RPM-meter-arduino Simple code for Arduino Project I made. Using Hall-Effect Sensor we can measure the speed of rotation. RPM (Revolutions per minute) – the number of revolutions per minute.

ESP32 RPM and engine coolant temperature meter with use elm327 - Releases · PiotrOchal/Arduino-RPM-meter ...

The parts arrived for the RPM meter that uses an Arduino and reciprocal counting to get a three-times-a-second update rate with 1rpm resolution. Arduinos ...

Eschewing the traditional analog meter display or even a digital readout, [deepsyx] opted to indicate shift points with four LEDs mounted to a scrap of old credit card.

I needed a tacho/RPM display for a CNC spindle. I decided to use an Arduino Micro and OLED display with a reflective LED/Photo transistor as a sensor. Since powering up, a clock can display the total ...

If you however wondered just how fast your car really is, you might be interested in this DIY Arduino G Meter which has been created using a Arduino with an accelerometer and a small LCD display ...