Optoisolated Limit Switch Isolator for CNC MachinesDesigned by The Eccentric Workshop in United States of America
International orders (non-North America) are no longer accepted - please order through the eBay global shipping program.
This is an easy to use limit switch optoisolator board. It provides an easy way to limit noise from getting into your GRBLDuino or other CNC controller. Because the optoisolator provides no direct co…Read More…
This is an easy to use limit switch optoisolator board.
It provides an easy way to limit noise from getting into your GRBLDuino or other CNC controller. Because the optoisolator provides no direct connection between the switch and controller, noise introduced into the cables will not propagate to controller and cause issues. Solder jumpers are provided to allow the optoisolators to be Arduino powered instead of requiring separate power.
They are 1.51 x 1.56 x .55 inches or 38.35 x 39.62 x 13.97 mm. The holes are 3.20 mm for M3 screws. Each hole is 4.77 mm from the top and side edges of the board and they are spaced at 29.15 mm center to center.
Available either as surface mount or through hole - they are functionally identical. Available either assembled or as a kit. The surface mount kit requires soldering 6x 0603 components and 3x SOP4 components. Requires an additional 5v power supply to further isolate the switches.
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Orders will ship the next business day at the earliest unless there are custom or built to order items. Orders placed on weekends and holidays will ship as soon as possible. The store will occasionally close and orders placed during that time will ship as soon as possible.
Custom and built to order products are non-returnable and non-refundable. Open or assembled kits are non-returnable and non-refundable. Shipping fees are non-refundable after an order has shipped.
Returns are accepted for defective products and only within 30 days of the order being placed. Contact us prior to returning any items or no refund will be issued. All items will be tested upon receipt and if found to be non-defective, 20% will be deducted from the refund amount. Products found to be damaged will not be refunded. Return shipping is at the customer expense. Shipping fees are non-refundable.
Refunds take 9 to 14 days to process before funds are received.
Refunds will not be issued on digital/downloadable items for any reason. Due to the nature of these products, they cannot be returned.
We will not be responsible for lost, delayed, or damaged packages due to shipping issues or incorrect addresses. Customs fees, taxes, import fees, tariffs, and any other fees are the responsibility of the buyer. All international shipments require a phone number. All orders without a phone number may be cancelled.
Basic support will only be provided through the forum (forum.eccentricworkshop.com) unless paid support is desired. GRBLDuino shields are designed to be operated with GRBL and support is not available for custom software. Only limited troubleshooting is available for kits due to many variables.
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