Arduino MKR Zero _MAKE_DEV_TEENSY Arduino UNO R3

Arduino UNO R3

Microcontroller ATmega32u4 Operating Voltage 5V Input Voltage (Recommended) 7-12V Input Voltage (limits) 6-20V Digital I/O Pins 20 PWM Channels 7 Analog Input Channels 12 DC Current per I/O Pin 40 mA DC Current for 3

2mm mounting holes 2

Having WiFi managed by a separate chip means your code is simpler

Arduino MKR Zero _MAKE_DEV_TEENSY Arduino UNO R3MKR ZERO has an on board SD connector with dedicated SPI interfaces (SPI1) that allows you to play with MUSIC files with no extra hardware! Watch out music makers, weve got some news for you! We have released two libraries for your enjoyment: Arduino Sound library a simple way to play and analyze audio data using Arduino on SAM D21 based boards. I2S library to use the I2S protocol on SAMD21 based boards. For those who dont know, I2S (Inter IC Sound)