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Lighting ( LED ) Control in this circuit design from IC 555 . Astable circuit Output of IC555 (pin 3) connect with transistors BC307 for control current by use on/off BC307
| The LED lighting Control circuit show in figure 1 |
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Figure 1. Schematics of LED lighting Control | |
Data Support
Toff = 0.72*R3*C1 ******** (1) |
| Ton = 0.72*[Rt+R3]C1 ******** (2) |
Data sheet of BC307
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