Enfield Cat's Blog: Arduino and other projects.
The ESP32 processor is not natively incuded in the Arduino IDE (Interactive Development Environment) when it is first downloaded. To include it, the ESP32 boards need to be added to the the IDE.
https://dl.espressif.com/dl/package_esp32_index.json https://arduino.esp8266.com/stable/package_esp8266com_index.json https://raw.githubusercontent.com/damellis/attiny/ide-1.6.x-boards-manager/package_damellis_attiny_index.json
C:\Users\<your-userid>\OneDrive\Documents C:\Users\<your-userid>\Documents
On Linux the compiler would not run unless Python serial support was installed and the user has access to the tty USB device(s). Using Ubuntu 22.04, the following commands were used to achieve this:
sudo apt-get install python-is-python3 sudo python -m pip install pyserial sudo usermod -a -G dialup username
When testing on a Linux machine, the serial port to a cp210x USB serial adapter would be discovered and then removed. It appeared the Braille reader was conflicting with the USB cp21x driver, and once that had been uninstalled the serial port worked well.
discovering the serial port being dropped:
sudo dmesg ... [ 581.956292] usb 1-1.2: USB disconnect, device number 5 [ 588.268525] usb 1-1.2: new full-speed USB device number 6 using ehci-pci [ 588.416372] usb 1-1.2: New USB device found, idVendor=10c4, idProduct=ea60, bcdDevice= 1.00 [ 588.416395] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 588.416403] usb 1-1.2: Product: CP2102 USB to UART Bridge Controller [ 588.416410] usb 1-1.2: Manufacturer: Silicon Labs [ 588.416416] usb 1-1.2: SerialNumber: 0001 [ 588.431040] cp210x 1-1.2:1.0: cp210x converter detected [ 588.432368] usb 1-1.2: cp210x converter now attached to ttyUSB0 [ 593.133733] usb 1-1.2: usbfs: interface 0 claimed by cp210x while 'brltty' sets config #1 [ 593.135579] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 [ 593.135664] cp210x 1-1.2:1.0: device disconnected
solution to remove Braille reader
udo apt-get remove brltty
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