Have you tried to install the needed linux headers using the metapackages? apt install linux-headers-generic should search for the correct Veriosn of the linux-headers package. Alternatively you could do apt install linux-headers-$(uname -r) which also should install the correct header files for you...

I need the possibility to use the integrated WiFi in Monitor Mode. Unfortunately i wasn´t able to set the device to monitor mode. i found out that the Ampak AP6212 used on the Neo Plus2 is in fact a Broadcom (BMC43430) WiFi Chip and a Broadcom Bluetooth Chip melted together to a single Chip. For oth...

On the Debug Port is a PWM capable pin. -> 4 UART_RXD0 / GPIOA5 / PWM0