Neither battery, nor usb are connected.
Only an external 3V3 power supply.
I was sure it would be sufficient, but the test blink app does nothing.
If USB is connected alone, the app works fine.
Edit: there are 3.5V exactly
Neither battery, nor usb are connected.
Only an external 3V3 power supply.
I was sure it would be sufficient, but the test blink app does nothing.
If USB is connected alone, the app works fine.
Edit: there are 3.5V exactly