Tag: esp32

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ESP-NOW

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Intro The wireless sensor modules I built for my smart home are doing fine in terms of battery life without much effort. Typical life is 1-1.5 years for AAA powered and more than double that for AA powered nodes. So I thought I would have a better look at ESP-NOW. That’s because an ideea popped up during discussion with a friend: can he build a simple sensor network, quick and easy, with off the shelf… Continue reading

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driving a string of anti parallel LEDs

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Intro I have quite a few strings of LEDs with clips for photos. Never thought it was much more than a gimmick when i got the first one, but they do make for nice and personal decor with the photos attached. So naturally the next step is to control them through the home automation system. The first one was easy, there were all LEDs in parallel and an ESP8266 module and a tranzistor was all… Continue reading