Posted in Games, hardware Tagged A-10, cockpit, electromagentic, simulator, switch, Thunderbolt II, toggle, warthog ← ESP32 Internet Radio Is No Game ...

The security flaws on this common hotel keycard lock are nothing short of face-palmingly stupid. Look closely at the picture above. This is a hotel room door swinging open. The device he holds in h… ...

The only required addition was a 10-kΩ resistor connected in parallel with the marked 1-kΩ resistor. This asymmetry contributed to reliable operation. The switching speed is about 1 Hz.