and-play functionality and seamless compatibility with Arduino IDE, it delivers a smooth learning experience for educators and students alike. Created with the needs of teachers in mind, the Cytron Maker UNO X features an onboard half-size breadboard and perfboard for quick prototyping, making it easy to build hands-on electronics projects right out of the box. Powered by the ATmega328P, and complete with essential interfaces like UART, SPI, I2C, PWM pins, and analog inputs, this board is perfect for exploring coding, electronics, and robotics in a structured classroom setup. Whether for STEM workshops, school projects, or Arduino training programs, Maker UNO X provides an engaging, frustration-free learning experience. Features: Fully Arduino UNO-compatible board designed specially for classrooms and STEM beginners. Built-in LED indicators on every digital pin, allowing students to visualize code output instantly without wiring. Includes piezo buzzer, programmable push button, and powerbank-friendly operation for portable projects. Comes with an onboard perfboard prototyping area and a half-size breadboard to simplify hands-on experiments. Powered by the reliable ATmega328P microcontroller with 16MHz clock speed and full support in Arduino IDE. Offers 20 digital I/O pins, 6 PWM pins, 6 analog inputs, and communication interfaces (UART, SPI, I2C). Features 32KB Flash, 2KB SRAM, 1KB EEPROM, making it ideal for beginner programming and small-scale electronics projects. Uses a USB Micro-B interface with CH9340 USB-UART chip (note: not supported on Windows 7). Designed by Cytron to support educators - ensures faster learning with fewer wiring issues and more hands-on coding.

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.

7Semi BMP581 High-Precision Barometric Pressure & Altitude Sensor Breakout The 7Semi BMP581 Barometric Pressure & Altitude Sensor Breakout is engineered for projects that demand highly accurate atmospheric pressure and altitude data. Built on Bosch’s advanced sensing technology, this compact module delivers exceptional precision with ±30 Pa absolute accuracy and ±6 Pa relative accuracy, translating to altitude precision as fine as ±0.5 meters. Its ability to operate across a wide 300–1250 hPa pressure range makes it ideal for applications like weather stations, environmental monitoring, and UAV altitude tracking. Designed for effortless integration, the BMP581 supports I2C, I3C, and SPI interfaces, making it compatible with a wide range of development boards and embedded systems. The Qwiic connector ensures solder-free wiring, while the low-power operation makes it suitable for portable and battery-powered devices. Whether you're building an IoT sensor node, a smart altimeter, or barometric logging system, this breakout brings reliable performance, high sensitivity, and fast data rates, perfect for altitude measurement and barometric pressure sensing projects. Features: Provides high-precision barometric readings with ±30 Pa absolute accuracy and ±6 Pa relative accuracy for reliable altitude measurement. Offers extremely fine resolution down to 1/64 Pa, ensuring smooth and accurate environmental data output. Includes Qwiic Connect support for solder-free I2C connectivity along with 0.1" header pins for SPI or wired I2C connections. Operates with ultra-low power consumption, only 1.5 µA in deep standby and 260 µA during active measurements. Covers a wide pressure sensing range from 30 to 125 kPa with high output data rates up to 622 Hz for real-time applications. Provides flexible configuration options, including adjustable oversampling, FIFO buffer, and low-pass filtering for optimized performance. Features 6 bytes of onboard non-volatile memory for storing user-specific calibration or configuration data.

7Semi Compact FT232 USB-C UART (TTL) Communication Module The 7Semi Compact FT232 USB-C UART (TTL) Communication Module is a reliable and easy-to-use USB UART Module designed for stable USB-to-TTL serial communication. Powered by the FT232RNL chip, it ensures accurate data transfer between USB ports and microcontrollers, development boards, or embedded systems. With support for both 5V and 3.3V logic levels, this USB UART Module adapts easily to different hardware requirements. Its USB Type-C interface enhances durability and connectivity, while the onboard TX and RX LEDs provide clear visual feedback during data transmission, making it ideal for debugging, programming, and serial communication applications. Features: Time-saving: With quick setup and straightforward use, you can focus on your job rather than connectivity issues. Wide Application: It is compatible with a wide range of TTL devices, making it suitable for a variety of projects. Project tracking allows you to easily monitor data flow and ensure that everything goes properly. Adaptable: The flexible power and logic levels accommodate a wide range of development situations. FT232 devices provide two driver options: VCP (Virtual COM Port): Ideal for simple projects in which you want your device to behave like a conventional serial device. D2XX: Provides greater control and flexibility, but requires programming using API functions. Select this if you require advanced functionality.

