UT61E bluetooth adapter
thingiverse
BLE adapter to UT61E (or any other DMU with same interface), based on: -HM11 module (or clone, I used bt05-a) -Li-Ion cell with size of about 20x32x5 (one I used was from broken electroncis without markings) -USB C charger module based on 4056 -Phototransistor 5mm and pull up resistor 1k -3.3V LDO -switch (again I used one from broken electrtonics)
Download Model from thingiverse
With this file you will be able to print UT61E bluetooth adapter with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on UT61E bluetooth adapter.