The soldering iron controller based on arduino that implements PID method to keep the temperature of the iron.

Step by step approach is followed so that any hobbyist or design engineer can have a better understanding of the basic concepts.

Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!

Improved version of the soldering iron controller for Hakko 907 iron. To simplify building the controller, LCD screen is implemented.

On this simple tutorial, we will explore how to discover colors using an Arduino and the TCS 3200 sensor, displaying it on an LCD.

FreeRTOS, simple, easy, robust, and optimised for Arduino IDE. Using FreeRTOS Semaphores to share and protect physical resources.

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

Did you run out of input pins? Don't worry, here is a solution without any shift registers.

Use FreeRTOS (simple, easy, robust, & optimised for the Arduino IDE) to reduce the power required for battery or low power applications.

This micocontrollers laboratory is designed to speed up projects, and make easy and clean connections.

The software library to calculate moon age, sunrise and sunset time.

Easily connect Arduino boards at a great distance over RS485 with Visuino.

Build a treasure chest or use an existing storage box, attach a push-button quadrature rotary encoder (endless spinning dial) and lets go!

Need fast cheap laser rangefinder for your Arduino project? You can use a laser tape measure for this!

Arduino Nano and Visuino: Convert Acceleration to Angle From Accelerometer and Gyroscope MPU6050 I2C Sensor - quick and easy.

In this project, you can measure typically up to 48V. It is recommended to use Arduino digital voltmeter as “0-48V DVM”.

A programmable, portable, rechargeable power supply based on Arduino featuring an OLED display for viewing V.I.P. of projects/prototypes.

ESP8266 Arduino Programming Tutorial - Easy to learn, step by step.

Connect Matrix Keyboard using only 2 Arduino pins by using PCF8574/PCF8574A I2C GPIO - Quick and Easy!

A simple self contained Scalar Network Analyzer. It is used for testing and alignment of RF circuits, including amplifiers and filters.

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

The Companion IC is a very cool looking Clock + Ohmmeter + Capacitance Meter + Diode Tester!

Your personal universal electronics kit. More I/O pins. More devices. More distances. Remote wireless control. No bunch wires.

A homemade semi-automatic antenna tuner for HF controlled by an Arduino Nano.