Tachometer || RPM meter - Arduino -2

Code and circuit:

https://drive.google.com/drive/folders/1-4-PRQJaxh1cx1MQe-wn93RnHNGiT_vX

Pin out for arduino Nano and uno are same

Parts used :

16X2 display

Arduino UNO / Nano

9v battery

IR / proximity sensor

Switch
Note : adjust potentiometer until you get proper display visibility

Видео Tachometer || RPM meter - Arduino -2 канала THOMAS TECHS