Sometimes you need to generate a analog signal from a digital source a DAC or a digital to analog converter helps you do this.

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.

This project will show you how to transmit variables to control a servo motor.

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

Work with AT Commands using your SIM800L module.

We will teach you that it is possible to write only one Serial.print line to display several messages.

Easy to use interrupting thread handler. Does not relay on yield() or delay(ms) for switching and no pre-allocated stack needed.

Program Arduino boards without using traditional USB cables.

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

Connect up to 10 buttons using a single interrupt.

This project demonstrates the working with Shift Register.

Tester may block hardwired sensors of common burglary alarms and access systems so protected zone is open, even if the system's in arm mode.

A simple tutorial on programming ATtiny microcontrollers with an Arduino Uno.

IR receiver and a buzzer.

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

This project illustrates switching using a transistor.

A single Arduino Uno/Mega can carry up to 14 RS-232 boards. Each board is distinguished by ID, which is set via a DIP switch.

Servo!!! The motor for Robots

How to make a graph from an analog input with Processing and Arduino.

Using a IR proximity sensor and microcontroller to find the local values of 'g' and will plot a real time damping curve.

PLC IEC-61131-3 ladder programming >>> Modbus TCP/IP >>> PID tuning >>> HMI >>> Wiring diagram.

How to use the ArduiBox Open DIN rail enclosure set for Arduino Nano, UNO and Yun Rev 2.

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