While scouring the internet in search of an ESP32 amplifier capable of running ESPHome firmware, I discovered the Louder ESP32. This neat unit comprises an external I2S DAC, perfectly able to drive full-sized speakers, and...
Introduction In the Netherlands, Belgium, Luxembourg and Sweden Residential Smart Electricity Meters comply to DSMR (Dutch Smart Meter Requirements), also known as ‘Smart Meter’ or ‘P1 port’ which supports plain non encrypted telegrams and also...
Preface About 10 months ago Sonoff send us the and thereafter we published our first impressions. The product was not entirely new and innovative, as there where Nextion Touch displays and 2-gang wall switches readily...
In this article we cover the Athom Mini Relay switch, a fairly small Relay switch for use behind your existing wall switch. These kind of switches are sold by manny companies, mainly based on Tuya...
The ET-AL01 Analog LED Controller The process of designing a circuit starts with an idea. Sometimes the idea is based on a question of someone else, and sometimes it is just seeing the need or...
Introduction Michel asked me to design an analog LED controller with 5 channels, since he wanted to be able to control a nice LED strip with an RGB LED and a warm white and cool white...
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