Voltmeter Clip On for the 40mm Extruder / 40mm PLA Fan Mount

This is a mini-voltmeter clip on for the 40 mm Extruder / 40 mm PLA Fan Mount for the Printrbot Play. One mini-voltmeter measures the voltage reading across the 40 mm Extruder Fan and the other mini-voltmeter measures the voltage reading across the 40 mm PLA Fan.
These low cost mini-voltmeters can be found on ebay and websites like mini-in-the-box. This part was designed using the free version of the eMachineShop Software Package.