This circuit is AC Lamp Flasher using SCR which works directly on 230V AC mains. It is simple and is with low cost project so it is useful for decoration light, warning lamp and festival lighting. Basically, the circuit uses SCR for switching and it also uses RC timing network, because of that the lamp […]
LED and Lamps
Audio Controlled Mini AC Lamp Flasher Circuit using SCR
This article is about a simple and low cost project, which we call it is an Audio Controlled Mini AC Lamp Flasher circuit using an SCR. It works with audio signal, when music comes the lamp flashes and when sound increases the lamp glows more. So it follows the audio level for this the circuit […]
Transistor Based Mini Emergency Light Circuit
Electricity failure is common in many areas, so we need backup light. This Transistor Based Mini Emergency Light Circuit is simple and is with low cost. It uses few components only and it works automatically when power fails. Therefore, it is useful for homes and small offices and it is easy to build even for […]
Switch Mode LED Driver Circuit using Transistors
Nowadays, LED is used everywhere, its used in display, in indicator and for decoration purpose also. But LED needs proper current, so if we connect LED direct to battery then it may get damage. So, in this post we have designed a Switch Mode LED Driver Circuit using Transistors. This circuit is simple as it […]
3V Battery Operated Lamp Flasher Circuit
In this article, we will explain about a simple and easy 3V Battery Operated Lamp Flasher Circuit. It is used to flash a lamp using only 3V supply. Usually, low voltage flashing circuits give low output current. However, this circuit gives high current output and therefore, it can drive a small lamp easily. The heart […]
One LED Low Voltage Flasher Circuit using IC LM3909
Low voltage indication is very important, especially for battery operated circuits. Because battery can discharge anytime and so a simple indicator is required. Therefore, this One LED Low Voltage Flasher Circuit using IC LM3909 is designed. It uses only one LED and also uses minimum components and moreover, it works on very low voltage. Hence, […]