ESP8266 Serial wifi Expansion Board Module for Arduino UNO The ESP8266 Serial WiFi Expansion Board Module is nothing but the ESP8266 ESP-12E UART Wireless WIFI Shield TTL Converter (Shield WiFi ESP8266) makes it easy to connect the Arduino to WiFi networks through the ESP8266. When using it, it is no longer necessary to mount a circuit with several components and wires to interconnect an ESP8266 to the Arduino, simply attach the board to the Arduino, position the DIP switch path according to the shield operating mode and program the Arduino to connect to WiFi networks. In addition, the board can be used without the Arduino, as it has all the pin-outs of the ESP -12E available. check out : Arduino Uno CC3000 Wifi Shield

ESP32 CP2102 Wireless Development Board D1 LOLIN32 The D1 LOLIN32 ESP32 CP2102 Wireless Development Board is a small yet powerful device that improves the adaptability and effectiveness of your Internet of Things projects. Based on the reliable ESP-32 chip, this board has 4MB of flash memory, built-in WiFi, and Bluetooth, providing you with all the connections you require straight out of the box. The integrated lithium battery interface of the LoLin32 is one of its most notable features. A LiPo battery can be connected directly and charged on the board, with a 500mA maximum charge current. Now, you’ll notice this board has a streamlined design. The manufacturer removes a few pins to make it lighter, but don’t worry—you still have access to all 21 I/O pins. The number of GND and 3V3 pins is reduced, but you’ll still have everything you need for most projects. The JST connector for the battery is strategically placed next to the USB port, which is your go-to for programming (whether you’re using Arduino, Lua, or MicroPython) and charging. The status LED and reset button have been thoughtfully relocated between the USB and battery connectors. This board is engineered for those who need reliability, power, and convenience in one compact package.

Desoldering Pump This Black Aluminium Body Desoldering Pump is an economical and durable full Aluminium metal body desoldering pump with a heat-resistant replaceable silicone tip. This quality product has exceptional desoldering ability due to strong suction and durable build. Made from high grade aluminum for light weight and airtight function, the mechanism is simply a piston which sucks air and solder from the tip at the press of a button.

3V 2000RPM High Speed DC Toy Motor This 3V 2000RPM High Speed DC Toy Motor can be used in a variety of DIY projects or small toys. This motor can be powered by two AA batteries or a 5V USB power supply and has an operating voltage range of 3V-6V. These are standard '130 size' DC hobby motors. If you want to use this dc toy motor in your DIY project, for that you will need few essential components like batteries , switches , soldering tools , wires and glue gun . Note: The color of the item may differ from what is shown in the image. Applications: Tools Toys Mini Fan Projects DIY projects Also check High Speed DC Toy Motor with Fan (2pcs) available on Iotcart. It is a kit containing two mini-sized DC motors of the standard 130 type, suitable for small toy cars and robots. The motors operate on a 3V DC voltage and can be powered by two AA batteries or a 5V USB power supply, with an operating voltage range of 3V-6V.

12V 6 RPM Center Shaft DC Gear Motor The 12V 6 RPM Center Shaft DC Gear Motor is a high-quality, low-cost solution perfect for robotics enthusiasts and DIY makers. As a low RPM DC motor, it delivers high torque at low speeds, making it ideal for precise movement in robotic applications. The center shaft comes with a nut and thread design, allowing effortless mounting to chassis or fixtures, while the internal threaded hole offers a convenient way to attach wheels directly. This 12V DC gear motor is compatible with popular motor drivers like the L298N H-bridge module, which supports a wide voltage range of 5V to 35V. Whether you’re building a line-following robot or an automation project, this motor provides a reliable and affordable choice for controlled, low-speed motion. Features: Simple to mount and operate, All RPMs have the same size. Many different RPMs are available. Extended durability incredibly reasonably priced for the characteristics. You have a lot of options for wheels and chassis.

