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Std EditionWash Your Hands
License: Public Domain
Description
This project measures the distance with an HC-SR04 and when your hands are near a pump dispencessome soap. After that a led is lit for 20 seconds so you have the exact time needed to wash your hands.
For more info: http://lucstechblog.blogspot.com
Documents
Sheet_1
Open in editor| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Pump | U2 | NONE | 1 |
| 2 | 220 Ohm | R1,R2 | TO-220-2 | 2 |
| 3 | 100 Ohm | R3 | TO-220-2 | 1 |
| 4 | TIP120 | Q1 | TO-220 | 1 |
| 5 | WeMos D1 Mini | U1 | WEMOS D1 MINI PRO | 1 |
| 6 | LED RED | NO | LED1206-RD | 1 |
| 7 | LED Green | NO | LED1206-RD | 1 |
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