Bluetooth Box for 3D Printer
Description
It's a bluetooth adapter that plugs into the USB port of the printer. It works exactly like Pronterface using a serial terminal app on a phone to control the printer. The app I use is Serial Bluetooth Terminal for Android. It has macro buttons that you can assign m-codes to. For iOS the app is called Bluefruit Connect. There are two micro controllers in the box. A Teensy 4.0 handles the USB connection with the printer and a Adafruit Itsybitsy nRF52840 provides bluetooth connectivity. The code serial.ino is for the Teensy, and bleuart.ino is for the nRF52840. Both programmed from Arduino IDE. This is mostly just something I made for myself. I'll be happy if anyone else finds it useful.
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