Tag Archives: Automotive

Frequency Counter

Arduino Frequency Counter with 16×2 LCD Display

You can download our e-book ‘Learn Arduino from Scratch’ from this link Recently, a friend of mine had an issue with his car’s ECU and needed a frequency counting device. The solution was a device to determine the pulse frequency emitted by the ECU against the rev counter. So, the device had to have the ability to read digital pulses, between 1v – 5v, which are then interpreted by a… Read Article →