Touchless Soap Dispenser
ReadyA pump that runs when a hand comes near, so nothing has to be touched to use it.
40 minIntermediate6 steps6 parts
What you'll learn
- Trigger and echo
- Distance measurement
- PWM and servo control
- Conditional logic
Build steps
- Check your kit3 min
- Bring power to both rails4 min
- Wire the distance sensor8 min
- Wire the servo8 min
- Build the lamp7 min
- Upload and hold out a hand10 min