Arduino-Nano-RPM-Speedo I have put some Arduino PCBs to manufacture according to my protoboard. I have made a 12V to 5V converter and used transistors to transmitt signal. On RPM pins i put one pin to ...

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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 ...

Posted in Arduino Hacks, Transportation Hacks Tagged arduino, rpm, serial, shift point, tachometer ← A Different Sort Of Word Clock ...

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 ...

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 ...

Continue reading “Quick Arduino Hack Lets Tach-less Car Display Shift Points”→ Posted in Arduino Hacks, Transportation Hacks Tagged arduino, rpm, serial, shift point, tachometer ...