Author: Paul

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Not all ESP32 modules are the same.!?

Background During the extensive testing of our designs we ran into issues with some modules not wanting to boot up after a power cycle. This was happening about 8 out of 10 times. The first...

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The birth of a design

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...

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5 channel Analog LED controller – ET-AL01

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...

Soldering child 2

Soldering

Soldering is a fundamental skill you should master if you would like to build our projects. In this tutorial, we outline the basics of soldering. You’re worried things might get complicated? Well, just carefully read...

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