02-14-2024, 01:11 AM
there two way:
1. use by serial display, you can connect to GSM interface's RXD,TXD pins.
2. use SSD1306 i2c bus display, just connect to i2c SDA and SCL pins.
1. use by serial display, you can connect to GSM interface's RXD,TXD pins.
2. use SSD1306 i2c bus display, just connect to i2c SDA and SCL pins.