Circuit Diagram . Complete circuit diagram for Automatic Fence Lighting with Alarm is shown above. LDR is placed facing towards the entrance and a potentiometer is used to adjust the sensitivity of ...

Light Detector Sensor Circuit Diagram: The circuit of light detector is very simple and easy to build with very few components. As you can see in the LDR circuit diagram , it can be a distinguished as ...

12 Volts light dimmer circuit diagram. The output of IC1b (pin 9) drives the gate of MOSFET T1. When the duration of the pulses at the gate increases, the average time that the MOSFET is in conduction ...

Light sensitive fire alarm circuit and working. Circuit diagram of the light sensitive fire alarm is shown in Fig. 1. It is built around L14F1 photo transistor (T1), BC547 transistor (T2) and NE555 ...

Musical Light Chaser Circuit Fig. 1: Circuit diagram of musical light chaser. Fig. 1 shows the complete circuit of the musical light chaser, while Fig. 2 shows pin configurations of 9V regulator 7809, ...