2 of 2
replaced http://electronics.stackexchange.com/ with https://electronics.stackexchange.com/
I would guess around 50 mA, to power the processor and the USB converter. I notice that this question suggests more like 20 mA.
To be certain, you could measure it, but probably 20 to 50 mA would be a ball-park figure.
Nick Gammon ♦
- 38.9k
- 13
- 69
- 125