The MKR ZERO is a compact development board based on the Atmel SAMD21 microcontroller, featuring a 32-bit ARM Cortex M0+ core. It includes an on-board SD card connector with a dedicated SPI interface for audio playback and data logging without additional hardware. The board operates at 3.3V, supports LiPo battery power with integrated battery management and voltage monitoring, and is designed in the MKR form factor for ease of use in educational and IOT applications.
| ECCN |
3A991A2 |
| RoHS |
Compliant |
| SRAM |
32KB |
| Storage |
Integrated Micro SD Connector |
| Clock Speed |
48MHz |
| Flash Memory |
256KB |
| Microcontroller |
SAMD21G18A ARM Cortex-M0+ |
| Digital I/O Pins |
22 |
| Analog Input Pins |
7 (12-bit ADC) |
| Operating Voltage |
3.3V |
| Analog Output Pins |
1 (10-bit DAC) |