To begin with, this article is about Simple 3.6V High Power LED Torch Circuit, it uses a 3.6V battery and is easy to build and the circuit is very easy to understand. The circuit uses only LEDs, one resistor, a switch and a battery; so beginners can also try this circuit and moreover, this circuit […]
Hobby Circuits
Simple Over-Temperature Warning Indicator Circuit
This Simple Over-Temperature Warning Indicator Circuit uses an LED to indicate excessive temperature, as it uses only a few easily available components, making the circuit simple, low cost, and easy to build. The circuit turns ON an LED when temperature rises above a set level like 45°C – 55°C and therefore, it is useful for […]
Arduino Flash Trigger Circuit with Sound Sensor
Nowadays, electronics projects are becoming very popular, especially Arduino based projects are easy to build, because of this the beginners also feel confident. In this project, an Arduino monitors the sound sensor and triggers the camera flash when it detects a sound. So Arduino Flash Trigger Circuit with Sound Sensor is very useful for high […]
Solar Cell Based Camera Flash Trigger Circuit
Photography flash units need correct timing; however, many old flash units do not have trigger input, so a Solar Cell Based Camera Flash Trigger Circuit is useful, as this circuit is very simple as it uses very few components and also it does not need any battery. The circuit operates by detecting light, when the […]
Simple Drummer Sound Circuit using IC 555
Today electronic sound circuits are very popular among the young generation; hence, one such circuit which will benefit the beginners in electronic is a Simple Drummer Sound Circuit using IC 555. This circuit uses the IC 555 timer, which offers a low-cost, readily available solution for sound and timing projects, also its simple design makes […]
Transistor Based Water Level Alarm Circuit
Sometimes the water tank becomes full, but we forget to switch OFF the motor, as a result, the system wastes water; so, this simple Transistor Based Water Level Alarm Circuit is useful, as it gives sound alert when water reaches a level. Moreover, the circuit is cheap and easy to build as it uses very […]





