Raspberry Pi3 UART RS232 with TouchScreen

Requierements

• Raspberry Pi https://www.raspberrypi.org/
• TouchScreen https://github.com/goodtft/LCD-show
• MAX232 https://en.wikipedia.org/wiki/MAX232

Hardware

This project use an RS232 with max232 chip for converting data to TTL (TX, RX). RS232 ---> max232 ---> RaspberryPi (TTL RX) RS232 <--- max232 <--- RaspberryPi (TTL TX) Touch Screen bought on amazon: Quimat 8,9 cm TFT LCD with GPIO extension.

• Ground: must be the same for RS232, max232 and the Raspberry Pi, otherwise data on RX will be corrupted.
• Max232 Vcc: 3.3 Volts

Install

• Install python > 3.7.0 https://www.python.org
• pip3 install Pillow
• pip3 install pyserial

Configuration

• Configuration file: nano constants.py
• Screen resolution: CAE mode 9 800x600 60Hz 4:3
• Serial port: Enabled

Distribution

• sh install.sh