SaimShuja

// This is the clear code for CH376S UART communication. 

#include <SoftwareSerial.h>

byte USB_Byte;               //used to store data coming from the USB stick
int LED = 13;                //the LED is connected to digital pin 13 
int timeOut = 2000;          //TimeOut is 2 seconds. This is the amount of time you wish to wait for a response from the CH376S module.

SoftwareSerial USB(10, 11);                           // Digital pin 10 on Arduino (RX) connects to TXD on the CH376S module
                                                      // Digital pin 11 on Arduino (TX) connects to RXD on the CH376S module

SaimShuja

import framebuf

'''
from machine import Pin, SPI
vspi = SPI(2, baudrate=1000000, polarity=0, phase=0, bits=8, firstbit=SPI.MSB, sck=Pin(18), mosi=Pin(23))
import sh1107
oled = sh1107.SH1107(64, 128, vspi, Pin(27), Pin(33), Pin(14))
oled.text('hello', 0, 0, 1)
oled.show()
'''