Learn how to create a circuit to increase the electrical current of the Arduino pins to activate loads that need more electrical current.

In this article, you will learn how to implement a feature to monitor the real-time clock battery and prevent problems in the circuit.

How to connect A6 GSM GPRS module with Arduino and also work with “AT” commands.

Max out the analog input channels with six 10kΩ potentiometers.

Voltmeter can measure voltage up to 50VDC. It automatically calibrates when voltage of power supply is unstable.

Control a brushless DC fan with an N-Channel MOSFET.

Display an output on the LED bar graph based on the serial command received from the host.

Take input from a 16-key keypad and send it to the IDE's built-in Serial Monitor.

RS-485/RS-422 shield, Arduino Uno and Modpoll (Linux).

This 'Arduino Fast Power-MOSFET Driver Cookbook' demonstrates three inexpensive options to drive large Power MOSFET's fast.

Servo!!! The motor for Robots

An arduiNOOB friendly tutorial for beginners on daisy-chaining.

Arduino and Python-based project that will help us read the sensor values and plot it on MATLAB.

A quick and compact Arduino Nano setup with four DIP switches to allow for mode selection. Power is provided by CR2032 battery package.

Receiving and sending the digital and analog signal through AD5669 interface with Arduino to detect the A/D pulses.

A quick tutorial on how to interface the voice recognition module with few examples.

Achieve up to 60% saving on program memory space using Shox96 Guaranteed Text Compression Library for Arduino Uno and upwards.

Probably the most useful Arduino project I've ever made! A automatic tester for a product I sell.

Use the IO Expander and Relay Expander with the Arduino to control up to 65,280 relays!

Serial communication between Thorlabs PM101 power meter and Arduino.

This project is a continuous variator of supplied power for power tools, lights or heating. Works universally for AC or DC power supplies.

Easily send commands from Python3 versions to Arduino.

Electric vehicles are new enough to wonder, how long will they last? This is not a simple question, because it depends on a lot of things.

Measure the juice left in your AA or AAA batteries anytime using an Arduino Uno and a couple of jumpers.