Re query in x-carve post

[berserker]

J-Tech 3.8 not working with X-carve

Can anyone help ? I have X-carve , j-tech 3.8w laser & lightburn installed , 1.1g grbl & I can not get the laser working for love nor money ! all settings changed in lightburn as per instructions . Problem is I am only showing 2.15v at the back of X-controller when testing spindle PWM & Gnd with the multimeter J Tech say I need 5v for it to work ! image|400x300 [image] [image] I am at a loss as to why ? They were bought new from Robbosavy Sept 2017 & for reasons I won’t go into I have only…