Transistor Flasher Circuit Diagram

Use 9v or 12v battery or adaptor for this circuit.

Transistor flasher circuit diagram.

1 in above circuit can the blinker time be adjusted like on for 1sec and off for 1 sec. Both npn transistor you can use of bc547 548 or 2n2222. Circuit diagram blinking led circuit. It can work as well as the use of ic 555 or other transistor circuits.

Power transistors may be added for handling higher current loads. We can create a dancing led circuit by combining many similar circuits which we can use for advertisement boards. Here is a one transistor led flasher circuit which will flash a super bright led. If you want one a lamp flasher circuit using transistors that flashing for general to use.

Can be used on roads for signaling purposes. This circuit can be operated using dc 6 12v supply. This led flasher circuit is very easy and simple and there is no ic used. In the second circuit a power fet is used in place of the npn.

I have many ways but today you see this three of the lamp flasher circuits. The circuit is using single transistor as driver which is taking flash rate from the led 2 which is a self flashing led. The transistors do not necessarily have to be bc547 you may use 2n2222 or similar small signal transistors but it is recommended to always use the equivalent transistors. The two circuits below are typical connections.

Which it has highlights is there are two types of transistor are npn and pnp. In the first circuit a flasher circuit in series with a 220 ohm resistor turns on a power transistor. This circuit basically works on the charging and discharging of capacitors.