ATMega328-au 与 Arduino IDES 完全兼容支持 Optiboot 和 DualOptiboot 引导加载程序睡眠时功耗极低，通常为 8uA外部 8Mhz 晶体振荡器，支持 LORA 无线电和 LMIC LoRaWAN 所需的关键时序精密电阻分压器，可准确测量稳压器前的电池电压带温度补偿的实时时钟，为时间关键功能（如传输调度和时间戳事件）提供高水平的精度。支持 HopeRF HCW69HCW 和 RFM95 Lora 无线电板载 EUI-64 唯一 ID，可通过 I2C 总线访问板载 4Mbit SPI 闪存，用于使用 DualOptiboot 存储配置数据和更新代码精密电压调节器，静态电流仅为 1ua，允许电源电压在 2.8v 和 6.0v 之间U.FL 连接器用于连接各种天线选项

ATMega328-aufully compatible with the Arduino IDE

Support for Optiboot and DualOptiboot Bootloaders

Extremely low power consumption when asleep typically 8uA

External 8Mhz crystal oscillator to allow support for the critical timing required by the LORA radios and the LMIC LoRaWAN

Precision resistor divider to accurately measure the battery voltage before the regulator

Real time clock with temperature compensation to provide a high level of accuaracy for time critical functions such as scheduling of transmissions and timestamping events.

Support forHopeRF HCW69HCW and RFM95 Lora radios

On board EUI-64 unique ID accesible over the I2C bus

On board 4Mbit SPI flash for configuration data storage and code updates using DualOptiboot

Precision voltage regulator with quiescent current of only 1ua allowing supply voltages between 2.8v and 6.0v

U.FL connector for connection of a range of antenna options