3.5in TFT LCD Shield for Arduino The 3.5" TFT LCD Display Shield for Arduino has been fully assembled, tested, and is ready to use. Install the TFT display without any wiring or soldering! Simply plug it in and load a library; you'll be up and running in less than 10 minutes! It works best with any traditional Arduino ATMEGA328 board. So add a beautiful display shield with a built-in microSD card connection to your Arduino project. This TFT LCD is large (3.5?? diagonal), bright (4 white LED backlights), and colorful (262,000 different shades)! The TFT display has 480x320 pixels and individual pixel control. It has a significantly higher resolution than a black and white 128x64 display. Check out Best 3.5-inch Touch Screen for Raspberry Pi Precautions while using the 3.5in TFT LCD Display Shield The control and driving circuit of this display module is low voltage and the FRIDA micro-power CMOS circuit, can be easily damaged by static, static damage is irreparable damage, and sometimes humans have hundreds of volts of high voltage static electricity, therefore, in handling, assembling and use should be extremely careful to prevent static electricity: Using soldering iron or power FRIDA tools must be well grounded and operate, make them without leakage. Do not use your hand to touch the leads, circuit boards and metal boxes. Do not use a vacuum cleaner for cleaning, because it generates strong static electricity; When the air is dry, can also generate static electricity, therefore, workshop humidity shall be above RH60%. If it is necessary to direct contact it , should enable the human body in the same potential with the modules? ,or make human body be well grounded. Remove or back in the bags or move locations, also need to be careful to prevent static electricity. Don't replace or discard the original packing. Electrostatic damage or man-made damage is not within the scope of the warranty. Features: Arduino 3.5" diagonal TFT LCD Display Shield. Fully assembled, tested, and operational. Installation doesn't involve any wiring or soldering. Optimally functions with conventional Arduino ATMEGA328 boards. Has an integrated microSD card slot. Big display with a diagonal dimension of 3.5". Four white LED backlights make it bright. Vibrant with 262,000 distinct tones. 480x320 pixels at a high resolution with individual pixel control. Supports Arduino compatible boards, PIC, STM32, and AVR boards. Applications: DIY projects that require visual displays. Arduino-compatible gadgets and devices. Embedded systems. Prototyping User Interfaces. Creating Interactive Artworks. Educational presentations and experiments. Data-logging and visualization projects. Environmental monitoring systems. Games and entertainment apps. Displays used for industrial control and automation. Interfacing 3.5 INCH TFT Display Shield with Arduino

