Power supply is very important in electronics and most electronic circuits need stable DC voltage. However, AC voltage comes from mains and therefore the conversion is required. This Transistor Based 5V Linear Power Supply Circuit gives regulated 5 volts DC. It uses simple components, gives high current and is useful for labs and projects. Circuit […]
Transistor Circuits
5V Regulated Power Supply Circuit using Transistors
A 5V regulated power supply is very important in electronics as it is used to run many digital circuits, for example, microcontrollers, sensors and logic ICs. This 5V Regulated Power Supply Circuit using Transistors gives stable 5 volts DC output. It uses transistors for voltage regulation and so it can handle more current than IC […]
Transistor Based LED Strobe Light Circuit
In todays world light effects are very interesting and these light effects are used in toys, decoration and are also used in warning systems. A Transistor Based LED Strobe Light Circuit is a blinking light that turns ON and OFF very fast. Therefore, it looks very attractive and is very useful. This circuit is very […]
Transistor Based Water Level Alarm Circuit
Sometimes water tank gets full which is a common problem But we forget to switch OFF the motor, because of this water gets wasted. So, this simple Transistor Based Water Level Alarm Circuit is useful. It gives sound alert when water reaches a level. Moreover, the circuit is cheap and easy to build as it […]
Simple Two Transistor Buzzer Circuit
A buzzer is a small sound making device that is used in alarms, toys, and indicators. This Simple Two Transistor Buzzer Circuit is very simple and easy to make. It uses only two transistors and therefore, it is good for beginners. Also, it works with low voltage and because of this it is safe to […]
Fan Start 10 Second Delay Timer Circuit
In many homes and industries sometimes a fan does not turn ON immediately. A fan start delay timer is a circuit that delays the fan start. When power is applied the fan stays OFF and after some fixed time the fan turns ON automatically. In this circuit the delay time is about 10 seconds and […]