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STD Grbl PCB complete solution with optocouplers copy

License: GPL 3.0

Mode: Editors' pick

Cloned from Grbl PCB complete solution with optocouplers

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Update time: 2019-07-26 19:24:11
Creation time: 2019-07-26 19:24:07
Description
To get rid of the many internal wires inside my grbl /driver switch box i decided to develop a complete solution with an arduino nano and optocouplers like shown on https://github.com/gnea/grbl/wiki/Wiring-Limit-Switches. I want give the OK's a chance because of bad experiences with alarm triggers due electrical static or magnetism from other machines. Also i plan to make a power distribution board to provide the lower voltages for pi, Arduino, display from the 36V source. The project is still in development because i plan to mill the pcb and checking if hand or autoroutig makes more sense to get an mill proof output.
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ID Name Designator Footprint Quantity
1 ARDUINO NANO U1 ARDUINO_NANO 1
2 OPTO OK1,OK2,OK3 DIP4(opto) 3
3 1k R1,R2,R3 0.25 resistor 3
4 220 R4,R5,R6 0.25 resistor 3
5 5mm ST U2,U3,U4,U8,U9,U10,U11,POWER12V 1x2 5mm Screw Terminals 8
6 WJ2EDGVC-5.08-3P P1,P2,P3 WJ2EDGVC-5.08-3P 3

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