Tutorials

How to use the AS5147 magnetic absolute rotation sensor

The AS5147 magnetic absolute rotation sensor is perfect for measuring robot joint angles. The key here is absolute! A relative rotation sensor like an encoder is very cheap but when you need to always totally unquestionably need to know where your thing is at then you need absolute sensing. In this post I’m going to show you my test setup, wiring, and code so you can get started easy peasy.

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Tutorials

Building and testing micromouse sensors

To build a micromouse I need sensors that see the maze and motors that move the robot through the maze, connected to a brain that I can teach. All of that is powered by a battery. In this post I’m going to connect the micromouse sensors and graph their output. (more…)