How to build a transparent LED clock 

（Materials required）
$2 for 5pcs 1-4 layer PCBs, get $24 SMT coupon here：jlcpcb.com/cyt​​​​​
Get PCB file：x.jlc.com/platform/detail/6a9...
5V 2.1A Mobile Power Diy Board s.click.aliexpress.com/e/_DcG...
802040 lithium battery s.click.aliexpress.com/e/_DDD...
Type-C Connector s.click.aliexpress.com/e/_DCA...
T12 Digital Soldering Station bit.ly/2Thc1EI
NANCH 22 in 1 Screwdriver bit.ly/2NTHCbu
SQ-ES126 Screwdriver bit.ly/3jkWH35
My email：kejidot@gmail.com
Thanks for watching！

Хобби