Lego have produced many styles of motors over the years (including clockwork ones!) but one of the most popular old style motors was the 9V Technic one, used in many builds. Many of you may still have these motors hanging about. In the video below we look at how to […]
These small cheap devices (pic below) are extremely useful in many situations where you want to know is something is close by, whether that be an object or a black/white line etc. They work by sending out an IR beam and looking for it coming back. Therefore it has to […]
In this video we will look at how to use cheap servo motors with our Lego, and use an Arduino to control it. (although the theory is applicable to any MCU). In the next article we will look at IR proximity sensors and use them both together in a Lego […]
This article shows how to use the MCP4725 DAC (Digital to Analogue Converter) on an Arduino. Arduino’s like many other MCU’s lack this useful functionality.
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