When using the analog pins as digital I/O, you will need to refer to them using their digital pin numbers instead of their analog pin labels. The mapping of analog to digital pin numbers on the ...

The Arduino Uno is based on an ATmega328 microcontroller This board includes 14 digital I/O pins, a power jack, 6 analog input pins, a 16MHz ceramic resonator, a USB connection, a reset button, and an ...

He put the project out on Hackaday.io and also has a video tutorial you can see below. There are five input pins to the chip which lets you connect one analog pin to any one of 32 analog pins.

6. Arduino Uno WiFi Rev2 The Arduino Uno WiFi Rev2 is an upgraded version of the Uno board and features the ATmega4809 microcontroller. This board comes with 14 digital input/output pins, six analog ...

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 ...

Sound Sensor with Arduino UNO – Connection Diagram Now that we have a complete understanding of how a Sound sensor works, we can connect all the required wires to Arduino as shown below. Connecting ...

In comparison, the Arduino Uno, Leonardo, and Mega 2560 boards all have theoretical ADC speeds of 15 ksps. Caption Dual USB inputs and 12-bit analog I/Os.