Radxa Zero Pins - 5 V tolerant?

#1

Hello, Radxa Team,

Are Radxa Zero pins 5 volt tolerant? I wonder if I can connect an Arduino Nano without
a voltage divider to TX and RX pins or even an HC-SR04 ultrasonic sensor.

Best regards,

Marlon

#2

This will need hardware engineer to confirm but my gut feeling is no. SoC’s reference manual only listed a few 5V capable GPIO pin so the rest of them are likely not 5V tolerant.

#3

Can I power the board with 5v pin?

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#4

You should be able to do that.

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