Found in a 1980 publication, this circuit triggers a power lamp, making it blink when light hits the sensor. The Sensor is a common LDR. Transistors Q1 to Q5 can be BC548 and Q6 can also be BC548 for lamps up to 60 mA and BD135 for lamps up to 200 mA. The circuit is powered by 6 V and the LDR is of the common round type.
| Clique na imagem para ampliar |
