
Tiny QT Py/Xiao-form-factor CH552 8051 development board with USB-C, STEMMA QT I2C connector, NeoPixel, boot/reset buttons, UART, SPI, GPIO, ADC, PWM and capacitive-touch capable pins.
3.3 V · 5 V · Module
ESP32 DevKit boards provide a programmable ESP32 controller with 3.3 V GPIO plus built-in Wi-Fi and Bluetooth capability for connected bu…
ESP32, Arduino Uno, Raspberry Pi Pico, and compatible add-on boards for running builds.
Arduino Uno visual previewArduino Uno
Core supported Arduino beginner board with Uno shield headers and 5 V GPIO assumptions. Common for entry-level wiring guides and shield examples.
Raspberry Pi Pico visual previewRaspberry Pi Pico
Core supported Raspberry Pi Pico RP2040 board for breadboard-friendly 3.3 V GPIO builds. Not a full Raspberry Pi Linux computer.
Adafruit Feather nRF52840 Express visual previewAdafruit Feather nRF52840 Express
Standalone Adafruit Feather BLE development board based on the nRF52840 and ARM Cortex-M4F. Not a Raspberry Pi or Arduino MKR accessory.
Pan-Tilt HAT kit visual previewPan-Tilt HAT kit
Raspberry Pi HAT kit for pan/tilt servo control and LED or NeoPixel-style outputs. Related to Pi add-ons, not a microcontroller board replacement.
Mini Black HAT Hack3r visual previewMini Black HAT Hack3r
Raspberry Pi HAT debugging and access board that exposes GPIO while using a HAT. Useful for prototyping, not a controller board or pan/tilt substitute.
MicroSD Card Adapter for Raspberry Pi B visual previewMicroSD Card Adapter for Raspberry Pi B
Low-profile MicroSD adapter for Raspberry Pi B. Storage accessory only, not compute, control, cooling, or communications hardware.
Raspberry Pi Ultimate Cooling Dual Fan visual previewRaspberry Pi Ultimate Cooling Dual Fan
Raspberry Pi cooling fan and heatsink kit. Thermal accessory only, not a board, shield, storage adapter, or controller.
ARDUINO MKR 485 SHIELD visual previewARDUINO MKR 485 SHIELD
Arduino MKR shield that adds RS-485 serial connectivity for industrial or legacy systems. Needs a compatible MKR host board.
Adafruit Feather 32u4 Adalogger visual previewAdafruit Feather 32u4 Adalogger
Adafruit FLORA Wearable Electronic Platform v3 visual previewAdafruit FLORA Wearable Electronic Platform v3
Adafruit HUZZAH ESP8266 Breakout visual previewAdafruit HUZZAH ESP8266 Breakout
Adafruit Metro Mini 328 V2 - Arduino-Compatible - 5V 16MHz [STEMMA QT / Qwiic] visual previewAdafruit Metro Mini 328 V2 - Arduino-Compatible - 5V 16MHz [STEMMA QT / Qwiic]
Adafruit PiCowbell Adalogger for Pico visual previewAdafruit PiCowbell Adalogger for Pico
Adafruit PiCowBell HSTX DVI Output for Pico visual previewAdafruit PiCowBell HSTX DVI Output for Pico
Arduino Uno - R3 visual previewArduino Uno - R3
Arduino Uno Rev3 visual previewArduino Uno Rev3
Arduino Uno Rev3 visual previewArduino Uno Rev3
ESP32 Development Board Doit DevKit V1 visual previewESP32 Development Board Doit DevKit V1
ESP32-DevKitC Development Board visual previewESP32-DevKitC Development Board
Espressif ESP32 Development Board - Developer Edition visual previewEspressif ESP32 Development Board - Developer Edition
Raspberry Pi Pico visual previewRaspberry Pi Pico
Raspberry Pi Pico visual previewRaspberry Pi Pico
Raspberry Pi Pico visual previewRaspberry Pi Pico
RGB backlight positive LCD 16x2 visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
I2C 20x4 Arduino LCD Display Module visual preview
Gravity: I2C 16x2 Arduino LCD with RGB Backlight Display V2.0 visual previewCharacter LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.
Displays · TFT & LCD displays · 33 parts
MQ-2 Gas Sensor visual preview
MQ-3 Gas Sensor visual preview
MQ-135 Gas Sensor visual preview
Grove - Air quality sensor visual previewChoose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.
Sensors · Gas & air-quality sensors · 29 parts
Full-Bridge Motor Driver Dual - L298N visual preview
Pololu A4988 Stepper Motor Driver Carrier, Black Edition visual preview
Raspberry Pi Motor & Servo Addons/HATs | Kiwi Electronics visual preview
Adafruit DRV8833 DC/Stepper Motor Driver Breakout Board visual previewChoose by actuator type first: brushed DC motor, stepper motor, RC servo, solenoid or Raspberry Pi HAT. Similar-looking motor boards are rarely drop-in substitutes.
Motors & actuators · Motors & servos · 29 parts
SparkFun Qwiic Pro Micro BoogieBoard visual preview
9V to Barrel Jack Adapter visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
MicroUSB Plug to 5.5/2.1mm DC Barrel Jack Adapter | Kiwi Electronics visual previewSort passive connector adapters from Qwiic boards, LCD modules and microSD card adapters before assuming anything with the right plug will substitute safely.
Connectors & cables · Connectors · 23 parts