Implementing switches can be troublesome. This article offers a solution for configuring many mixed type switches at the same time.
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
3-channel voltmeter with the ability to measure both negative & positive voltages on the same circuit or 3 different circuits simultaneously
Project tutorial by Shahariar
An example sketch that will read a simple toggle switch reliably, irrespective of the circuit design.
Project tutorial by ronbentley1
There are numerous examples of how to connect button switches via an external interrupt. This example offers an alternative approach.
If you need to debug your Arduino WifiNINA project remotely, plot charts of monitoring data, and more, this is the project for you...
Project tutorial by arduinocc
Relay VS Transistor.
Project tutorial by mdraber
Discharge a fully charged Lithium-Ion cell through a resistor while measuring the current flowing through the resistor to calculate capacity
DDS (Direct Digital Synthesis) Analog Devices AD9959 4-Synchronized Channels DDS Arduino Shield for Arduino MEGA 2560
by Grisha Anofriev
Interface an Arduino Mega with an IDE drive or CF Card! It is easier than you might have thought!
by Doctor Volt
Program an AVR-IoT WG board externally instead of the onboard debugger. I had to workaround as I bricked my nEDBG debugger on my AVR-IoT WG.
This function performs FFT with very good speed while maintaining accuracy.
Project tutorial by abhilash_patel
One port to read them all!
Project tutorial by Tal O
A very simple but useful device for your lab.
It is a visual representation of qubits entangled or not. Qubits are simulated with an Arduino firmware, by a biased randomness & collapsed.
Project tutorial by Jose Romaní
This device serves for accurate measurement of small resistances in the range of 0.1 ohm up to 50 ohms.
You'll learn how to communicate two Arduinos via RS485.
Project tutorial by Moreira
This is a BMS charger that would be as universal as possible for testing Li-ion or LifePo4 cells.
Project in progress by philippedc
How to Use a Digital to Analog Converter Aptinex DA4C010BI
"how to hook NRF24 Modules with an Arduino Correctly without killing the module"
Project tutorial by Arnov Sharma
Another simple to build useful instrument in you lab.
Arduino thermometer with alarm, coded using ardublock and freeRTos for multitasking
You have a fan, but you don't know how to control it? Then you're right here.
Project tutorial by Monstermotte
Having a high power digital dimmer which can be controlled with Arduino is a treat to have, I use it to control my heat gun and drill.
Project tutorial by Tanishq Jaiswal
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