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STD Simple light sensitivity Metronome using 2N3904
License: GPL 3.0
Mode: Editors' pick
- 0
Update time：
2021-04-09 11:23:03
Creation time：
2017-07-04 10:20:24
Description
This is Simple light sensitivity Metronome circuit. It uses the transistor 2N3904 numbers and 2N3906 make are origin frequency circuit. By the frequency of the sound from a loudspeaker will increase and is down. Read more : [**Simple light sensitivity Metronome using 2N3904**](https://www.eleccircuit.com/simple-light-sensitivity-metronome-using-2n3904/)
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| ID | Name | Designator | Footprint | Quantity | Manufacturer Part |
|---|---|---|---|---|---|
| 1 | 2N3904 | Q1 | TO-92(TO-92-3) | 1 | 2N3904 |
| 2 | 2N3906 | Q2 | TO-92(TO-92-3) | 1 | 2N3906 |
| 3 | 0.01uF | C1 | RAD-0.1 | 1 | 0.01uF(0.1) ±10% 50V |
| 4 | Header-Female-2.54_1x2 | LDR1 | HDR-1X2/2.54 | 1 | Header-Female-2.54_1x2 |
| 5 | 8OHM | SP1 | HDR-1X2/2.54 | 1 | Header-Female-2.54_1x2 |
| 6 | + | - | HDR-1X2/2.54 | 1 | Header-Female-2.54_1x2 |
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