mircemk| Quantity | Component name | |
| 1 | × | Arduino Nano R3 |
| 1 | × | SH1106 od SSD1306 Oled display 128x64 |
| 1 | × | Cheap Infrared sensor module |
Arduino Tachometer (RPM meter) with IR sensor modu
A very simple way to make a tachometer where the result is displayed on an OLED display in the form of an RPM number and a progress bar