(8,47 excl. VAT)

Pimoroni OnOff SHIM.

Add a tiny yet convenient power switch to your Pi with OnOff SHIM!

Just plug your micro-USB power supply into the micro-B connector on OnOff SHIM, and then press the button once to switch on power and boot up your Pi. After installing our software (details below), you can press the button again to initiate a clean shutdown and completely cut the power to your Pi.
If the product is on backorder: no guaranteed date of shipment.

Only 5 left in stock

SKU: 5142 Categories: ,



  • super-small SHIM-format board
  • 0.8mm thick PCB
  • can be used with HATs and pHATs
  • corner-mounted push button for on/off
  • micro-B connector for power supply
  • red status LED
  • optional breakout pins to connect an external momentary button
  • 2×6 female header included
  • supports up to 2.5A power supply
  • software daemon to shutdown cleanly
  • requires soldering


We’ve put together a one-line-installer to install the clean shutdown daemon. It watches the state of BCM pin 17 and, when pulled low (pressed), it initiates a clean shutdown. Last thing, just before your Pi shuts down, BCM pin 4 is pulled low to completely cut power to your Pi.

To install the software, open a terminal and type:  curl https://get.pimoroni.com/onoffshim | bash

Additional information

Weight10 g
GTIN / EAN / UPC0704256800864
Manufacturer Product Number
Country of OriginGB
HS Tariff Code8543709099


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