Dronacharya Vikas R&D DIY RC Drone Kit for Engineering Students and Researchers The Dronacharya Vikas R&D DIY RC Drone Kit is a comprehensive and versatile drone assembly kit designed to empower students, educators, and innovators in exploring UAV technology. Whether you are working on academic projects, developing prototypes, or researching autonomous systems, this DIY drone kit offers an immersive hands-on experience in drone integration, control mechanisms, and sensor applications. As a complete RC drone kit, it enables users to gain practical knowledge while fostering innovation in aerial robotics and research-based applications. Seamless integration & Open Source Suitable for smooth physical and logical integration of add-ons and payloads. (SRS) Steady, Robust, Safe Suitable for novice pilots and expert R&D projects. Swift & Easy, Assembly & Maintenance A well-designed drone decreases complexity across its entire lifecycle, from setup to operation. Features: Pixhawk-based Flight Controller for accurate navigation and autonomous control Supports the UART, I2C, and MAVLink protocols for smooth communication. ROS 2 and Simulation Software Suitable for cutting-edge autonomy research. Sensor Integration: Ultrasonic, LiDAR, GPS, IMU Ground Control Software: Supports Mission Planner and QGroundControl (QGCS). Modular design with customizable payloads and drone configurations. Introducing Dronacharya Vikas R&D DIY RC Drone Kit Applications: Engineering students and researchers. UAV development and autonomous system testing. STEM Education and Drone-Based Learning Environments This Kit Includes: 1 x Flight Controller: Radiolink MiniPix A compact and cost-effective flight controller based on the Pixhawk architecture, ideal for research and educational drones. Technical Specifications: Processor: STM32F427 32-bit ARM Cortex M4 core with FPU IMU: MPU6500 accelerometer/gyroscope Barometer: MS5611 Magnetometer: External required (GPS unit supports this) Input Voltage: 4.8V – 5.5V Communication Interfaces: 1 x UART (telemetry), 1 x USB, I2C, PPM, SBUS, PWM output Firmware: Supports PX4 and ArduPilot Weight: ~15g Form Factor: Compact and lightweight, ideal for small drones 1 x GPS Module: Radiolink TS100 High-performance GNSS module with integrated compass for accurate global positioning and navigation.. Technical Specifications: GNSS Systems: GPS, GLONASS, Beidou Positioning Accuracy: ±2.5 meters (horizontal) Refresh Rate: 10 Hz Compass: Built-in digital compass (HMC5883L) Communication: UART and I2C Operating Voltage: 5V DC Antenna: Ceramic active antenna LED Indicator: Satellite fix status Weight: ~20g Mounting: Includes anti-vibration mount and cable 4 x Brushless Motors: 920KV 2212 (2 CW + 2 CCW) KV Rating: 920KV Configuration: 14 Poles / 12 Slots Max Current: ~15-18A Mounting Hole Distance: 16mm x 19mm Propeller Compatibility: 8”–10” props Shaft Diameter: 3.17mm Weight: ~55g each 4 x Electronic Speed Controllers: Hobbyking 20A ESC (Custom Vikas Connectors) Max Current: 20A continuous, 25A burst (10s) BEC Output: 5V / 2A Linear Firmware: Custom firmware compatible with SimonK/BLHeli Connector: Proprietary Vikas plug-in system for easy swaps 4 x Motor Mounts (Molded Plastic Shells) Custom-designed heavy-duty motor mounts made from durable molded plastic Withstand vibration and mechanical stress Allow for fast, tool-less replacements 8 x Arm Bases (Custom Vikas Shell) Precision-molded hard plastic that securely holds the frame together Designed to fit modular carbon arms and ensure easy maintenance 4 x Carbon Fiber Arms (Custom-Made for Vikas) Lightweight yet highly rigid Designed for modular swapping and high endurance Mounting compatible with Vikas motor mounts and bases 4 x Carbon Fiber Landing Poles Shock-absorbing landing gear Carbon fiber structure ensures durability during repeated takeoffs/landings 1 x Top Plate (Universal Integration Platform) Designed for wide compatibility with various drone components Supports multiple battery sizes and payloads CNC-cut for precision and flexibility in mounting 1 x Bottom PCB (Proprietary R&D Enabler) Designed specifically for R&D and prototyping Integrated voltage rails: 5V, 3.3V, and 12V outputs Power distribution for ESCs, sensors, onboard computers (Raspberry Pi, Jetson Nano, etc.) Solder pads and headers for custom circuit integration 1 x 2200 mAh Li-Po Battery Voltage: 11.1V (3S) Capacity: 2200 mAh Discharge Rate: 25C – 35C Connector: XT60 1 x Li-Po Balance Charger Supports 2S–3S Li-Po batteries LED indicators for cell balance and charging completion Over-voltage and over-current protection 1 x Set of Consumables Zip ties, double-sided tape, Velcro straps For cable management and secure mounting 1 x Fasteners Kit for Vikas Screws, bolts, and nuts compatible with all parts of the Vikas drone Stainless steel and anodized aluminum mix 1 x 2.5mm Allen Key Provided for assembly and maintenance 1 x Set of Silicon Landing Caps Soft end caps for landing poles Reduces vibration and wear during landings 1 x Propeller Set (CW & CCW) 2 x Clockwise and 2 x Counterclockwise Balanced for smooth flight and efficient thrust

