Development Boards & Microcontrollers

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Development Boards & Microcontrollers — Arduino, ESP32, Raspberry Pi & More Everything you need to prototype, build, and deploy embedded systems and IoT projects. This collection covers the complete ecosystem of development boards, microcontroller modules, sensors, actuators, communication modules, displays, and power management components — from beginner-friendly Arduino Uno kits to advanced ESP32 dual-core WiFi/Bluetooth boards and Raspberry Pi accessories. Microcontroller Development Boards Arduino Uno R3 / Nano / Mega / Leonardo: The standard platform for electronics education and prototyping — ATmega328P, ATmega2560, ATmega32U4 ESP32 (DevKitC, ESP32-CAM, ESP32-C3, ESP32-S3): Dual-core 240MHz with WiFi + Bluetooth — the go-to platform for IoT and wireless projects ESP8266 (NodeMCU V2/V3, D1 Mini, ESP-01): Low-cost WiFi for simple IoT applications STM32F103C8T6 (Blue Pill): ARM Cortex-M3 at 72MHz — for high-performance embedded applications Raspberry Pi Pico RP2040: Dual-core Cortex-M0+ with 2MB flash — MicroPython and C/C++ compatible Digispark ATtiny85: Tiny USB-programmable microcontroller for minimal footprint projects Sensors & Input Modules Temperature & Humidity: DHT11, DHT22, DS18B20 waterproof probe, AM2302 Distance & Proximity: HC-SR04 ultrasonic, VL53L0X/VL6180X ToF laser, JSN-SR04T waterproof Motion & IMU: MPU-6050 6-axis gyro/accelerometer, RCWL-0516 microwave radar, SW-420 vibration Environmental: Rain/snow detection, water turbidity, soil moisture, gas sensors Optical: IR remote control, color sensor TCS34725, LDR photoresistor, laser module Magnetic: Hall effect, reed switch, QMC5883L compass magnetometer Communication Modules Bluetooth: HC-05/HC-06 classic, HM-10 BLE 4.0, BT-06 WiFi: ESP8266 ESP-01/ESP-12E/ESP-12F standalone modules LoRa: RA-01/RA-02 SX1278 433MHz long-range wireless NFC/RFID: MFRC-522 RC522 13.56MHz, NFC reader kit GPS: NEO-6M/7M/8M satellite positioning modules RS-485/RS-232: MAX485, USB-to-RS485, FT232R