Arduino clone broad, UNO not be able to download ? missing the DTR reset - xiaolaba/UNO-R1-R3-reset-circuitry ...

This article is completely focused on Arduino UNO only, if you want to know about the other options you can check out our previous article on Different Types of Arduino Boards where we have compared ...

The Arduino Uno is a microcontroller board based on the ATmega328. It has 20 digital input/output pins (of which 6 can be used as PWM outputs and 6 can be used as analog inputs), a 16 MHz resonator, a ...