Components required to build a digital meter are simple and can be easily found in your local store; the complete list of components is given below. The complete schematic diagram of the Arduino ...

Today digital meters are replacing analog meters in every sector whether its electricity meter or taxi fare meter. The main reason for that is analog meters have mechanical parts that tend to wear ...

Capacitive sensors are widely used to measure various physical and chemical process parameters such as displacement, acceleration, thickness, force, pressure, stress, level and humidity. The measured ...

The Type K thermocouple is the most common type. It’s inexpensive, accurate and reliable and has a wide temperature range. This article shows how to use an Arduino Uno/Nano microcontroller with an ...

The Arduino digital-output pin 6 controls the LED light-strip through a 10kΩ resistor as a buffer, and an extra power supply of 5 Volts powers the light-strip; I added the extra power supply so that ...

LED (Light Emitting Diode) An LED is a semiconductor device that emits light when current flows through it. LEDs are commonly used in electronics to indicate status or provide visual feedback.

In this article you will learn how to make a digital clock using Arduino and the DS1307 RTC IC. What is DS1307 IC actually? Well, it is a Real Time Clock (RTC) IC that is simple to use, low cost and ...

This article presents a simple circuit to convert transistor-transistor logic (TTL) or pulse width modulation (PWM) signal to analogue signal using LM358 operational amplifier. The circuit can be used ...

I have a standard irrigation system with 24VAC solenoids. I have built a simple Arduino + ethernet shield connected to a 4xopto-isolated-relay board for controlling each of my 4 sprinklers. I have the ...