||Measure the diameter of the threaded section using digital calipers.
|Electronics box fit
||Check fit in electronics box.
||Button should fit with minimal play such that o-ring is guaranteed to seal.
||Measure the overall length using digital calipers.
||Inspect for the presence of an O-ring under the top flange.
||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.
||Connect wiring harness between button and Pi Adapter Board.
||Button should work, harness should be of adequate length, and connectors should stay firmly attached.
||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.
||Bind a button to a sequence and press the button.
||FarmBot should execute the sequence
||Power on FarmBot.
||The E-stop button should be illuminated