PWM pins work the same way across all Arduino boards, so you don't need to go out of your way to buy a Mega if you already have a board supporting PWM. On the Uno, Nano, and Mini, the PWM pins are ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

PWM pins work the same way across all Arduino boards, so you don't need to go out of your way to buy a Mega if you already have a board supporting PWM. On the Uno, Nano, and Mini, the PWM pins are ...

Then define the ATtiny85 IC pins where push buttons are connected. Here we named these buttons Facebook, Windows, and Gmail as these push buttons will be used to login to Facebook, Windows, and Gmail.

The PWM output pins can control small motors or servos, enabling movement and interaction. 5. Educational Tools: Use the Gemma as an educational tool to teach programming and electronics.

While you hopefully don't need one-button access to 911, a desk-mounted panic button is undoubtedly cool, and it makes for a great DIY Arduino project. You'll need a prepaid SIM card, an Arduino ...