Tag "ldr"

Last December Itead Studio updated their Home Automation product line with a new and different product. The main difference is that it doesn't have a relay and it's mainly sensors and no actuator (if we don't define a notifying LED as an actuator). The Sonoff SC is a sensor station that packs a DHT11 temperature and humidity sensor, a GM55 LDR, an electret microphone with an amplifier circuit and a Sharp GP2Y1010AU0F [Aliexpress] dust sensor in a fancy case that looks like it was originally meant for a speaker....

Since I discovered the Sonoff I've been thinking about embedding it inside a switch. I started looking for old power meters, timers,… I had at home but the Sonoff is a bit too long. Why didn't they design a square board? I event bought a bulky Kemo STG15 case with socket. Next I decided to design my own board. It is meant to be the “official” hardware for the ESPurna project so it's called ESPurna too....