This circuit is a bit more classic two-transistor flip flop circuit Police Flashing LED lamp made by developing two low-power white LEDs power LEDs more than normal LED current to draw high power transistors in the circuit
Police used in the Age of transistor circuit diagram of the codes, the codes specified in the schema, but you will not find in the market with
VT1, VT2 transistors BD135, BD137 or BD139 or provisions may
VT3 transistor BD136, BD138 or BD140 or provisions may
2sa601 transistor VT4 or provisions may 2sa611
Police Flashing Circuit Era list of ingredients;
| Kod | Tip | değer | adet |
|---|---|---|---|
| C1, C2 | Kondansatör | 47 uF | 2 |
| C3 | Kondansatör | 1 uF | 1 |
| C4 | Kondansatör | 22 uF | 1 |
| R1, R2 | Direnc |
100 ohm
|
2 |
| R5, R6, R8, R9 | Direnc |
10k
|
4 |
| R7, R10 | Trimpot |
22k
|
1 |
| R11 | Direnc |
1k
|
1 |
source: cxem.net/sound/light/light88.php
Published: 2014/02/26 Tags: analog circuits projects, led projects, simple circuit projects
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