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If you need an USB to UART converter, and so happened that you have a Blue Pill STM32, you could turn it to the converter by flashing the firmware from github.com/Gigasitron-xcross/STM32SerialConverter . It is easy and work with baud rate 9600 to 921600.

If you are having problem to detect your STLINK, here is the method.

This is an OpenCV project that read Camera frame to frame and display it on a win form in visual studio community 2022 C /CLI OpenCV libraries: github.com/opencv/opencv/releases/tag/4.7.0 The code can be downloaded from: github.com/Gigasitron-xcross/OpenCVStream

Embedded System architecture introduction absolute for beginner

You may get the code from my Github: github.com/Gigasitron-xcross github.com/Gigasitron-xcross/CSharp_SerialPort.git

If you are familiar with ROS, you most probably need more than one UART for data communication. RPI4 has 4 UARTs can be used.

Source code: github.com/Gigasitron-xcross/ESP32_VL53L0.git

This is a video to show you how to configure XCROSS AIR module in a seamlessly easy way. Check it out at www.gigasitron.com/blog/index.php?/archives/1-ESP32-Module-With-BLE-VR-Controller-and-WiFi-P2P.html