Official Arduino MKR Zero ABX00012 (I2S bus & SD for sound, music & digital audio data)

Arduino MKR Zero ABX00012 Microcontroller: Based on the SAMD21 ARM Cortex-M0+ processor. Operating Voltage: 3.3V (low-power board). Clock Speed: 48 MHz. Memory: 256 KB flash memory, 32 KB SRAM. Input/Output: 22 digital I/O pins, 12 analog inputs, and 1 analog output. Communication: Supports I2C, SPI, UART, and CAN bus. Storage: MicroSD card slot for additional data storage. Audio Features: Built-in DAC (digital-to-analog converter) for audio output. Connectivity: Compatible with various shields, and supports external modules for Wi-Fi or Bluetooth (when combined with add-ons like MKR WiFi 1010). Power Supply: USB or battery-powered via JST connector. Size: Compact form factor for easy integration into projects.

Specifications

Microcontroller	Based on the SAMD21 ARM Cortex-M0+ processor.
Operating Voltage	3.3V (low-power board).
Clock Speed	48 MHz.
Memory	256 KB flash memory, 32 KB SRAM.
Input/Output	22 digital I/O pins, 12 analog inputs, and 1 analog output.
Communication	Supports I2C, SPI, UART, and CAN bus.
Storage	MicroSD card slot for additional data storage.
Audio Features	Built-in DAC (digital-to-analog converter) for audio output.
Connectivity	Compatible with various shields, and supports external modules for Wi-Fi or Bluetooth (when combined with add-ons like MKR WiFi 1010).
Power Supply	USB or battery-powered via JST connector.
Size	Compact form factor for easy integration into projects.