HATs for Raspberry Pi 3, Raspberry Pi ZERO and other

HATs

The HATs are the extension boards for the Raspberry-Pi 3 (and following) and Raspberry Pi A or Pi Zero (and following).
The HATS does follows formfactor and technical specifications, so you can be ensured of the compatibility electrical and space required for the extension board. There are many extension compatible with the Raspberry-Pi and many of them are compatible with the HAT specification.

Out-of-Stock
Automation Hat for Raspberry-Pi
Out-of-Stock
Automation Hat for Raspberry-Pi
3 x 24V @ 2A relays (NC and NO terminals)
3 x 12-bit ADC @ 0-24V
3 x 24V tolerant buffered inputs
3 x 24V tolerant sinking outputs
15 x channel indicator LEDs
1 x 12-bit ADC @ 0-3.3V
Out-of-Stock
HAT PoE+ for Raspberry Pi
Out-of-Stock
Power up the Raspberry-Pi from an Ethernet cable
Pi 3 B+ / Pi 4
15W max. (5V, 3A)
Protected against over-current, over-voltage, open circuit, overheat
Ethernet cable: 100m max.
Ventilator controled with Micro-Controler
Out-of-Stock
HAT PoE for Raspberry Pi
Out-of-Stock
Power up the Raspberry-Pi from an Ethernet cable
Pi 3 B+ / Pi 4
15W max. (5V, 2.5A)
Protected against over-current, over-voltage, open circuit, overheat
Ethernet cable: 100m max.
Ventilator controled with Micro-Controler