Print settings
| Material | PLA / PETG (white) |
|---|---|
| Layer height | 0.2 mm |
| Infill | 30% |
| Supports | Not needed — prints flat as oriented |
| Filament | ≈ 5 g total (estimate) |
| Size · reed-switch-spacer-5mm | 36 × 18 × 5 mm |
| Size · reed-switch-spacer-10mm | 36 × 18 × 10 mm |
Hardware
Longer screws than the sensor's own, or double-sided tape
FIT CHECK
Printers vary. If holes are tight, drill them out or add 0.2 mm in the .scad file. Board dimensions follow the makers' published drawings; check yours before a long print.
Printers vary. If holes are tight, drill them out or add 0.2 mm in the .scad file. Board dimensions follow the makers' published drawings; check yours before a long print.
License
Original design by MakerCore Hub, free for personal and educational use under CC BY-NC 4.0. Remix it and share it with credit; contact us for commercial use.
Missions that use it
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A tiny ESP32 sleeps inside your mailbox for months and wakes up only when the flap opens to ping your phone.
Technician
