The Zero is a simple and powerful 32-bit extension of the platform established by the UNO.
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The Zero board expands the family by providing increased performance, enabling a variety of project opportunities for devices, and acts as a great educational tool for learning about 32-bit application development. The Zero applications span from smart IoT devices, wearable technology, high-tech automation, to crazy robotics. The board is powered by Atmel’s SAMD21 MCU, which features a 32-bit ARM Cortex® M0+ core. One of its most important features is Atmel’s Embedded Debugger (EDBG), which provides a full debug interface without the need for additional hardware, significantly increasing the ease-of-use for software debugging. EDBG also supports a virtual COM port that can be used for device programming and traditional Arduino boot loader functionality.
|Microcontroller||ATSAMD21G18, 32-Bit ARM Cortex M0+|
|Input Voltage (recommended)||from 7 to 12 Volts|
|Digital I/O Pins||20|
|PWM Digital I/O Pins||All but pins 2 and 7|
|Analog Input Pins||6, 12-bit ADC channels|
|Analog Output Pins||1, 10-bit DAC|
|DC Current per I/O Pin||7 mA|
|Flash Memory||256 KB|
|Clock Speed||48 MHz|