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Editor Version
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Standard
1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
Profession
1.Brand new interactions and interfaces
2.Smooth support for design sizes of over 30,000 devices or 100,000 pads
3.More rigorous design constraints, more standardized processes
4.For enterprises, more professional users
Description
This is a little timer you can put next to your sink in the kitchen or bathroom. When you wash your hands, wave your hand in front of the IR detector, and it will count down 20 seconds to make sure you wash your hands for long enough. Stay safe and healthy!
Documents
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 8.3uF | C1 | RAD-0.2 | 1 |
| 2 | 10nF | C2 | RAD-0.2 | 1 |
| 3 | 10uF | C3 | RAD-0.2 | 1 |
| 4 | 1N4148 | D1,D2 | DO-35_BD2.0-L4.0-P8.00-D0.5-FD | 2 |
| 5 | NAR141SH | LED1,LED2 | LED-SEG-TH_10P-L10.0-W12.9-P2.54-S7.52-TL | 2 |
| 6 | LED-TH-5mm_IR | LED3 | LED-TH_BD5.0_RED | 1 |
| 7 | PT-TH-5mm_IR | PT1 | LED-TH_BD5.0_RED | 1 |
| 8 | BS170 | Q1 | TO-92-3_L4.9-W3.7-P1.27-L | 1 |
| 9 | 2N3904(TO-92) | Q2,Q3 | TO-92-3_L5.1-W4.1-P1.27-L | 2 |
| 10 | 2N3904 | Q4 | TO-92-3_L5.1-W4.1-P1.27-L | 1 |
| 11 | 5.1k | R1,R13 | R_AXIAL-0.4 | 2 |
| 12 | 100k | R2,R3 | R_AXIAL-0.4 | 2 |
| 13 | 10k | R4,R5,R11,R12 | R_AXIAL-0.4 | 4 |
| 14 | 4.7k | R6 | R_AXIAL-0.4 | 1 |
| 15 | 220 | R7 | R_AXIAL-0.4 | 1 |
| 16 | 68k | R8 | R_AXIAL-0.4 | 1 |
| 17 | 33k | R9 | R_AXIAL-0.4 | 1 |
| 18 | 10k OR 15k | R10 | R_AXIAL-0.4 | 1 |
| 19 | 1k | R17,R18,R19,R20,R21,R23,R24,R25,R26,R27,R28,R29,R30 | R_AXIAL-0.4 | 13 |
| 20 | 150 | R33 | R_AXIAL-0.4 | 1 |
| 21 | NE555P | U1 | DIP-8_L9.8-W6.6-P2.54-LS7.6-BL | 1 |
| 22 | CD40192BE | U2,U6 | DIP-16_L19.2-W6.6-P2.54-LS7.6-BL | 2 |
| 23 | SN74LS247N | U3,U5 | DIP-16_L19.2-W6.6-P2.54-LS7.6-BL | 2 |
| 24 | USB4085-GF-A | USB1 | USB4085-GF-A | 1 |
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