In this tutorial, we are going to make a “4 transistor audio amplifier circuit”. The amplifier is simple to construct and is adaptable to your individual requirements. This transistor audio amplifier circuit might be ideal … Read more
bc557
Introduction For any device or circuit, both over and under voltages are harmful. Under voltages can generate light flickers while overvoltages can damage the whole device. Understand this by the example of motor, a motor … Read more
Simple Overvoltage Protection Circuit BC557
In this tutorial, we are going to make a “100-watt Inverter circuit 12V to 220V using Transistor”. A power inverter is a power electronic device or circuitry that changes direct current (DC) to alternating current … Read more
100 Watt Inverter Circuit 12V to 220V using Transistor
In this tutorial, we are going to make a “Simple Overvoltage Protection Circuit”. Over-voltages are all voltages that temporarily surpass the threshold value of the mains voltage. Overvoltage protection is a power supply feature that … Read more
Simple Overvoltage Protection Circuit
Introduction: The failure alarm circuit simply produces an alarm when there is a power supply that fails. The battery charger failure alarm is a similar kind of failure alarm that indicates the disconnection of the … Read more
Charger Failure Alarm Circuit
BC557 PNP General Purpose Transistor is designed for general-purpose switching and amplification. PNP transistor in a TO-92; SOT54 plastic package. NPN complement: BC546 BC557 Pinout BC557 Pin Configuration Pin No Pin Name 1 Collector 2 … Read more
BC557 PNP General Purpose Transistor – Datasheet
Introduction Security is an important task to work on in any place. Whether, industries, banks, museums, or homes, it’s important to make every place secure. So, today in this tutorial, we are making a Remote … Read more
Remote Control Door Lock Circuit using Transistors
Introduction In many of our tutorials, we have built different types of amplifier circuits, easier or more complex, and we tried our best to come up with various amplifier circuits that give a clear understanding … Read more
Two Transistor Audio Amplifier Circuit
Introduction Knowledge matures when practically gets executed. It gives a person a clear understanding of various things. So, to understand the process of frequency modulation we are here with the interesting project of Simple FM … Read more
Two Transistors FM Transmitter
An LED flasher circuit is a circuit that flashes the LED i.e. turns it ON-OFF. In this tutorial, we will demonstrate how to make a LED Flasher Circuit with a cheap, easy, and economical design. … Read more
3 Volt LED Flasher Light Circuit using Transistors
A Drone or in more technical terms unmanned aerial vehicles (UAVs) or unmanned aircraft systems (UASs) are an integral part of today’s various businesses and governmental organizations and have managed to pierce through areas where certain … Read more
How To Make A Drone Using An IR Sensor & Transistors – DIY Project
BC557 is a PNP Silicon Planar Epitaxial transistor. These transistors are mostly used in driver stages of audio amplifiers, low noise input stages of tape recorders, HI-FI amplifiers, and signal processing circuits of television receivers. … Read more
BC557 PNP Transistor – Datasheet
A brake Failure Indicator is always an important need i.e. break wire does not break by letting you know I am going to break! So in many cases, we need some indication to slow down … Read more