0.91 inch Blue OLED Display Module This 0.91 inch Blue OLED Display Module has a resolution of 128x32 pixels. They are much thinner than LCD displays with good brightness and produce more accurate and true colors. This OLED Display Module is very compact and will enhance your Arduino project's user interface experience. This is an I2C OLED display, The I2C (also known as IIC) serial interface is used to connect this display to Arduino. OLEDs are the future of displays because they have some of the most significant advantages over both conventional display technologies, LCDs and LEDs. The most appealing aspect of using OLED displays is that they do not require a backlight like conventional LCD/LED screens. Electroluminescence (EL) is a property of organic materials that causes them to "glow" when stimulated by a current or an electric field. The most energy-efficient displays ever!!! When powered by a DC 2.8V supply, the 0.91 inch 128x32 Blue OLED Display Module produces White text on a Blue background with excellent contrast. The OLED Display Modules have a very wide viewing angle as well. If you want to use this OLED display module in your Arduino project, for that you will need few essential components like Jumper wires Breadboard Batteries or power supply Pin Description: GND: Power ground VCC: Power positive SCL: Clock Line SDA: Data Line Features: No need of the backlight The display is self-illuminating Power requirement is low They are offering the large viewing angle Better performance characteristics than traditional LCD and LED displays. Check out our wide range of collection of OLED display modules which are reliable, durable, and top-performing displays every time.

3.7V Coreless Motor With Propeller (7x16) Enhance your drone hobby with the Projectneed 3.7V 48000 RPM Magnetic Micro Coreless Motor with Propeller. Perfect for beginners and hobbyists, this motor offers high-speed performance, low noise operation, and a durable propeller design. Made with efficient coreless technology, it's suitable for various projects, ensuring versatility in your drone endeavors. The 1S battery support and plug-n-play setup make it a must-have for drone enthusiasts. Elevate your multirotor designs with this reliable and affordable motor. Project needs ensures quality and durability. The coreless motor's efficient design, combined with the durable propeller, provides a unique solution for small drone projects. Ideal for those seeking high-speed performance and versatility. Features: Coreless motor is a high-speed and low-torque motor. Operates with less noise. Offers low resistance. Equipped with high-quality magnets. This coreless motor supports 1S battery. Applications: Small Drones: Due to its high-speed performance and lightweight design, this motor is ideal for building small quadcopters or other multirotor drones. Model Airplanes: It can power lightweight model airplanes, providing the necessary thrust for flight. Radio-Controlled (RC) Projects: This motor and propeller combination can be used in various RC vehicles or craft that require lightweight propulsion. Hobbyist Projects and Experiments: The easy setup and affordable price make it a great option for hobbyists exploring electronics and small-scale flight projects.

SmartElex IIC/I2C Serial Interface Adapter Module – LCD Display Interface Converter Board The SmartElex Serial Interface Adapter Module is a compact and efficient board designed to simplify the connection between your Arduino or microcontroller and an LCD display. Instead of using multiple pins for data, this adapter lets you send commands using just two lines - SDA and SCL - through the I2C communication protocol. This I2C Serial LCD Daughter Board helps convert serial data into parallel data, allowing your LCD display to work with minimal wiring. It’s perfect for 16x2 and 20x4 character LCDs, making it easier to create clean and space-saving circuit designs. Ideal for DIY electronics, IoT prototypes, and Arduino projects, this I2C serial data to parallel data for the LCD display module saves time, reduces wiring clutter, and improves project efficiency. Whether you’re a beginner or an experienced maker, it’s a must-have for smooth LCD interfacing. Features: Easy LCD Connectivity: Converts I2C serial data to parallel data for the LCD display, reducing wiring complexity. Supports Multiple Displays: Compatible with 16x2 and 20x4 character LCD modules, commonly used in Arduino projects. Saves I/O Pins: Uses only two communication lines (SDA & SCL) instead of several data pins. Adjustable Display Contrast: Comes with a built-in potentiometer for easy brightness and contrast control. Plug-and-Play Design: Works smoothly with Arduino, ESP32, Raspberry Pi, and other microcontrollers. Compact & Efficient: The small I2C Serial LCD Daughter Board fits neatly into any project setup without clutter.

