Tag "esp12"

The ESPurna board, a smart wall switch with power monitoring

If you have read me, you might know I have a firmware for ESP8266-based smart switches called ESPurna. The firmware integrates with Alexa, Domoticz, Home Assistant and about any other service that supports MQTT or HTTP REST APIs. It supports a variety of devices, including almost the whole Sonoff family by Itead Studio, but also some other commercially available boards and light bulbs, and open source hardware projects as well....

MQTT LED Matrix Display

My MQTT network at home moves up and down a lot of messages: sensor values, triggers, notifications, device statuses,… I use Node-RED to forward the important ones to PushOver and some others to a Blynk application. But I also happen to have an LED display at home and that means FUN. LED displays are cool. Your team’s score, your number in the IRS queue, the estimated arrival time for your next commute,… Now that TVs are replacing LED displays (like the later did with the electromechanical ones) they have acquire an almost vintage-status....