This is a voltage and current meter for USB port. It can measure the output voltage and current. To use it, please provide the power through the USB male connector or the micro USB connector, and output voltage from the USB host female port. Then the meter will measure the voltage and working current.
- Input voltage: 3V-7V
- Resoultion: 0.01V
- Measured current range: 0.05A to 3.50A
- Current Resolution: 0.01A
- Internal Resistance: 0.1 ohm