1.3 inch I2C OLED Display Module 4pin Blue Color This is the 1.3-inch blue OLED display module. Using I2C protocols, the display module can communicate with any microcontroller. It has a resolution of 128x64. OLED (Organic Light-Emitting Diode) is a self-lighting technology that consists of a thin, multi-layered organic film sandwiched between an anode and a cathode. OLED, unlike LCD technology, does not require a backlight. This has a wide range of applications and is widely regarded as the ultimate technology for the next generation of flat-panel displays. The basic structure of an display module is made up of organic materials sandwiched between the cathode and the anode, which is made of electric conductive transparent Indium Tin Oxide (ITO). The organic materials combine to form a multi-layered thin film that includes the Hole Transporting Layer (HTL), Emission Layer (EML), and Electron Transporting Layer (ETL) (ETL). By applying the appropriate electric voltage, holes and electrons from the anode and cathode are injected into the EML. Inside the EML, holes, and electrons combine to form excitons, which cause electroluminescence. The key factors that determine the quality of OLED components are the transfer material, emission layer material, and electrode selection. If you want to use this 1.3 inch OLED display module in your Arduino project, that you will need a few essential components like Jumper wires Breadboard Batteries or power supply Also check: Best 0.96” OLED Display Module – 4-Pin, I2C/SPI Compatible Pin Description: GND: Power ground VCC: Power positive SCL: Clock wire SDA: Data wire. Features: Offers a compact yet clear display. Requires only 2 I/O ports for control. Comes pre-configured for SPI protocol Provides detailed and sharp images and text with 128x64 pixels. Uses the I2C protocol for easy and efficient communication with microcontrollers. Compatible with a voltage range of 3.3V to 5V. Uses Organic Light-Emitting Diode technology. Can be easily integrated into Arduino and other microcontroller projects. Check out our wide range of collection of OLED display modules which are reliable, durable, and top-performing displays every time. Applications: Fitness trackers, smartwatches, and other wearable technology. IoT initiatives to show status updates and visualize sensor data. Tools for diagnosis, testers, and portable meters. DIY electronics projects and prototypes for designing unique user interfaces. Medical equipment such blood glucose meters, patient monitoring systems, and pulse oximeters. Other electrical devices. How to Interface with Raspberry Pi: How to Interface with Arduino:

12V 200 RPM Johnson Geared DC Motor The 12V 200 RPM Johnson Geared DC Motor is a reliable and powerful motor for your robotics and DIY projects. It provides 200 RPM speed and 56.1 N-cm torque. The motor has a 30mm long main shaft with a hole for easy connection and a back shaft that works with encoders for speed and position feedback. This motor runs on 12V (with a range from 6V to 18V) and offers more torque than standard motors, making it perfect for projects that need strength and precision. Features High-quality branded Johnson DC motor. Sturdy construction for durability. Rear shaft for easy encoder mounting. Shaft equipped with metal bushes for long life. High-quality gears for smooth operation. Shaft includes a hole for better coupling.

