r6e
commented
4 months ago I can't find some of my original parts right now, so I'm not sure what the +/- pins are for HE0 and TH1, but since they're reversible it shouldn't really matter too much. Also, I'm not sure how the stepper wire colors map, but I think it's 1A/2A/1B/2B. I'll update the site with the correct information once I'm able to verify.
In the meantime, this is what I have from tracing the toolhead board:
Box connector pins
________________________________
| 2 4 6 8 10 12 14 16 18 20|
| 1 3 5 7 9 11 13 15 17 19|
------------ ------------
1, 2, 4. HE0, left pin
3, 5, 6. HE0, right pin
7. E0 (blue)
8. E0 (red)
9. E0 (black)
10. E0 (green)
11. FAN1+
12. FAN1-
13. FAN2+ (all 3 "FAN2" connectors)
14. FAN2- (all 3 "FAN2" connectors)
15. TH1, right pin
16. TH1, left pin
17. PS1-
18. PS1 (signal)
19. PS1+, LED+ (tied together)
20. LED-
Hi there Awesome work on Neptune 4 you've done. Could you please provide the Extrusion adapter board IDC pinout?