USB Charger Doctor In-Line Meter

Inline USB A female-to-male dongle measures voltage (3.5–7VDC) and current (up to 3A) on power lines while passing data—auto-switches display every 3s via 0.05Ω shunt. Essential for first-year engineering students debugging Arduino/Pi power, chargers, or boost circuits.

Blue plastic; plugs between source/device.

Functions

• Voltage: Real-time readout.
• Current: Shunt-based.
• Data: Passthrough.

Note: Product size and dimensions may vary.

Disclaimer: The images shown are for illustration purposes only and may not be an exact match.