Goodbye calibration! Digitization of pH test paper! This is a pH meter that reads the color of the pH test paper.

An Arduino Nano used as an IO expander on I2C for ESP8266. For example, add 8 digitals IO and 6 analog inputs.

A small device that will help you sorting resistors without wasting time with their color code.

Writing only Arduino code, it is easy to set up control over experiments and display results on your PC's panel application.

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

Today we are going to learn about touch switch based on TTP223.

Shows to visually impaired or ignoring the resistors colour code or lazy techs, either the exact value or value in E12 or E24 series

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

Dear friends welcome to another tutorial! Today we are going to learn how to use this analog voltmeter with Arduino.

Embedis is a library for creating simple embedded key-value servers using non-volatile storage like NVSRAM, FRAM, FLASH, or EEPROM.

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

Controlling power to the system using alarms based on voltages!

Make your own mini oscilloscope at home. It’s simple and easy to do!

AKA how to build your own laboratory vortexer without spending a lot of money.

Showcasing our spot welder, which is controlled by an Arduino Nano.

Single tap, double tap, triple tap, four-tap, Hold, Single tap and hold.

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

Inexpensive to build but a very useful tool for every electronics laboratory.

Using the built-in Arduino EEPROM to save and restore values - Quick and Easy.

A bit more accurate than __TIME__.

Analyze the responses of a bandpass Butterworth and Chebyshev1 filter deployed to an Arduino Nano from the Wolfram Language.

Control your Commodore C-64, reset C64, select Kernal, BASIC and Charset ROM, SD2IEC device#, info display.

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

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