What do you do with an RFID chip implanted in your body? If you are [gmendez3], you build a bike lock that responds to your chip. The prototype uses MDF to create a rear wheel immobilizer. However, ...

The AZM40 is a small, powerful electronic solenoid interlock. It measures just 1.5 × 4.75 × 0.7 in. (119.5 × 40 × 20 mm) and is designed to fit standard extruded profiles typically used in machine ...

[Pierre] recently bought his first car and decided to make his own RFID electric starter for it! An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off.