In this tutorial, I am going to talk about the PCF8574 8-bit GPIO port extender.
This is a simple square-wave generator that basically uses the TimerOne library allow you to generate a PWM signal at pin 9.
Project tutorial by Mirko Pavleski
On this simple tutorial, we will explore how to discover colors using an Arduino and the TCS 3200 sensor, displaying it on an LCD.
Project tutorial by MJRoBot
There are 20 predefined wire sizes to choose from and/or one can also enter in custom sizes including their bobbin size.
Project in progress by Ray Richter
Improved version of the soldering iron controller for Hakko 907 iron.
To simplify building the controller, LCD screen is implemented.
Project tutorial by Alexander
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
A useful tool for accurately measuring long distances.
If any of the projects you create are designed for portability or remote monitoring use, it usually requires the use of solar panels.
Project tutorial by Iasonas Christoulakis
Using an ATtiny1614 microcontroller with LiPo battery, including USB charging circuitry and logic. It is programmable with Arduino IDE!
Project tutorial by marcozonca
Build a 6x6 grid with an MPR121, expanding possible inputs from a mere 12 to 36!
Project tutorial by Arduino “having11” Guy
Standalone PC software to use your Arduino as an oscilloscope, supports up to eight channels, at rates up to 100 kHz.
Simple to build and useful instrument for your lab.
Inexpensive to build but a very useful tool for every electronics laboratory.
Inexpensive, precision, autorange capacitance meter with a large range.
MOTOR DRIVER L293D FOR DIY ROBOT KITS MADE BY SDTECH ROBOTICS L293D MOTOR DRIVER FOR 5-12V motor
Project tutorial by Shubham Devkar and Arbaz Khan
Another simple to build useful instrument in you lab.
This project uses a micro SD card to store a text file and print it out to a 16x2 liquid crystal display.
Project tutorial by millerman4487
Use the latest ATtiny processors in the Arduino Environment. These have the memory capacity of ATmega chips in smaller and cheaper packages.
by John Bradnam
You'll learn how to create an automation system to communicate 3 Arduinos via RS485.
Project tutorial by Moreira
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.
Showcasing our spot welder, which is controlled by an Arduino Nano.
Project tutorial by Michael Marinis and PCBWay
This code performs FFT with good accuracy.
Project tutorial by abhilash_patel
Discharge a fully charged Lithium-Ion cell through a resistor while measuring the current flowing through the resistor to calculate capacity
Relay VS Transistor.
Project tutorial by mdraber
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