Cytron Maker UNO Plus – Arduino-Compatible Educational Board The Cytron Maker UNO Plus is a beginner-friendly, Arduino-compatible development board designed to simplify electronics and coding for students, educators, and STEM hobbyists. With onboard LEDs, a built-in piezo buzzer, a programmable pushbutton, and upgraded components, this board removes wiring complexity allowing learners to focus on coding, debugging, and hands-on exploration. Whether used for school projects, robotics, or microcontroller education, the Cytron Maker UNO Plus ensures a smooth and frustration-free learning experience. Thanks to its pre-labeled pin headers, Micro USB connectivity, and fully Arduino-compatible architecture, setup becomes effortless for new users. Students can instantly code and visualize real-time pin activity through indicator LEDs, making debugging easier and more intuitive. The Cytron Maker UNO Plus is ideal for classroom teaching, STEM labs, maker workshops, and hobby projects, helping learners jump straight into creating fun electronics projects like light sequences, melodies, and interactive displays. Features: Fully compatible with Arduino ecosystem, sharing all libraries and example codes. Integrated 12× onboard LEDs for simplified debugging and visual learning. Built-in piezo buzzer and programmable pushbutton for interactive projects without extra wiring. Upgraded 3.3V line provides 500mA output to support more sensors and modules. Micro USB interface replaces bulky USB Type-B for universal connectivity. Uses FT231X USB-to-Serial converter for easier and more reliable driver installation. Includes pin-header label stickers for effortless classroom identification. CE, FCC & RoHS compliant - safe, environmentally friendly, and education-ready. Students can write their names directly on the board to avoid mix-ups.

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 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.

7Semi 5A Analog INA169 DC Current Sensor Breakout The 7Semi 5A Analog INA169 DC Current Sensor Breakout is a precision Analog DC current sensor designed for accurate current monitoring in electronic circuits. Powered by the trusted INA169 chip, it delivers consistent current readings up to 5A across a wide input range of 2.7V to 60V. Its low offset voltage and minimal quiescent current ensure reliable measurements, while adjustable gain and overcurrent protection add versatility for various applications. Compact and easy to integrate with microcontroller-based systems, this INA169 current sensor is perfect for IoT projects, battery management, power monitoring, and smart energy solutions, providing dependable performance for both hobbyists and professional engineers. Features: Wide Voltage Range Compatibility: Operates efficiently between 2.7V and 60V, making it suitable for both low and high-voltage applications. High-Side Current measuring: Enables unipolar high-side current measuring for safer and more accurate readings. Customizable Gain Control: Easily alter output sensitivity with a single resistor to meet your individual application requirements. Built-in Signal Amplifier: Provides clean and amplified output signals for accurate ADC conversion. Overcurrent detection protects connected components by detecting and responding to excessive current. Low Quiescent Current: Consumes only 60 µA, making it ideal for energy-sensitive projects. Microcontroller-Friendly: Fully compatible with Arduino, ESP32, STM32, Raspberry Pi, and other development boards. Compact Design: Small form factor excellent for embedded system integration and space constraints. Connection Diagram with Arduino:

