Volt/Amp Meter for 3D Printer

See Complete How-To Video.....
https://www.youtube.com/watch?v=G-9er3-Tdqg&list=PLn5mGAed9x54EjulLXxyrC_TQ1Mvl9ypK&index=1
**** Wiring Diagram Included in Video ****

Meter: search eBay for....
DC 0-30V 10A Voltmeter Ammeter Blue+LED Panel Amp Digital Volt Gauge meter
(under $5 included shipping)

Magnets: search eBay for...
Neodymium N35 D3x10mm Magnets

Blender file included.