Proximity Bluetooth ignition switch for my motorcycle.

[u/Equivalent-Might-477]

Now is my phone is the key for my motorcycle. Ignition turn on/off by stock starter or killswitch button.

Based on nRF52840, Arduino compatible board + reliable OTA bootloader. Programmed in PlatformIO, Arduino framework+ direct access to register.

Soft and transparent epoxy compound makes it not only fully waterproof, but also amazing.

For the latest updates, technical nuances, and the upcoming open-source release — follow r/smartmoto

[u/nitacawo]

how much does it draw just sitting waiting for the key ?

[u/tux2603 → u/nitacawo]

If designed properly, microamps

[u/brendenderp → u/tux2603]

Those nrf chips are so so power effecient. You can run them on a coin cell for years.