产品名称：意大利Arduino开发板入门编程开源硬件

技术规格

Microcontroller	nRF52840 (64 MHz Arm® Cortex-M4F)
Digital Input	6x edge sensitive wake up pins
Digital Output	8x latching relay command outputs with drivers 8x latching relay command outputs without drivers
Relays	4x 60V/2.5A galvanically isolated solid state relays
Analog Input	4x 4-20mA inputs 8x 0-5V analog inputs 16x hydrostatic watermark sensor input
Terminal Block Connectors	6x 18 pin plug in terminal block connectors
Power Supply	12 V Acid/lead SLA Battery Supply (Recharged via solar panels)
Power Consumption	Low power (up to 34 months on a 12V/5Ah battery) 200uA Sleep current
Memory	1 MB onboard Flash memory 2 MB onboard QSPI Flash memory
SD Card	Interface for SD Card connector (through expansion port only)
Connectivity	Bluetooth Wifi* 3G*NB-IoT* LoRaWAN®* * Requires Arduino MKR board
Peripherals	Full-speed 12 Mbps USB Arm CryptoCell CC310 security subsystem QSPI/SPI/TWI/I²S/PDM/QDEC High speed 32 MHz SPI Quad SPI interface 32 MHz 12-bit 200 ksps ADC 128 bit AES/ECB/CCM/AAR co-processor
Operational Temperature	-40° C to +85° C (-40° F to 185°F)
Length	104 mm
Width	86 mm