Pimoroni Fan SHIM

unverified library/rpi_gpio/pimoroni-fan-shim.hal.yaml

Id	pimoroni-fan-shim
Manufacturer	Pimoroni
Model	Fan SHIM
Driver	rpi-gpio
Hazard	low
Limits	unconfirmed The library file holds suggested limits for fan, and no person has confirmed those limits yet. How a person confirms the limits

Control channels

Channel	Min	Max	Step	Rate per s	Unit	Confirm	Limit
fan					bool	none	suggested

Read channels

Channel	Type	Unit	Every
button	bool		0.2 s

openhal: "0.1"
device: { name: Pimoroni Fan SHIM, model: Fan SHIM, manufacturer: Pimoroni }
id: pimoroni-fan-shim
connect:
  rpi-gpio: { fan: 18, button: 17 }
  pull: up
  bounce: 50 ms
  on_connect: keep
read:
  button: { type: bool, every: 200 ms, map: { active_high: false } }
write:
  fan: { type: bool, suggested: true }
safe_state: { fan: true }
hazard: low
notes: >-
  Suggested limits. A person must confirm every limit before this device can be written.
  The fan is on BCM GPIO 18 and the button pulls GPIO 17 low when pressed. The RGB LED on GPIO 14 and 15
  isn't controlled here. The fan only cools the Pi, so a stop leaves it running.
provenance: { source: library, by: OpenHAL starter library, at: 2026-10-25, verification: { status: unverified } }