Introduction: The oscillator as known is a circuit that is used to produce oscillations either sinusoidal or non-sinusoidal at the desired frequency. There are many types of oscillator circuits, RC oscillator is one of its … Read more
2n2222
Introduction If you have ever left a lead-acid battery unused for a long time, you may have found it dead or damaged when you tried to use it again. Fortunately, there is a simple and … Read more
Self-Regulating Battery Charger Circuit
This article presents a simple circuit that protects lead acid batteries from self-discharging, particularly during periods of disuse or non-charging. The circuit prevents self-discharge and ensures that the battery remains fully charged and in good … Read more
Self-Discharge Battery Protection Circuit
Introduction Solar energy is a clean and renewable source of power that has many applications in our daily lives. One such application uses solar energy to power a simple circuit that can be used to … Read more
Simple Solar Plant Watering Alarm Circuit
Introduction In our daily life, we use numerous devices that use a transistor as an amplifier. Certainly, the main purpose of a transistor amplifier is to raise or enhance weak input signals. Nowadays, In the … Read more
2N2222 Transistor Amplifier Circuit
Introduction We are living in a world where wires are decreasing day by day. And, it just did not happen instantly but it was a dream of someone. Nikola Tesla invented the Tesla coil for … Read more
Mini Tesla Coil Circuit
An IR receiver circuit is a simple circuit including an IR receiver and a transistor. In this circuit, the receiver used is a 38kHz transmitter TSOP4838. It receives an IR signal and Turns ON an … Read more
IR Receiver TSOP4838 Circuit
Here in this project, we are making a servo motor tester circuit. Servo motors are simply rotary actuators, enabling accurate control in various embedded device applications of angular orientation, acceleration, and velocity. The servo motors … Read more
Servo Motor Tester Circuit
The 2N2222 is silicon Planar Epitaxial NPN transistors in Jedec TO-18 (for 2N2222A) metal case. It is designed for high-speed switching applications at collector current up to 500mA and features useful current gain over a … Read more
2N2222 NPN General Purpose Transistor – Datasheet
Introduction Learning becomes easier when practically gets implemented. It makes it a person easy to understand things. So, to understand the frequency modulation we are here with the exciting project of Simple FM Transmitter that … Read more
Simple FM Transmitter By Using One Transistor
The circuit referenced here is a bird microphone transmitter that will assist you with listening to the bird songs. Set this device outdoor and hear the lovely voices of birds effectively by sitting at home … Read more
Bird Microphone Transmitter 2N2222 PNP Transistor
What is a Joule Thief Voltage Booster? A Joule thief voltage booster is a circuit that translates a constant low voltage input into a periodic output of a higher voltage. Joule thief circuits can drain nearly … Read more
Joule Thief Voltage Booster Using a Transistor & a Toroidal Transformer
Sound quality is an important factor for any live production or entertainment media, whether it be a small recording session or a full-out live EDM concert. With the new trends in the entertainment industry, it … Read more
How To Make A Simple Bass Booster Pre Amplifier Using 2n2222 Transistor
The dark detector, as its name suggests, detects darkness, in a room. The circuit involved in dark detection is very simple and cost-effective. The main part includes the photoresistor, while, the others are a diode, … Read more
Dark Detecting Circuit using Photoresistor
In this tutorial, we are making a simple project of Water Or Liquid Level Sensor Relay Switch. This circuit will switch on or off electronic appliances at the desired level of water. It detects the … Read more
Water Or Liquid Level Sensor Relay Switch
In this tutorial, we are making a project of a Simple touch switch circuit. It is used to activate a relay instead of an LED and resistor so that you can connect your desired load … Read more