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This Raspberry Pi3 project use an RS232 with max232 chip for converting data to TTL (TX, RX). RS232 ---> max232 ---> RaspberryPi (TTL RX). RS232 <--- max232 <--- RaspberryPi (TTL TX). The GUI is display on a TFT LCD with GPIO extension.

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DonavanMartin/RaspberryUART

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Raspberry Pi3 UART RS232 with TouchScreen

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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

Configuration

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

Distribution

  • sh install.sh

About

This Raspberry Pi3 project use an RS232 with max232 chip for converting data to TTL (TX, RX). RS232 ---> max232 ---> RaspberryPi (TTL RX). RS232 <--- max232 <--- RaspberryPi (TTL TX). The GUI is display on a TFT LCD with GPIO extension.

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