Goodbye calibration! Digitization of pH test paper! This is a pH meter that reads the color of the pH test paper.
Project showcase by hminowa
An Arduino Nano used as an IO expander on I2C for ESP8266. For example, add 8 digitals IO and 6 analog inputs.
Project tutorial by Joel Soranzo
In this tutorial, I am going to talk about the PCF8574 8-bit GPIO port extender.
Inexpensive to build but a very useful tool for every electronics laboratory.
Project tutorial by Mirko Pavleski
Make a cheap variable power supply using the buck converter.
Project showcase by Neeraj Rane
Your personal universal electronics kit. More I/O pins. More devices. More distances. Remote wireless control. No bunch wires.
Project tutorial by Steve Massikker
Did your somewhat expensive ($50) soldering iron just die? Well then fix it with another one!
Project tutorial by NoraTheDoggo
Make a Linux distribution that is focused on the development of Arduino and IoT. It's a Distro for Arduino.
Project showcase by CESARMASSARI
A study for a linear measuring device with Arduino and photoelectric rotary encoder.
Project tutorial by fmarzocca
In this project, I am going to make a LAN cable tester with just a few basic electronics components. It cost me just a bit over $3.
This circuit allows for one thermistor input and will output up to four similar values using digital pots.
by Kevin Strain
Control your Commodore C-64, reset C64, select Kernal, BASIC and Charset ROM, SD2IEC device#, info display.
Project tutorial by Oe7Twj
Track display for a Commodore 1541 floppy drive (retro hardware).
Project showcase by Oe7Twj
I wanted to make an electronics learning kit suitable for ages 12 and above. Nothing fancy like Elenco's kits but It can be done at home.
Project tutorial by Ahmed Mo'nis
A simple yet effective demonstrator of a gear pump endorsed with Arduino Nano + MPU6050 accelerometer to measure vibrations.
Project showcase by Team FRBB-MECHELEC
Need fast cheap laser rangefinder for your Arduino project? You can use a laser tape measure for this!
Project tutorial by iliasam
It's an elevator with automatic doors. The code has two FSM, one for the motor that makes it go up and down and one for the automatic door.
This is my 4th tutorial on how to drive a RELAY (not a relay module) with an Arduino.
Incubator that can be fabricated in a typical makerspace at a low cost while achieving the same performance as commercial units.
Project in progress by Biomaker Challenge 2017: Team 41
In this project, you can measure typically up to 48V. It is recommended to use Arduino digital voltmeter as “0-48V DVM”.
Project showcase by KumarB
Get accurate readings for voltage using arduino.
Project tutorial by RoboCircuits
A maker kit designed for Egyptian girls who want to learn electronics.
Project showcase by Team Ethafa
An SPI config change for using a Nokia LCD.
Project showcase by Tom van Loon
I built the right and left mouse buttons with wall switches.
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