Its a very common 3 axis cnc / laser controller
The left most green is just power out clearly marked - and + on the board
The other green is power input, but cant find pins, it seems your meant to use the barrel jack
best I can find is
from [
www.aliexpress.com]
Edited 1 time(s). Last edit at 07/07/2018 11:10PM by Dust.