Table 5: I2C LCD values multiplied with gradient 1.0281.
| LED That Turns ON | I2C LCD/A (Volt) | Digital voltmeter module/B (Volt) | A multiplied by gradient (Volt) |
| 0 | 14.78 | 15.2 | 15.19532 |
| 1 | 15.00 | 15.4 | 15.4215 |
| 2 | 16.09 | 16.5 | 16.54213 |
| 3 | 17.03 | 17.5 | 17.50854 |
| 4 | 18.05 | 18.5 | 18.55721 |
| 5 | 19.14 | 19.5 | 19.67783 |
| 6 | 20.00 | 20.5 | 20.562 |
| 7 | 20.94 | 21.4 | 21.52841 |
| 8 | 21.87 | 22.4 | 22.48455 |
| 9 | 22.81 | 23.4 | 23.45096 |
| 10 | 23.75 | 24.4 | 24.41738 |
| 11 | 24.69 | 25.4 | 25.38379 |
| 12 | 25.70 | 26.4 | 26.42217 |