Gatekeeper – Remote unlocking and logging for an apartment intercom

I’ve been working with my flatmate recently on getting our apartments communal door open with a Particle Photon, it works a treat!

The full write up, with pictures, can be found at

It was the first time I’ve built a PCB, and it was a great experience going from a prototype to a mostly polished final implementation, still a lot to learn there though.

I’m also looking for some review of the firmware if anyone’s interested at

Just want to say thanks for writing such good documentation, it’s helped out a ton!