| 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 |
