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Keyfob HAT Install

Before proceeding with the install

The keyless entry solution described here only works with the AutoPi TMU CM4 and newer editions


Prerequesites for this guide:

  • 1x Keyless Entry BLE HAT PCB
  • 1x 4mm plastic spacer
  • 2x Plastic screw
  • 2x 6.5 mm plastic spacer
  • AutoPi BLE side shield

Keyfob HAT components

Step-by-step guide#

Step 1#

Open up the AutoPi device by unscrewing the four screws at the bottom.

Step 2

Step 2#

Start preparing the BLE hat by screwing one 6.5 mm spacer in each hole of the PCB as seen in the pictures.

Step 2

Step 3#

Connect the BLE hat with the AutoPi board through the 40 pin headers. Verify that the connectors are properly connected.

Step 3

Step 4#

Reasemble the device using the new AutoPi BLE side shield, giving access to two new Keyfob control ports on the side.

Step 4


You have now successfully installed the keyless entry solution to the device.

In case you have any questions about installing additional components onto the AutoPi device, don't hesitate to shoot us an email at We usually respond back in 24 hours on working days.