so i hooked it up to my laser it just squeals and nothin on the lcd i have a red led and 3 green ones

“Kelly Kennemore”

Ray Kholodovsky (Cohesion3D) December 15, 2017 23:17

Did you put the MicroSD Card in the board?

Pics of the board and wiring please.

Kelly Kennemore December 16, 2017 08:20

i got it

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