gpio3 doesn't have the the same esd protection as the the other gpio pins, a multimeter probe can deliver a good shock to the system
gpio3 doesn't have the the same esd protection as the the other gpio pins, a multimeter probe can deliver a good shock to the system
Warning I'm not a teacher
This explains why it is working just fine until I touch the pin with the probe. Even though the other probe is already connected to the ground.
Ioannis
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