Knife sharpening stats
Knife sharpening stats (kss) is used to measure the angle of a knife while sharpening on a whetstone. Desired angle is set via bluetooth (phone app). LEDs are displaying if your angle is in specified range.
Figure 1. Debugging kss v0.2.0
1. Demo
2. PCB
v0.2.0
Figure 2. kss v0.2.0 - front
Figure 3. kss v0.2.0 - back
3. Phone app
Figure 4. kss phone app - calibrated sensor
Figure 5. kss phone app - options
Figure 6. kss phone app - light/dark theme