Original Circuit Diagram: Arduino UNO R3. Now, have a look at our favorite Arduino UNO to find out the AVR chip inside. It is ATMega328P-PU, a low-power version of the traditional ATMega328-PU. The P ...

This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

I use that in a lot of Circuit VR posts so you can click on a circuit and see it live. However, the simulator does not save the source code in the virtual Arduino. You have to do that yourself.

Over on Adafruit, they show you how to build your own that hooks into IFTTT so you can be alerted any way you like when the door opens. The system here uses a cheap Arduino board, a few sensors ...

If you want to make your own USB to Serial Converter Module, then refer this tried & tested circuit diagram of the USB to Serial Converter (FTDI) module. ... to start a simple robotic project using an ...