One problem with all those Arduino variants is, that the pins are different between them. Most of the example sketches are written for the Uno, which is the most common variant. And often the pin ...

//In this Project We will controll 4 relays Remotely with the Help of Radio Frequency (YK04-Rf 315 or 433 Mhz Receiver Module)and its Remote control // Sketch Modified by ...

The damages that can be done by fire are devastating. To prevent causalities or damages, it is necessary to detect the fire, so that warnings can be provided and even automatic fire suppression ...

Water tank overflow is a common problem that results in water wastage, and it's surprising to note that it's not even considered a concern in many households. Though there are many solutions for it ...

If you buy something using links in our stories, we may earn a commission. Learn more. Last week I explained how to use a motion sensor to trigger an event with an Arduino. The event we triggered was ...

The purpose of this project is to provide a 4-20 mA output from a PWM signal generated by a microcontroller. One of the more interesting applications of this circuit would be to replace or to realize ...

The Adafruit Metro RP2350 is a Raspberry Pi RP2350 development board that closely follows the Arduino UNO form factor for compatibility with existing Arduino shields. Key features include 37 GPIOs, a ...

Arduino Portenta H7 Lite is a cost-down version of Portenta H7 STM32H7 that shaves off a little over $30 of the Arduino Pro board by doing without a wireless module nor USB-C video output and opting ...