Circuits DIY – Page 298

A DC variable power supply is one that includes some means for the user to easily adjust the output voltage and sometimes the current. Adjus…

The two-level temperature switch measures two different temperature ranges. After that, the relay turns ON/OFF corresponding to the temperat…

12V to 9V DC-DC converters are an important part of today's electronics. They are commonly used for academic purposes & for the testing/ tro…

DC adjustable power supplies are an integral part of electronics, with the sole purpose of providing pure DC signal to various equipment and…

In this tutorial, we are making a wireless movement monitor circuit. This circuit is based on a pendulum system and it will monitor large ob…

6V to 12V Converters are a common preference of electronic enthusiasts for low-end electronic projects. These small DC-DC converters provide…

Telephone line tester circuit is more like a meter. Also, it is a very simple circuit involving just few resistors, a switch and an ammeter…

The four-level temperature indicator is a circuit that represents different temperature levels through the lighting of four different LEDs…

The telephone amplifier circuit, as its name suggests, amplifies the incoming calls to be heard in a room. while in conversation with a dist…

Would you like to know how to build your own 12V Solar LED Night Lamp? These low-cost LED Lamps are a great low-cost solution for lowering y…

The process of PCB soldering has a great impact on the quality of the finished PCB. Poor soldering practices and bad solder joints can sever…

With the constant development in the domain of consumer electronics; mainly in terms of technology size reduction. Aluminum Core PCB is beco…

A simple adjustable power supply is an electronic device capable of converting a source(either AC/DC) from one voltage level to another. The…

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