When Arduino debuted, most sensors and other interfacing devices ran on 5 volts. This tutorial shows how to hack your 5 volt Arduino board to run on 3.3 volts. It is a simple procedure involving ...

I've tested this code using an Arduino Nano + Level Shifter and it worked like a charm! As I want to design the smallest possible PCB so that it fits into my Fanatec QR Adapter (52mm to 70mm) I want ...

I have two oaks that successfully updated and accepted flashing from arduino via particle.io, however upon some subsequent activities, they've stopped staying connected to wifi. I'd like to try ...

VCC is the power supply pin of the soil moisture sensor that can be connected to 3.3V or 5V of the supply. But do note that the analog output will vary depending on the provided supply voltage. GND is ...

Arduino RFID technology works by using electromagnetic waves in the radio frequency spectrum for wireless communication and data transfer between RFID tags and readers. From supermarket anti-theft ...