If your daily driver was born without a tach, fear not – a simple Arduino tachometer is well ... signal – a signal sent from the Engine Control Unit (ECU) which tells one of the ignition ...

Instead, he reverse-engineered the mill and constructed a tachometer of his own. He opened the control box and started ... He hooked the line up to an Arduino and in no time had the RPM displayed ...

Randy Sarafan, who also happens to be the Technology Editor over on Instructables, gutted a remote-controlled car and swapped the parts for an Arduino board. Seeing as Arduino is good for ...

and home automation applications that control LED lighting. It could also allow devices programmed with Arduino "sketches" to interact with each other over Bluetooth 4.0—potentially allowing for ...