All parts:

detail photo: follow the photo and weld





code download
https://cloud.makerbuying.com/index.php/s/4Ha6sbmzxApGwsQ

how to use?
plug in arduino uno board

log:
2019.10.15
2019.10.12
All parts:
detail photo: follow the photo and weld
https://cloud.makerbuying.com/index.php/s/4Ha6sbmzxApGwsQ
how to use?
plug in arduino uno board
log:
2019.10.15
2019.10.12