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UART Serial 16*2 Characters LCD Screen
Character LCD screen is a common display device, we provide 16×2, 8×2, 20×4 with Yellow / Blue black light LCD on iStore. But these LCD need more than 6 pins for controlling and you need to know the control register and time series.
Here we provide the UART Serial LCD module. It can be controlled easily by serial commands, and just need 2 data pins for connection.
We provide 7 commands to control the LCD display, Each command is composed by CMD+[Parameter]+’ ; ‘ . The [parameter] is optional but the ‘ ; ‘ is necessary.
- 1. Clean the Screen
- 2. Set backlight
- 3. Set coordinate
- 4. Send string
- 5. Set the cursor on/off
- 6. Set the cursor type
- 7. Move the cursor
After you send the command, the LCD module will return the message of execution results – ‘O’ means action complete ; ‘E’ means command error. You should send the new command after you receiving the reply massage for LCD module.