IO Expansion Shield and HAT

Adafruit RGB Matrix Shield for Arduino

Ethernet and PoE Shield for Arduino - W5500 Chipset

Terminal Block Board for FireBeetle 2 ESP32-E IoT Microcontroller

RS485 Shield for Arduino - DFRobot

Raspberry Pi UPS HAT

micro:Driver - micro:bit Driver Expansion Board

Ethernet / USB HUB HAT for Raspberry Pi, 1x RJ45, 3x USB

RS485 CAN HAT for Raspberry Pi

7Semi 4G LTE Raspberry Pi HAT with miniPCIe Slot

2 reviews

7Semi MC60 GSM/GPRS/GPS Arduino Shield - Quad-band

1 review

Li-ion Battery HAT for Raspberry Pi, 5V Output, Quick Charge

2 reviews

Uninterruptible Power Supply UPS HAT For Raspberry Pi, Stable 5V Power Output

2-Channel Isolated CAN Expansion HAT for Raspberry Pi, Dual Chips Solution

NB-IoT / Cat-M(eMTC) / GNSS HAT for Raspberry Pi, Globally Applicable

4-ch Current/Voltage/Power Monitor HAT for Raspberry Pi, I2C/SMBus

WM8960 Hi-Fi Sound Card HAT for Raspberry Pi, Stereo CODEC, Play/Record

Stepper Motor HAT for Raspberry Pi, Drives Two Stepper Motors

2-Channel Isolated RS232 Expansion HAT for Raspberry Pi

MCP23017 IO Expansion Board Expands 16 I/O Pins

RS485 CAN Shield Designed For NUCLEO/XNUCLEO

3.6V 16 Output I/O Expander SX1509 Breakout I2C SparkFun

Raspberry Pi High-Precision AD/DA Expansion Board

2 reviews

MiniGen Signal Generator Shield (for Arduino Pro Mini) SparkFun

Motor/Stepper/Servo Shield for Arduino v2 Kit - v2.3