Circuit Diagram - Easy project : 28 LED flasher circuit using single driver transistor BC547 some experiments can be dangerous for that you don't risk and hurt your self be safe. | Facebook
![circuit design - Transistor BC547 and LED diode like light sensor to work properly - Electrical Engineering Stack Exchange circuit design - Transistor BC547 and LED diode like light sensor to work properly - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/aImB8.png)
circuit design - Transistor BC547 and LED diode like light sensor to work properly - Electrical Engineering Stack Exchange
![Electronic diagram of the photometer. Tr 1 = transistor BC547; LED =... | Download Scientific Diagram Electronic diagram of the photometer. Tr 1 = transistor BC547; LED =... | Download Scientific Diagram](https://www.researchgate.net/profile/Marcos-Brasil/publication/314519689/figure/fig2/AS:470439005822977@1489172808050/Electronic-diagram-of-the-photometer-Tr-1-transistor-BC547-LED-light-emitting_Q640.jpg)
Electronic diagram of the photometer. Tr 1 = transistor BC547; LED =... | Download Scientific Diagram
![DEPOKE Combo Pack of BC547 Transistor, 1K and 100 Ohm Resistor, 5mm Red, Green LED : Amazon.in: Industrial & Scientific DEPOKE Combo Pack of BC547 Transistor, 1K and 100 Ohm Resistor, 5mm Red, Green LED : Amazon.in: Industrial & Scientific](https://m.media-amazon.com/images/I/61jiZjJPsqL._SL1500_.jpg)