![Amazon.com: RS485 CAN HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W/WH,Allow Long-Distance Communication via RS485/CAN Function Onboard CAN Controller MCP2515 via SPI Interface Transceiver SN65HVD230 : Electronics Amazon.com: RS485 CAN HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W/WH,Allow Long-Distance Communication via RS485/CAN Function Onboard CAN Controller MCP2515 via SPI Interface Transceiver SN65HVD230 : Electronics](https://m.media-amazon.com/images/I/81yBfpqsriL._AC_SX450_.jpg)
Amazon.com: RS485 CAN HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W/WH,Allow Long-Distance Communication via RS485/CAN Function Onboard CAN Controller MCP2515 via SPI Interface Transceiver SN65HVD230 : Electronics
![Amazon.com: RFID HAT for Raspberry Pi with 0.91” OLED Display, RFID Shield Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W, Raspberry Pi RFID Reader & Control Board : Electronics Amazon.com: RFID HAT for Raspberry Pi with 0.91” OLED Display, RFID Shield Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W, Raspberry Pi RFID Reader & Control Board : Electronics](https://m.media-amazon.com/images/I/81uAD5c06ML._AC_SX450_.jpg)
Amazon.com: RFID HAT for Raspberry Pi with 0.91” OLED Display, RFID Shield Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W, Raspberry Pi RFID Reader & Control Board : Electronics
![3.3V RS485 CAN BUS Module HAT Expansion Board Shield for RPI 0 RPI0 Raspberry Pi Zero 2 W WH 2W 3A 3 Model B 3B Plus 4 4B|Demo Board| - AliExpress 3.3V RS485 CAN BUS Module HAT Expansion Board Shield for RPI 0 RPI0 Raspberry Pi Zero 2 W WH 2W 3A 3 Model B 3B Plus 4 4B|Demo Board| - AliExpress](https://ae01.alicdn.com/kf/H79120ef2dbed494cb5e64707a86c5fe6g/3-3V-RS485-CAN-BUS-Module-HAT-Expansion-Board-Shield-for-RPI-0-RPI0-Raspberry-Pi.jpg_Q90.jpg_.webp)
3.3V RS485 CAN BUS Module HAT Expansion Board Shield for RPI 0 RPI0 Raspberry Pi Zero 2 W WH 2W 3A 3 Model B 3B Plus 4 4B|Demo Board| - AliExpress
![Gsm Gprs Bluetooth Hat Shield Board Sim800c Sim Card Module Supports Sms Dtmf Http For Raspberry Pi 4 Model B 2b 3b 3b+ Zero W - Tool Parts - AliExpress Gsm Gprs Bluetooth Hat Shield Board Sim800c Sim Card Module Supports Sms Dtmf Http For Raspberry Pi 4 Model B 2b 3b 3b+ Zero W - Tool Parts - AliExpress](https://ae01.alicdn.com/kf/H23c6a04acfd04526a3f1e9885dfea4d5B/GSM-GPRS-Bluetooth-HAT-Shield-board-sim800c-sim-card-module-supports-SMS-DTMF-HTTP-for-Raspberry.jpg_Q90.jpg_.webp)
Gsm Gprs Bluetooth Hat Shield Board Sim800c Sim Card Module Supports Sms Dtmf Http For Raspberry Pi 4 Model B 2b 3b 3b+ Zero W - Tool Parts - AliExpress
![Amazon.com: KEYESTUDIO L298P Motor Driver HAT Shield GPIO for Raspberry Pi Model B/B+/A+/2/3/4 Zero and Zero W, High-Power Motor Speed Control Board Dual H Bridge with IR Receiver : Electronics Amazon.com: KEYESTUDIO L298P Motor Driver HAT Shield GPIO for Raspberry Pi Model B/B+/A+/2/3/4 Zero and Zero W, High-Power Motor Speed Control Board Dual H Bridge with IR Receiver : Electronics](https://m.media-amazon.com/images/I/71z1HQtR3RL._AC_SY450_.jpg)
Amazon.com: KEYESTUDIO L298P Motor Driver HAT Shield GPIO for Raspberry Pi Model B/B+/A+/2/3/4 Zero and Zero W, High-Power Motor Speed Control Board Dual H Bridge with IR Receiver : Electronics
![Amazon.com: sb components PiTraffic Educational Traffic Light Add on Shield HAT for Raspberry Pi 4, 3, 2 and Zero : Electronics Amazon.com: sb components PiTraffic Educational Traffic Light Add on Shield HAT for Raspberry Pi 4, 3, 2 and Zero : Electronics](https://m.media-amazon.com/images/I/61tKPQ0S+3L._AC_SX450_.jpg)