Push Button O-Ring
These O-rings make a seal between the LED indicators and the electronics box.
![push_button_o_ring.jpg](/v1.7/bom/electronics-and-wiring/_images/push_button_o_ring.jpg)
![push_button_o_ring.jpg](/v1.7/bom/electronics-and-wiring/_images/push_button_o_ring.jpg)
![push_button_o_ring_2.jpg](/v1.7/bom/electronics-and-wiring/_images/push_button_o_ring_2.jpg)
Specs
color | Black |
material | Buna-N |
Price | $0.10 |
Quantity |
Genesis - 5
Genesis XL - 5 |
CAD model | Onshape |
Purchase | The FarmBot Shop |
internal-part-name | LED Push Button - O-Ring |
cost | $0.00 |
Component tests
Test | Description | Target | Tolerance |
---|---|---|---|
Diameter | Measure the diameter of the threaded section using digital calipers. | 21.8mm | +/- 0.2mm |
Electronics box fit | Check fit in electronics box. | Button should fit with minimal play such that o-ring is guaranteed to seal. | N/A |
Length | Measure the overall length using digital calipers. | 40mm | +/- 1mm |
O-ring | Inspect for the presence of an O-ring under the top flange. | Present | N/A |
Waterproof | Drill a hole in a small plastic tub. Fasten the button to the hole and fill the tub with water. | The button should continue to operate when submerged, and prevent water from leaking. | N/A |
Wiring harness | Connect wiring harness between button and Pi Adapter Board. | Button should work, harness should be of adequate length, and connectors should stay firmly attached. | N/A |
Material | Ensure the material will not rust by holding a magnet to the part. | Stainless steel (no magnetic attraction) | Weak attraction to stainless steel is permissible. |
Function | Bind a button to a sequence and press the button. | FarmBot should execute the sequence | N/A |
Illumination | Power on FarmBot. | The E-stop button should be illuminated | N/A |