LED dot matrix display control

I show you how to control an LED matrix display and how you can create a running font. I use the LedControl library, but I also show how to do it without.

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LM393 – turns analog into digital

Using the LM393, analog sensors can deliver digital signals. This can make programming much easier. In this article I will show you how this works using an LDR (light dependent resistor).

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HX711 based balance

With an HX711 module and a load cell, you can easily build an astonishingly precise balance. I also show you how to install an automatic shut-off system.

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Watchdog Timer

Here you will learn: What is a watchdog timer? How to use it on Arduino (UNO) and AVR MCUs? What to consider using the watchdog timer on the ESP8266 and Arduino Pro Mini.

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