Automation HAT

Raspberry Pi HAT for industrial-style I/O: 3 x 24 V tolerant buffered inputs, 3 x 24 V sinking outputs, 3 x 12-bit ADC channels (0–24 V), and a 24 V/2 A relay. Screw terminals and SPI broken out; Python library included.

Logical pinout · physical placement not verified

5V40-pin header position 2
Type · Power
3V340-pin header position 1
Type · Power
GND40-pin header e.g. pos 6,9,14,20,25,30,34,39
Type · Ground
GPIO14TXD40-pin
Type · GPIO, UART
GPIO15RXD40-pin
Type · GPIO, UART
GPIO2540-pin
Type · GPIO
Relay COMNONCScrew terminals
Type · Control
ADC 0-24V inputsScrew terminals
Type · Signal
Buffered inputs 24VScrew terminals
Type · Signal
Outputs sinkingScrew terminals
Type · Control

Pin	Position	Type
5V	40-pin header position 2	Power
3V3	40-pin header position 1	Power
GND	40-pin header e.g. pos 6,9,14,20,25,30,34,39	Ground
GPIO14TXD	40-pin	GPIO, UART
GPIO15RXD	40-pin	GPIO, UART
GPIO25	40-pin	GPIO
Relay COMNONC	Screw terminals	Control
ADC 0-24V inputs	Screw terminals	Signal
Buffered inputs 24V	Screw terminals	Signal
Outputs sinking	Screw terminals	Control

Logical pinout · physical placement not verified

Pin details

10 connections

5V
Power
40-pin header position 2
3V3
Power
40-pin header position 1
GND
Ground
40-pin header e.g. pos 6,9,14,20,25,30,34,39
GPIO14TXD
GPIO, UART
40-pin
GPIO15RXD
GPIO, UART
40-pin
GPIO25
GPIO
40-pin
Relay COMNONC
Control
Screw terminals
ADC 0-24V inputs
Signal
Screw terminals
Buffered inputs 24V
Signal
Screw terminals
Outputs sinking
Control
Screw terminals

Start wiring

Shield

Verify supply voltage and logic levels before powering up.

Module pins: 5V, 3V3, GND, GPIO14 / TXD, GPIO15 / RXD, GPIO25, ADC 0-24V inputs, Buffered inputs 24V. Schematik maps them to your board in the app.

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