0.96in 6 pin OLED Display This is the 0.96 inches (2.44 cm) OLED Display Module is a precise small, This OLED module can be interfaced with any microcontroller using SPI protocol. It is having a resolution of 128x64. OLED (Organic Light-Emitting Diode) is a self-lighting technology that consists of a thin, multi-layered organic film sandwiched between an anode and a cathode. OLED, unlike LCD technology, does not require a backlight. OLED has a wide range of applications and is widely regarded as the ultimate technology for the next generation of flat-panel displays. The basic structure of an OLED Display Module is made up of organic materials sandwiched between the cathode and the anode, which is made of electric conductive transparent Indium Tin Oxide (ITO). The organic materials form a multi-layered thin film that includes the Hole Transporting Layer (HTL), Emission Layer (EML), and Electron Transport Layer (ETL) (ETL). By applying the appropriate electric voltage, holes and electrons from the anode and cathode are injected into the EML. Inside the EML, holes and electrons combine to form excitons, which cause electroluminescence. The key factors that determine the quality of OLED components are the transfer material, emission layer material, and electrode selection. It can be used with either an SPI or a USB interface, which can be selected by soldering two jumpers on the back. The design is entirely 5v-geared, with an onboard regulator and built-in raise converter. It's now easier than ever to connect your 3v or 5v microcontroller without the use of a stage shifter. If you want to use this OLED display module in your Arduino project, for that you will need few essential components like Jumper wires Breadboard Batteries or power supply Features: Better resolution and viewing angle than traditional LEDs Support for bit map images Bright and crisp display under various lighting conditions Only Need 2 I/O Port to Control Full Compatible with Arduino Pin Description: GND: power ground. VCC: 3.3V or 5V power supply. SCL: CLK Clock. SDA: MOSI data. RST: Reset. DC: Data / Command.

SmartElex Basic 4.0″ HMI Display – 320×480 TFT Screen with Resistive Touch and UART Interface The SmartElex Basic 4.0″ HMI Display is a powerful and compact touchscreen module designed for creating smooth and interactive visual interfaces. With a 320×480 resolution and resistive touch panel, it delivers sharp visuals and responsive input, making it ideal for industrial control panels, smart home devices, and automation projects.This HMI display module offers easy connectivity through a 4-pin UART interface and supports micro-SD storage for firmware and images. You can easily design your custom GUI using Robu’s HMI Editor Software, which provides a drag-and-drop interface and pre-built widgets perfect for beginners and professionals alike. Its low power consumption and USB Type-C support make it both efficient and convenient for a variety of embedded systems. Features: 4.0-inch TFT display with 320×480 pixel resolution for clear visuals. Resistive touch panel for accurate input and smooth user interaction. 4-pin UART interface (115200 baud rate) for simple communication. On-board micro-SD slot for firmware, images, and UI storage. Supports USB Type-C external power input. Low power consumption (5V, 650mA) for energy-efficient performance. Compact and durable design suitable for various embedded applications.

20A ACS712 Current Sensor The 20A ACS712 Range Current Sensor Module ACS712 consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which the Hall IC converts into a proportional voltage. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. Connection Diagram of Arduino Uno with Current Sensor : Fig: Connection of ACS712 Current Sensor with Arduino UNO Curve of relation between the DC input voltage and measuring current: Fig : Output Voltage vs. Sensed Voltage Features: Hall Effect-Based Sensor: Utilizes the Hall effect for current measurement, providing electrical isolation. Analog Voltage Output: Produces an analog voltage proportional to the current passing through the sensor. High Accuracy: Offers precise current measurement with low offset and linear output. Wide Measurement Range: Can measure currents from -20A to +20A. Sensitivity: 100mV/A, meaning the output voltage changes by 100mV for every ampere of current. Supply Voltage: Operates at 5V. Compact Size: Dimensions are typically around 32x15mm Applications: Power Monitoring: Used to monitor power consumption in various devices and systems. Battery Management Systems: Measures current flow in battery-operated systems to ensure proper charging and discharging. Motor Control: Provides precise current measurement for controlling motors in various applications. Overcurrent Protection: Detects overcurrent conditions to protect circuits from damage. Inverters and SMPS: Used in inverters and switch-mode power supplies (SMPS) for current measurement and control. Electric Vehicle Charging Stations: Monitors and controls current in high-power charging stations. Heavy Machinery: Measures current in heavy machinery for performance analysis and maintenance. Automotive Applications: Used in automotive systems like power steering and inverters.