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Building a Wireless Kill Switch

When things become sentient, it's good to be able to remotely kill power.

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I highly recommend building something that scares you every once and a while. In this case, I’m planning to enter an autonomous vehicle into the AVC in 2016, and it's pushing my limits of comfort. A 1,000W motor with a large battery pack behind it means that if things go wrong, they go really wrong!

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The innards of the remote kill switch

For that reason, one of the new safety requirements of the AVC rules is a remote kill switch that allows the user to safely and remotely power down the vehicle. So here's a tutorial going into how I built the wireless kill switch based on the RFM69. And to demonstrate this... well... let's start with a margarita.

Vehicle Control Unit Electronics

Checkout the kill switch tutorial for the complete rundown!

How to Build a Remote Kill Switch

May 31, 2016

Learn how to build a wireless controller to kill power when things go... sentient.


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