Automation pHAT
We've pulled together a great set of features into this home monitoring and automation controller. With a relay, analog channels, powered outputs, and buffered inputs (all 24V tolerant) you can now hook up a plethora of goodies to your Raspberry Pi all at once.
Ideal for smart home and automation projects, giving your greenhouse intelligent sprinklers, or scheduling your fish feeding!
Features
1 x 24V @ 2A relay (NC and NO terminals)
3 x 12-bit ADC @ 0-24V (ADS1015)
3 x 24V tolerant buffered inputs
3 x 24V tolerant sinking outputs
3.5mm screw terminals
SPI pins broken out
Automation pHAT pinout https://pinout.xyz/pinout/automation_phat
Compatible with Raspberry Pi 3, 2, B+, A+, Zero, and Zero W
Python library https://github.com/pimoroni/automation-hat
Female header and broken out pins require soldering
Software
As ever, we've made a super-simple to use Python library https://github.com/pimoroni/automation-hat to take advantage of Automation pHAT's multitudinous functions, with examples to get you started.
In fact, Automation pHAT uses the same library as Automation HAT, and it uses the presence (or absence) of the SN3218 LED driver chip to autodetct which board (HAT or pHAT) is being used. Nifty!
Our input, output and relay examples show you how to read the analog and digital inputs, switch the outputs on and off, and control the relay.
Notes
Loads for the buffered outputs should be switched on the ground side, i.e. 12/24V (from supply) -> load -> output terminal -> ground (from supply)
The relay can tolerate up to 2A each and should be switched on the high side
Do not use to switch mains voltages!
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