We used a TI FDC1004 breakout with an Arduino to measure liquid level in a bottle using the capacitance between two adhesive copper strips.
by Team ProtoCentral
Connect up to 10 buttons using a single interrupt.
Project tutorial by Svizel_pritula
Sample code on how to interface with the SN74HC165N IC so as to save data pins when dealing with a large amount of simple digital inputs.
Project tutorial by Matt Moore
Why are even the modern day cars are not equipped with biometric entry system? Here is an attempt on a Toyota C-HR.
Project showcase by Rajeev Velikkal
A symmetric power source for audio amplifiers controlled by the Arduino's PWM with max output +-30v 10A.
Project showcase by Joao_Claro
A battery charge checker on the base of Arduino
Project tutorial by Anton Nogin
Sketch of transistor tester project from Karl-Heinz Kübbeler, so it's much simpler to study, modify, verify and upload to an Arduino.
Project tutorial by plouc68000
FreeRTOS, simple, easy to use, robust, optimised for Arduino IDE.
Full access to FreeRTOS capabilities, within classic Arduino environment.
by Phillip Stevens
More complex microcontroller projects often require a menu-driven interface. This library for XOD can help autogenerate them from a diagram.
Project tutorial by Matthew Hamer
A time switching battery powered solar charged circuit, used to power an Arduino Uno and some peripherals.
Project in progress by Igor Fonseca Albuquerque
Learn the techniques that reduce memory usage allowing your programs to run smaller Arduino based systems.
by John Bradnam
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
How to connect multiple Atlas sensors to a single Arduino serial port.
by Atlas Scientific
Thermistor as thermometer.
Project tutorial by Marcazzan_M
The project shows you how to configure flexibly user variables via Web without hard-coding. Setting Schedule via web is an example.
Project tutorial by phpoc_man
This Arduino-powered Web Oscilloscope supports trigger, and changing voltage/div, offset and time / div. It supports 6 channels.
That's a two-module chronometer for your MTB (or any others sports) to measure your time in a determined circuit!
Project showcase by Gabriele Scordamaglia
Easy way to control variables with one rotary encoder and OLED display.
Project showcase by yilmazyurdakul
The AD7793.h library provided by Analog Devices has been adapted for using on Arduino along with the SPI library.
Project tutorial by iamsolar
A programmable, portable, rechargeable power supply based on Arduino featuring an OLED display for viewing V.I.P. of projects/prototypes.
Project tutorial by Shahariar
How to make a benchtop pH meter with an Arduino Uno and the Gravity analog pH sensor from Atlas Scientific.
Project tutorial by Atlas Scientific
For industries that produce switches and socket and there would be a need to test the mechanical durability and electrical durability.
Project showcase by Ceejay90
Android device controls Arduino's inputs and outputs using USB and serial protocol.
Project tutorial by Projecter
When it sees you, it won't stop following!
Project tutorial by Little_french_kev
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