Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

It has enough components for 15 projects and a convenient Uno R3 pin-out chart. Available at Amazon This kit includes more advanced components with a much smaller, budget-friendly price tag.

It has enough components for 15 projects and a convenient Uno R3 pin-out chart. Available at Amazon This kit includes more advanced components with a much smaller, budget-friendly price tag.

Best Arduino kits Arduino Starter Kit This kit features the Arduino Uno Rev 3 microcontroller, and it includes over 100 components along with a 170-page guidebook that details 15 engaging projects.

The Arduino Nano and Uno are equipped with very similar processors (the chip that essentially serves as the brain of the board). The Nano features an ATmega328, while the Uno sports an ATmega328P.

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 ...