To begin with, this article for 6V To12V Lead Acid Battery Charger Circuit explains about a dual voltage battery charger circuit. Lead acid battery needs correct voltage for proper charging, so this charger circuit gives correct charging for both batteries; here, LM317 IC is the main part of the circuit and it gives stable charging […]
DIY Projects
Transformer Based 12V DC 3A Power Supply Circuit
Need a strong 12V DC supply for our electronics projects? then a stable and powerful DC supply is the heart of any electronics project. Also, this Transformer Based 12V DC 3A Power Supply Circuit delivers clean and reliable power and it converts AC mains into smooth DC power and it provides high current with low […]
Regulated 9V Power Supply Circuit using IC 7809
In many electronic projects, we need clean and fixed voltage for proper working, so this Regulated 9V Power Supply Circuit using IC 7809, it takes higher DC voltage and gives stable 9V output. IC 7809 is easy to use and gives safe, constant voltage and also this power supply is very useful for small electronic […]
5 To 20 Minutes Alarm Timer Circuit
Time control is very important in our daily life, sometimes we do forget small tasks; so this 5 To 20 Minutes Alarm Timer Circuit helps us remember. This circuit provides an alarm after a preset time by using the popular IC 555 timer. We can select a delay from 5 to 20 minutes by pressing […]
Mini Condenser Microphone Amplifier Circuit
This mini condenser microphone amplifier circuit is a low cost project that strengthens the weak signal from a condenser microphone to produce a clear output; further it improves the microphones voice signal and provides good audio gain. The circuit works with a small 9V battery and does not require an IC, so anyone can build […]
50Hz Square Wave Generator Circuit using Transistors
This article is for 50Hz Square Wave Generator Circuit using Transistors, here, two transistors switch ON and OFF one by one and outputs blink opposite time. We used no ICs; we require only simple components, and this circuit also helps us understand the basic working of an oscillator. Also, we can change the resistor or […]