Circuits DIY – Page 129

In this tutorial, we are going to make a "NiCd Battery Charger Circuit". To charge batteries, we need to put a voltage across the terminals…

So we will learn in this project how to create a constant current sink circuit regulated by voltage. A constant current sink device regulate…

An Overview of HC-SR04 Sensor Ultrasonic sensors are very compact devices used to sense ultrasonic energy. The sensor essentially calculates…

In this tutorial, we are going to make a "9V Dual Power Supply from 3V". Let’s say you need a dual power supply to operate multiple componen…

In this DIY, we are demonstrating a project of Door Bell. This project is easy to build and requires a few components that are easily availa…

Introduction Have you seen in some modern places, the lights get turned ON when you walk or just take a step at that place. These places use…

Here in this project, we are making a servo motor tester circuit. Servo motors are simply rotary actuators, enabling accurate control in var…

An Overview The SHT11 belongs to the SHT1x series. These sensors are fully calibrated and provide a digital output. The SHT1x humidity senso…

Introduction As the name implies, a water level indicator is a system that indicates certain levels of water or any liquid and is therefore…

Introduction If you are willing to build a fire detection device, or an air monitoring system, then unquestionably this tutorial is for you…

SMT PCB Reflow soldering is the modern mechanism for assembling most printed circuit boards today. Reflow soldering enables mass production…

Introduction: Each electronic system operates mainly using a power supply. With the advancement in electronics technology, most of the syste…

We will build a circuit in this traffic light project to control a four-way signal. The 555 Timer IC and a decade counter are equipped for t…

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