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In this project I will show you how a 3 IR distance sensor works and how we can use it to build a proper DIY tachometer that functions properly. Let’s get started!

Here you can find a parts list:
1x Arduino Pro Mini
1x IR Distance Sensor
1x 128x64 OLED
1x TP4056 Charge Protect Board
1x LiPo Battery
1x Toggle Switch”

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