Rotor Master V2 Car Stand This is a redesign of

This is a redesign of the MiniPro 200A Current/Voltage sensor

5:  Voltage display to show the voltage output of your Power Supply

Solder the positive lead to the VIN+ and the ground to the VIN-

so you can:

Rotor Master V2 Car Stand This is a redesign ofThis is a device to measure the strength of your 540 motors spec rotors. Features & Specifications: V2 Enhancements 1. Reverse Polarity Protection 2. Optimized code for calibrating the offset during startup 3. Instant Reset Data Button 4. More Accurate ADC 5. Now Measures Up To 4000 Gauss 6. More Robust Cradle Rotor Mount 7. Comes with an EVA Protective CasePower range 7 15v (2s or 3s battery, or 12v power supply)Measures 3 area of your rotor strength