Add an external S-meter on any Icom amateur radio transceiver that has a CI-V control port.
Project tutorial by ddufault
A simple circuit for measuring electrical current with Arduino.
Project tutorial by Giovanni Carrera
Calibrating Atlas Scientific's EZO pH sensor using Arduino Uno.
by Atlas Scientific
Allows an Arduino board to deal with keypad 3 * 4 using one wire.
Project tutorial by kaaoda
Calibrating Atlas Scientifc's EZO D.O sensor using Arduino Uno.
An ultimate tutorial for beginners on how to connect and use an ESP8266 via Arduino and program it to blink an LED using the Blynk app.
by Inventor Niv
In this project, we will learn to build an IR sensor module with transistor and an Arduino as well.
Project tutorial by Manikantsavadatti
How to connect multiple Atlas sensors to a single Arduino serial port.
A simple project, involving transferring value of a sensor, which is connected from one Arduino to another, and getting a required result.
by Chandran N
Sometimes you need to generate a analog signal from a digital source a DAC or a digital to analog converter helps you do this.
by Vimanse Dissanayake and Chathura Yapa Bandara
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.
Project tutorial by EasyMades
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.
by 3 developers
Easy to use interrupting thread handler. Does not relay on yield() or delay(ms) for switching and no pre-allocated stack needed.
Project tutorial by Adamb314
Program Arduino boards without using traditional USB cables.
by Shubham Shinganapure
Voltmeter can measure voltage up to 50VDC. It automatically calibrates when voltage of power supply is unstable.
Project tutorial by IoT_hobbyist
Connect up to 10 buttons using a single interrupt.
Project tutorial by Svizel_pritula
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.
Project tutorial by Cezarjar
A simple tutorial on programming ATtiny microcontrollers with an Arduino Uno.
by Arnov Sharma
IR receiver and a buzzer.
RS-485/RS-422 shield, Arduino Uno and Modpoll (Linux).
Project tutorial by Alf81010
This project illustrates switching using a transistor.
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