Circuits DIY – Page 327

Timers are an essential part of many electronic circuits or appliances. You can find them in the devices around you such as microwave ovens…

Hey guys, how are you doing?. This weekend when I was pondering about what exciting I can build, on the Esp NodeMcu board, I was struck by a…

Most electronic projects and circuits are incomplete without a power supply, it is one of the most important parts of any project. Today we…

In this tutorial, we are going to make a 1.2 - 57V Adjustable Stabilized Power Supply Using LM317HVK. This power supply is ideal to use in a…

Most of the time we don’t want certain circuits or electronic devices to turn on immediately, in those scenarios we need a delay circuit to…

In this tutorial, we will demonstrate a circuit of a Negative Voltage Generator using a 555 timer IC. Most of the time we need a negative vo…

Usually, there are power supplies with fixed voltages and we use fixed voltage regulator ICs in their circuits but there are times when a va…

This is a circuit of a Three To Four Months Duration Timer which can be adjusted from a few minutes to several months (up to four months). W…

A Mosquito repellent is important for every household and there are different kinds of them. Mosquito repellants like coils, mats, lotions…

In this tutorial, we are going to make a project of a Push button ON-OFF switch using transistors. These switches are commonly used in proto…

This is a circuit of LM317 Single Push Voltage Selection Power Supply. There are lots of other options available for an adjustable power sup…

In this tutorial, we are going to make a circuit of Long Duration Timer (Max Two Weeks Duration). This circuit is adjustable and can work fo…

In this tutorial, we are going to make one of the simplest projects of a temperature-controlled fan. When there will be changes in the tempe…

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