MicroPython for ESP32 GPIO主要说明如下: 可以用的IO为0-19, 21-23, 25-27, 32-39; 1和3分别为UART0的TX和RX,即烧写和默认调试用的端口; 6~11不推荐使用,因为这几个口接了烧录程序用的flash; 34~39只能设置为输入模式,并且没有内部上拉电阻; 这个地方说明其实和官方文档有点出入,原因是使用的ESP32芯...
Re: ESP32 GPIO Configby Sprite » Fri Sep 07, 2018 2:44 am Yes. Note that some pins are already in use for other things (e.g. the GPIOs the flash is connected to) and some GPIOs are input-only; aside from that, the GPIO matrix allows you to use any pin for these functions...