Cytron URC10 Sumo Robot Controller R1.1 Arduino-Compatible Motor Driver Board The Cytron URC10 Sumo Robot Controller R1.1 is a powerful all-in-one robotics control board designed specifically for competitive sumo robot building. It combines an Arduino-compatible ATmega328P microcontroller, a dual 10A motor driver, and dedicated interfaces for ultrasonic, digital, and analog sensors - making it one of the most efficient and beginner-friendly solutions for robot builders. With support for 8V–25V DC motors, 30A peak current, and high-frequency PWM control, this controller ensures strong pushing power and fast maneuverability for 3kg sumo robot competitions. Cytron engineered the URC10 to simplify robot development by integrating essential hardware like built-in test buttons, motor output LEDs, onboard 5V/3.3V regulators, and a Micro-USB interface for programming. Whether you're designing autonomous systems, competitive sumo robots, or experimenting with robotics, the Cytron URC10 offers reliable performance, stable motor control, and easy sensor expansion for both beginners and advanced makers. Features: Designed specifically for up to 3kg sumo robot applications. Built around the Arduino-compatible ATmega328P microcontroller with Optiboot Bootloader. Integrated dual 10A continuous motor driver (30A peak per channel) for high-power brushed DC motors. Supports 8V–25V motor voltage for a wide range of robot motors. Features current limiting at 30A per channel for safe operation under heavy loads. Includes motor test buttons for quick verification without uploading code. Motor output status LEDs for easier debugging and inspection. Compatible with sign-magnitude and locked-antiphase PWM, supporting up to 20kHz frequency. Onboard 5V, 1A regulator and 3.3V, 500mA regulator for powering sensors and modules. Dedicated pins for motors, ultrasonic sensors, digital I/O, and analog sensors. Includes USB Micro-B + CH340 USB-serial system for easy programming upload. Provides 1× I2C port for additional modules. Compact design with dimensions 75.57mm × 99.7mm. Note: Reverse polarity protection is not included.

Cytron CM4 Maker Board for Raspberry Pi The Cytron CM4 Maker Board is a powerful and reliable development board built around the Raspberry Pi Compute Module 4 (CM4), designed specifically for Pro Makers, hardware hobbyists, educators, and embedded developers. With its wide input voltage range, convenient power button, and multiple boot options - including microSD, NVMe SSD, and CM4 eMMC, this Cytron board gives makers complete flexibility in how they build, experiment, and deploy their Raspberry Pi projects. It also retains essential interfaces like Gigabit Ethernet, USB 2.0 ports, HDMI, CSI, and DSI, ensuring compatibility with Raspberry Pi HATs and common accessories. Cytron enhances the standard CM4 experience by adding practical maker-friendly features such as on-board RTC (PCF85063A), Grove ports, Maker Port, 10 GPIO status LEDs, a piezo buzzer with mute switch, and dedicated push buttons. Whether you are creating IoT prototypes, robotics systems, dashboards, or long-running automation projects, the Cytron CM4 Maker Board offers stability, bigger storage options, real-time clock capability, and the expandability required for advanced Raspberry Pi development. Features: The Cytron CM4 Maker Board supports a wide input voltage range through a 7–18V DC jack or 5V USB-C, making it adaptable for various maker setups. Cytron includes a convenient hardware power button, allowing safe shutdown and easy startup without needing terminal commands. The board supports multiple boot sources, including microSD, NVMe SSD (2230/2242), and onboard eMMC on CM4 for faster and more reliable storage. Includes all essential Raspberry Pi features like Gigabit Ethernet, 4× USB 2.0 ports, HDMI, CSI camera port, DSI display port, and 3.5mm audio out. Equipped with PCF85063A RTC, enabling real-time clock functionality even without an internet connection. Cytron adds maker-focused extras such as Grove ports, Maker Port, 10 GPIO LEDs, piezo buzzer, and push buttons for quick prototyping. Pinout Diagram:

SmartElex CP2102 Type C, USB To UART (TTL) Communication Module The SmartElex CP2102 module is a compact and reliable communication module designed to convert USB-C signals into UART (TTL) serial communication. It helps users easily connect microcontrollers and development boards to a computer for programming, debugging, and serial monitoring, removing the need for complex interfaces. This module is well suited for students, makers, educators, engineers, and startups who need a dependable USB to serial solution for everyday electronics work. This USB to UART TTL converter module works smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, making it useful for robotics, IoT development, automation systems, and rapid prototyping. Its plug-and-play USB-C design allows quick setup and stable data communication, saving time during development and testing. Whether used for firmware upload, device configuration, or serial communication, this module offers reliable performance and easy integration for practical embedded projects. Applications: Programming and debugging microcontrollers Serial communication with embedded systems USB to TTL conversion for compatible devices Data logging, testing, and monitoring tasks Cautions: Ensure the correct voltage is selected using the onboard jumper to avoid damage Designed only for TTL-level signals; do not connect directly to RS232 interfaces Avoid exposure to moisture and protect the module from static discharge Features: USB-C to UART (TTL) communication module for serial interfacing Based on CP2102 chipset for stable and reliable data transfer Plug-and-play design for quick setup with a computer Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Ideal for programming, debugging, and serial monitoring tasks Suitable for robotics, IoT, automation, and DIY electronics projects

