Camera Calibration Card
Use this card to perform an automatic calibration of FarmBot’s camera.
Specs
| material | Matte cardstock |
| thickness | 16pt |
| Printing | Front.pdf Back.pdf |
| Price | $1.50 |
| Quantity |
Express - 1
Express XL - 1 |
| Purchase | The FarmBot Shop |
| internal part name | Camera Calibration Card |
| cost | $0.25 |
| notes | 2-sided print |
Component tests
| Test | Description | Target | Tolerance |
|---|---|---|---|
| Print size | Measure the center-to-center distance between two white dots in the same row using digital calipers or a measuring tape. | 30mm | +/- 0.5mm |
| Contrast | Inspect the card for good contrast between the background and the white dots. | Black and white (no gray) | N/A |
| Paper thickness | Measure the thickness of the paper using digital calipers. | 0.43mm (16pt) | +/- 0.1mm |
| Sheen | Inspect the sheen of the card. | Matte | N/A |
| Function | Use the card to perform camera calibration. | Camera should calibrate in a variety of common lighting conditions. | N/A |