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STD Creality - Ender 3 Pro - Pin27 Rotary Encoder Fix

License: Public Domain

Mode: Editors' pick

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Update time: 2021-11-29 11:43:34
Creation time: 2019-08-01 18:44:27
Description
This is a revised Pin27 Board, which breaks out Pin 27 for a BLTouch/other Sensor, and adds a Schmitd trigger to help fix the rotary encoder. I have also added PCB Standoff holes, so you can buy/print 11mm standoffs to support the overhanging edge. Ideally this would completly fix the extra noise and inputs that are detected while turning the encoder, but it doesnt. It helps a fair bit though.
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 Female to Mainboard H1 DIP-2X5P-2.54 1
2 Male to Display P1 IDC-10MS (BH-10) 1
3 Male to BLTouch P2 HDR-3X1/2.54 1
4 0.1uF C1,C2,C3 CAP_1206 3
5 10k R1,R2,R3,R4,R5,R6 RES_1206 6
6 SN74HC14NSR U1 SOIC-14_150MIL 1
7 OSHW-LOGOS LOGO1 OSHW-LOGO-S 1

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