Articles

Everything I have written.

HomeKit builds, projects, guides and blog posts in one place, the newest first.

HomeKit ESP8266 HomeKit Dual Lamps Two lamps in one light fitting as one HomeKit accessory: a top light and a bottom light, two relays and a button that steps through the combinations. A test setup on an ESP8266. Read more

HomeKit ESP8266 HomeKit Reed Contact Sensor A HomeKit contact sensor on an ESP8266 with a reed contact and a magnet, for a door, window, garage door or blinds. A test setup from 2019. Read more

HomeKit ESP8266 HomeKit Light Sensor Test with an LDR A very simple test of an LDR on the analog input of an ESP8266 as a HomeKit light sensor, and why it does not give useful measurements. Read more

HomeKit ESP8266 HomeKit Motion Sensor with an HC-SR501 A HomeKit motion sensor on an ESP8266 with an HC-SR501 PIR module, including how to set its sensitivity, time delay and trigger mode. Read more

HomeKit ESP8266 HomeKit Fountain Light A HomeKit controller for a stone water feature: a ring of 16 colour LEDs cast in resin and a 230 V pond pump switch, on a custom KiCad board that was designed, produced and tested from scratch. Read more

HomeKit ESP8266 HomeKit Light Dimmer with a TRIAC Module A test setup that dims a mains lamp with an ESP8266 and a RobotDyn TRIAC dimmer module, and why it was hard to use in practice. Read more

HomeKit ESP8266 HomeKit Switch as a Switch, Lamp or Fan One ESP8266 relay firmware that Apple Home can show as a switch, a lamp or a fan, with a button on the board. Read more