LED logo box by pietrek_ 3d model
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Thingiverse
LED logo box by pietrek_

LED logo box by pietrek_

by Thingiverse
Last crawled date: 3 years, 3 months ago
Summary
Redesigned TeachingTech logo box.https://www.thingiverse.com/thing:3034821
Components:
motion triggering (Mini HC-SR505 PIR)
switch (KCD11 Mini 3A 250V)
usb-c charging (5V 1A TP4056 USB C)
based on ATTINY85 micro USB board from Digispark
2 x Panasonic NCR18650B 3400mAh rechargeable batteries
2 x battery box, rectangular with plates for 18650
4 x 6x2mm neodymium magnets
4 x short M3 screws
Additionally, you will need a 220x220mm front cover, fixed with magnets.
PET-G, ABS or ASA preffered because of charging temp (you can limit the charging temperature by changing the TP4056 configuration resistor, it will limit the charging current).

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