Archive for August 2013

Engine RPM (Part 2)

Part 1, 2, 3, 4, 5 The previous post covered the hardware part of the engine RPM sensor, it is time to care about the software component. Nothing complex ahead, and we have a variety of options for taking care about pulse counting. Globally, all we need is a pin which will read the state […]

Engine RPM (Part 1)

Part 1, 2, 3, 4, 5 The measurement of an internal combustion engine speed is expressed in ¬†Rounds Per Minute, so as to say, the number of revolutions of the crankshaft¬†per minute. The RPM can be used for various applications such as with checking/calibrating the RPM dial (if any installed), adding a warning light for […]