Electricity failure is common in many areas, so we need backup light, so this Transistor Based Mini Emergency Light Circuit is simple and with low cost; also it uses few components only and it works automatically when power fails. Therefore, it is useful for homes and small offices and its easy to build even for […]
Transistor Circuits
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 and this circuit is simple as […]
Boost Converter Circuit From 5V to 12V using Transistors
Many electronic projects need 12V power, but sometimes only 5V supply is available, for example from USB, logic board or microcontroller; So, here, this Boost Converter Circuit From 5V to 12V using Transistors is useful which converts 5V DC to 12V DC. This circuit uses simple components such as transistors and an inductor, making it […]
12V to 5V Buck Converter Circuit using Transistors
In todays world power supply plays a very important role, because most electronics need stable 5V DC; but sometimes if the input voltage is high like for example 12V battery or adapter, then we must reduce voltage safely. Therefore, this buck converter reduces the voltage with high efficiency and this 12V to 5V Buck Converter […]
Transistor Based 5V Linear Power Supply Circuit
A power supply is vital in electronics because most circuits require a stable DC voltage. Since the mains supply provides AC voltage, the power supply must convert this alternating current into the direct current that sensitive components rely on to function This Transistor Based 5V Linear Power Supply Circuit gives regulated 5 volts DC and […]
5V Regulated Power Supply Circuit using Transistors
A 5V regulated power supply is very important in electronics because it runs many digital circuits, such as microcontrollers, sensors, and logic ICs; also this 5V regulated power supply circuit using transistors provides a stable 5V DC output. The circuit uses transistors for voltage regulation, which allows it to handle more current than IC regulators, […]