Francesco Salmaso
ITALY • + Follow
Components
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JST PH S3B-PH-SM4-TB_1x03-1MP P2.00mm (J1) |
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EE-SX1330 (U1) |
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0603 resistor 430 ohm (R1) |
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0603 resistor 10 kohm (R2) |
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Description
SE OptoEnd
A compact optical switch sensor using an high speed Omron(R) optical with a fall time less than 30us, used on a machine such as a 3D printer permits an high precision homing point without having to do a second "bump" at a slower speed.
I decided to design a simple optical end stop PCB with only SMD components all on the top layer for easier placement on machines that can be mounted with 2 M3 screws.
Schematic and Layout
://salmasoelectronics.com
Apr 28,2021
754 views
SE OptoEnd
2 Layers PCB 17 x 26.5 mm FR-4, 1.6 mm, 1, HASL with lead, Black Solder Mask, White silkscreen
A small end stop for 3D printers and CNCs, quite and with lower response time than a mechanical switch based end stop.
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Published: Apr 28,2021
Download Gerber file 3
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