4 ms·
A USB tester - it just reports the voltage (5V) and the current. As you can see in the video, the current hovers around 10mA, spiking to 20mA when we use the sp
by ttsiodras 5y ago
A USB tester - it just reports the voltage (5V) and the current. As you can see in the video, the current hovers around 10mA, spiking to 20mA when we use the speaker.