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
There are numerous examples of how to connect button switches via an external interrupt. This example offers an alternative approach.
Project tutorial by ronbentley1
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
One port to read them all!
Project tutorial by Tal O
A very simple but useful device for your lab.
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
"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.
You have a fan, but you don't know how to control it? Then you're right here.
Project tutorial by Monstermotte
Simple to build and useful instrument for your lab.
Inexpensive, precision, autorange capacitance meter with a large range.
Here I'd like to explain the version 2 of my library EMailSender, now allow attachments and support Arduino, esp32 and esp8266.
Project tutorial by Renzo Mischianti
The device is sufficiently accurate and uses minimum number of external components.
A cheap $10 UPDI programmer for Mircochip's new avrTiny processors.
Project tutorial by John Bradnam
I am going to present an easy way to know the values of resistors without reading the color bands on them. You'll never need to guessing!
Project tutorial by Iasonas Christoulakis
Measure and record mains frequency on the SD card along with the timestamp.
Project tutorial by Neeraj Rane
A useful tool for accurately measuring long distances.
How to connect incremental encoders for industrial use with RS-422 interface to an Arduino UNO.
Project tutorial by hwhardsoft
An after-work project conjures you out of the box a precise clock on the windowsill with inexpensive components
Project tutorial by Ingo Lohs
Try GDB debugging on your Arduino Uno without an external debugger, so you can solve those bugs and get your project released!
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