Sure, it’s probably not the most secure lock on the planet, and the 5V linear regulator is held on to the relay board with hot glue, but this is an exceptionally well-documented project ...

By far, the Straplok's most unique feature is its patented ‘linear pin tumbler’ locking mechanism. This simple key slot system doesn ... The claimed weight for a single lock is just 1.2kg ...

The ignition lock cylinder is a mechanical part where the ignition key is inserted to start a vehicle. It’s mounted inside the ignition switch, the electrical component that locks the ignition ...