First, upload the following PWM sketch to your Arduino Uno r3/Nano v3 and connect a 10mm water-clear green LED to D9. const int ledPin = 9; // Test LED wire to D9 void setup() { // Set the pin as a ...

Did you know that you can use Arduino to turn on an ... board from the power supply or USB. /* sketch 2 turn on a LED when the button is pressed and let it on when the button is released */ int ...

[Hans Peter] wanted to move away from using full Arduino ... for the USB instead of using a mini-B jack. It’s pretty impressive to see his prototyping work with the 16-pin QFN package.

Arduino enthusiasts ... and integrity of both USB and RJ45 network cables and will identify the exact wiring configurations as well as diagnose broken wiring, and plug pin connections.