internet of things – Chris Barr Builds

IoT Doorbell Part 3 (OpenHAB and MQTT)

January 27, 2016 Chris Leave a comment

Last time I took apart my doorbell, added an ESP8266 and connected it so it could detect when the doorbell was ringing. But how should I communicate with the ESP8266, and what should I do with this data? I decided to explore the OpenHAB home automation software and came across

IoT Doorbell Part 2 (Feather HUZZAH / ESP8266)

January 15, 2016 Chris Leave a comment

Previously I discussed my intentions to smart-ify my doorbell – I want to know if I’ve missed a delivery while I’m out, and this seemed like a good way to go about it.

IoT Doorbell Part 1 – DIY Spanner Security Driver

December 30, 2015 Chris Leave a comment

Today I wanted to take something apart, and the people that made it clearly disagreed. The screws holding the thing – a doorbell chime – together were a type of security screw I hadn’t run into before.