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STD Automatic Day Indicator Circuit
License: GPL 3.0
Mode: Editors' pick
- 0
Update time：
2021-04-11 08:06:12
Creation time：
2018-01-09 12:37:18
Description
This is Automatic day indicator circuit, with LED display each day one by one LED. Which use the principal of light-activated in the day with sun. To set an LDR-sensor and CD4017 acts as drive LED of 7 pcs for 7 days there. Read more : [**Automatic Day Indicator Circuit**](https://www.eleccircuit.com/automatically-day-indicator/)
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | BFY51 | Q1 | TO-92(TO-92-3) | 1 |
| 2 | 4017 | IC1 | DIP-16 | 1 |
| 3 | 470uF | C1 | CAP-TAN-S2.5 | 1 |
| 4 | 22uF | C2 | CAP-TAN-S2.5 | 1 |
| 5 | 20K | VR1 | RES-ADJ_3386P | 1 |
| 6 | 1K | R1 | AXIAL-0.3 | 1 |
| 7 | 10K | R2 | AXIAL-0.3 | 1 |
| 8 | 204-10UYC/S530-A3 | LED1,LED4,LED5,LED6,LED7 | LED-3MM/2.54 | 5 |
| 9 | 204-10UYC/ | LED2 | LED-3MM/2.54 | 1 |
| 10 | 204-10 | LED3 | LED-3MM/2.54 | 1 |
| 11 | Set Day | S1 | NONE | 1 |
| 12 | V+ | 9V,GND | V+_R | 2 |
| 13 | LDR1 | R3 | AXIAL-0.3 | 1 |
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