SparkFun Qwiic HAT for Raspberry Pi - DEV-14459 - SparkFun Electronics
Adafruit Perma-Proto HAT for Pi Mini Kit - No EEPROM : ID 2310 : Adafruit Industries, Unique & fun DIY electronics and kits
Raspberry Pi 3G/4G-LTE Base HAT
The 10 best Raspberry Pi HATs — The MagPi magazine
Raspberry Pi 4 Fan Case » By C4Labs » Pre-Order now open!
Raspberry Pi A+/B+/Pi2/Pi3 Prototyping HAT (RPi-Proto-HAT) - Watterot
Raspberry Pi Sense Hat
32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
SH-RPi (Sailor Hat for Raspberry Pi) – Hat Labs
Amazon.com: waveshare Power Over Ethernet (PoE) HAT for Raspberry Pi 4B/3B+, 802.3af/at PoE Network Standard, 5V USB-A&12V Header Outputs, PoE HAT Onboard Cooling Fan and MP8676 Buck Chip, Isolated : Electronics
JTAG Hat – Blinkinlabs
Raspberry Pi Build HAT - DEV-18705 - SparkFun Electronics
Cluster HAT Kit (includes 4 x Raspberry Pi Zero W)
Raspberry Pi PoE+ HAT : ID 5058 : Adafruit Industries, Unique & fun DIY electronics and kits
Introducing Raspberry Pi HATs - Raspberry Pi
High Power Zigbee2MQTT HAT for Raspberry Pi | CC2652P Zigbee HAT for Raspberry Pi | Home Assistant CC2652P Zigbee | ELEKITSORPARTS
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
RS232 Serial DB25 Raspberry Pi Hat for CNC – Byte 2 Bot
IO Expansion Hat for Raspberry Pi 5 / 4 / 400 / 3 - DFRobot
Raspberry Pi GPIO Terminal Block HAT - DFRobot
Motor Driver HAT for Raspberry Pi, I2C Interface
Grove Base Hat for Raspberry Pi | Seeed Studio Wiki
Raspberry Pi to Arduino MKR bridge HAT — Arduino Online Shop
Raspberry Pi 5 gets an M.2 PCIe HAT - Meet PineBerry Pi HatDrive - CNX Software
