PuriBottleWe made some researches about the technical part of the project so we were looking for the components that we need. Then we had to do a shopping list.
| 1 | × | Waterproof Ultrasonic Sensor |
| 5 | × | Real Time Clock |
| 10 | × | Buzzer 5V |
| 10 | × | B3F-1000 Omron Tactile Switch |
| 50 | × | Fairchild Semiconductor PN2222ABU Transistor NPN |
| 1 | × | 7-Segment LED Display - 20mm |
| 1 | × | Adafruit Micro Lipo USB Li-Ion Charger |
| 10 | × | 221 ohm resistance |
| 25 | × | 1k ohm resistance |
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