It turns out it was a problem with the oscilloscope.

Thank you. I have posted my question on the Armbian forum also. Maybe somebody there has an advice.

Use those resources for start: https://docs.armbian.com/User-Guide_Armbian_overlays/ https://github.com/bitbank2/ArmbianIO https://forum.armbian.com/ https://github.com/sgjava/java-periphery https://groups.google.com/g/linux-sunxi Hi. Can you please detail what I should look for? Regarding the devi...

Hello. I am using the NanoPi NEO Core board to communicate via UART1 and UART2 ports. I configure the ports using Python - pyserial. This is my configuration code: import serial com = serial.Serial( port = '/dev/ttyS' + str(port), baudrate = 115200, parity = serial.PARITY_NONE, stopbits = serial.STO...

Thank you for your suggestion. Unfortunately, I cannot use the "gpio -g mode" command, because GPIOs 35, 64 and 66 do not have BCM values assigned to them, as seen in my question. Maybe the Linux device tree needs to be modified in order to define these pins as regular GPIOs? If so, then h...

Hello. I am using the NanoPi NEO Core board with the Mini Shield for NanoPi NEO Core/Core2. I am trying to configure some GPIOs using the RPI.GPIO_NP library and Python 3.7.7. This is the code I am using: import RPi.GPIO as GPIO GPIO.setmode(GPIO.BOARD) GPIO.setup(7, GPIO.IN) # Does not allow adding...