JTAG Hat – Blinkinlabs
MCC 172 - IEPE Measurement DAQ HAT for Raspberry Pi
Raspberry Pi 5 gets an M.2 PCIe HAT - Meet PineBerry Pi HatDrive - CNX Software
Power Over Ethernet (PoE) HAT for Raspberry Pi 3 B+ 4 and 802.3af PoE
Raspberry Pi Build HAT - LEGO Robotics Add-On For Raspberry Pi : ID 5287 : Adafruit Industries, Unique & fun DIY electronics and kits
Raspberry Pi 3G/4G-LTE Base HAT
Motor Driver HAT for Raspberry Pi, I2C Interface
Amazon.com: GeeekPi Fan Hat for Raspberry Pi 4 Model B, PWM Fan GPIO Expansion Board with 0.91inch OLED Display for Raspberry Pi 4B/3B+/3B/2B : Electronics
Adafruit Perma-Proto HAT for Pi Mini Kit - No EEPROM : ID 2310 : Adafruit Industries, Unique & fun DIY electronics and kits
Introducing Raspberry Pi HATs - Raspberry Pi
32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
Raspberry Pi to Arduino MKR bridge HAT — Arduino Online Shop
Eight Relays 4A/120V 8-Layer Stackable HAT for Raspberry Pi
Witty Pi 4 HAT - RTC & Power Management for Raspberry Pi : ID 5704 : Adafruit Industries, Unique & fun DIY electronics and kits
The 10 best Raspberry Pi HATs — The MagPi magazine
Raspberry Pi 4 Fan Case » By C4Labs » Pre-Order now open!
Raspberry Pi Build HAT - DEV-18705 - SparkFun Electronics
Amazon.com: UCTRONICS PoE HAT for Raspberry Pi 4B/3B+, Power Over Ethernet (PoE) Support 802.3af PoE Network Standard, Compatible with Pi 4B / 3B+ : Electronics
RS232 Serial DB25 Raspberry Pi Hat for CNC – Byte 2 Bot
Introducing Raspberry Pi HATs - Raspberry Pi
MCC 134: Thermocouple Measurement DAQ HAT for Raspberry Pi® - Digilent
SH-RPi (Sailor Hat for Raspberry Pi) – Hat Labs
Sixfab 5G Development Kit for Raspberry Pi - Sixfab
