`ValueError: must specify all of sck/mosi/miso`
In my project, I don't need to use miso, so I need to assign it to a pin of the GPIO ports that is not used by any component of the ESP01 module.
I am using the lastest MicroPython firmware (v1.18), esp8266-1m
Here is the pinout of the ESP8266EX microcontroller for reference:
![Image](https://brian.tw/wp-content/uploads/2020/07/esp8266ex-1-1024x1024.png)