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All Projects → abhra0897 → stm32_tiny_monitor

abhra0897 / stm32_tiny_monitor

Licence: other
A tiny external monitor for PC using STM32 and ST7789. Connects to PC over USB and displays the captured screen on ST7789 (240x240) display.

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usbdisplaystm32bluepilllibopencm3stm32f103st7789

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STM32 Tiny Monitor

A super tiny monitor for your PC, suitable for your pet ant.

A python script sends the captured screen over USB to the STM32 microcontroller, then that data is displayed on ST7789 display. FPS is not that high, but I made it good enough after several optimizations.

TinyMonitor demo

I made this project because I'm learning USB now and this is a fun project to practice USB stuffs. I still know almost nothing about USB. To get started, follow this tutorial: https://medium.com/@manuel.bl/usb-for-microcontrollers-part-1-basic-usb-concepts-519a33372cc9

Parts:

  • STM32F103 MCU (Bluepill)
  • ST7789 SPI Display (240x240 resolution)

How to use:

  1. Compile the firmware and flash the microcontroller
  2. Follow the instruction in host_python_scripts folder to run the host software.
  3. Connect microcontroller to PC using USB cable. Host software will start the stream.
  4. Enjoy your tiny monitor :)

Demo:

  1. https://youtu.be/5AGjsRObFtk
  2. https://youtu.be/oFxuoMdBxJk

TODO:

  • Optimize the device (mcu) firmware. Buffer the incoming packets befoe sending to SPI bus.
  • Write host software in C/C++ to get higher performance

Feel free to modify the code and do whatever you want with this useless project.

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