7Semi DC-DC Buck Converter 5V 3A Out - MP2338 (BO-10182) The 7Semi DC-DC Buck Converter 5V 3A Out – MP2338 (BO-10182) is a compact power module designed to step down higher DC voltages to a stable 5V output with up to 3A current. It provides reliable and efficient power for electronics that require a steady 5V supply, such as microcontrollers, sensors, and development boards. Built around the MP2338 step-down converter, this module offers high efficiency and stable performance while minimizing heat and power loss. It supports a wide input voltage range and includes built-in protection features for safe operation. Whether you’re working on embedded systems, IoT devices, or custom electronics projects, this buck converter makes power management simple and dependable. Features: Boosts power efficiency with a high-performance MP2338 buck converter Provides a stable 5V output at up to 3A for reliable powering Wide input voltage range, compatible with various DC sources Compact breakout module for easy PCB or project integration Built-in protection features for safe and stable operation Ideal for microcontrollers, sensors, IoT boards, and embedded systems

SmartElex HTU21D-F Temperature and Humidity Sensor with Breakout Board The SmartElex HTU21D-F Temperature and Humidity Sensor with Breakout Board is a compact and reliable temperature and humidity sensor designed for accurate environmental monitoring. It helps users measure ambient temperature and humidity digitally with stable output, making it suitable for students, makers, educators, and engineers working on sensing and monitoring applications. This digital temperature and humidity sensor is ideal for those who want dependable readings without complex circuitry, especially in learning, testing, and early product development environments. This I2C digital humidity sensor is widely used in IoT systems, weather monitoring projects, automation setups, and data logging applications where consistent environmental data is required. It integrates easily with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick setup and smooth communication through the I2C interface. With its breakout board design and reliable performance, the SmartElex HTU21D-F sensor is well suited for prototyping, robotics projects, and educational labs looking for a practical alternative to traditional sensors like SHT15 breakout boards. Features: Digital temperature and humidity sensor with stable and accurate readings I2C interface for simple and reliable data communication Compact breakout board for quick prototyping and testing Easy to use with Arduino, Raspberry Pi, and ESP32 platforms Suitable for IoT, automation, and environmental monitoring projects Ideal replacement option for older sensors like SHT15 breakout boards

7Semi MCP23017 I2C to 16 IO Expander Breakout Board The 7Semi MCP23017 I2C to 16 IO Expander Breakout Board is designed to expand the digital I/O capability of microcontrollers using the trusted MCP23017 I2C IO Expander IC. It provides exactly 16 configurable GPIO pins over a single I2C bus, reducing wiring complexity while maintaining stable performance. Each pin can be independently set as input or output, and the onboard interrupt feature allows the controller to respond instantly to pin state changes. This MCP23017 Breakout Board is compact, easy to integrate, and ideal for applications such as home automation, robotics, industrial control panels, and any project that requires multiple digital inputs and outputs without consuming extra microcontroller pins. Features: 16 I/O Pins: Converts two signal pins into sixteen completely customizable I/O pins. Multi-board Expansion: For larger applications, stack up to 8 boards to provide up to 128 I/O pins. Configure I2C addresses by setting the A0, A1, and A2 jumpers. Dual Connectivity: Includes PH2.0 terminal and solder pad choices for simple connection. Wide Compatibility: Compatible with both 3.3V and 5V systems, ensuring platform versatility. Interrupt Support: The INTA and INTB interrupt pins are used for real-time signal handling. Development Resources: Includes detailed instructions and sample projects for Raspberry Pi, Arduino, STM32, and micro. Easy Integration: The I2C interface, combined with a 4Pin 2.0 mm JST connector, provides for an easy and flexible connection to any MCU.

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