February 23, 2023
Description
I used black and transparent PETG for part printing.
Electronic parts are :
The COB led isn't used at full power. Output voltage of the step-up module is adjusted to obtain the right brightness without burn neither eyes nor Mt3608.
I plan to update (one day...) the step-up with a LiFePO4 charge driver, cell protection and step-up on the same board, with USB-C connector in place of the jack.
License:
Creative Commons — Attribution — Noncommercial — Share Alike
11