DollaTek 868/915MHZ Ultra Low Power STM32L432KC SX1276 LoRaWAN Supports LoRaWAN MQTT Single Channel Turtle Board with 868MHZ Antenna

Description

Turtle Board is a highly integrated, fully functional board with the following features:CE Certificate;Microprocessor: STM32L432KC (32-bit ultra-low power MCU) with LoRa node chip SX1276;Micro USB interface with complete protection measures such as voltage regulation, ESD protection, and short circuit protection;Onboard AAA x 2 battery holder, USB / battery power automatically switch;Reserve IPEX and SMA antenna interfaces for LoRa use;Programming and debugging interface can be combined with our downloaderSupport DFU protocol, which can be downloaded conveniently via USB (combined with “RadioShuttle STM32 Utility”)Professional software support (ARM Mbed IDE);Provide Standard LoRaWAN protocol routines;Good RF circuit design and perfect low-power design (sleep current: 4uA), which is convenient for IoT application vendors to quickly verify solutions and deploy applications;ParameterMCU：STM32L432KC(Ultra-low-power 32-bit MCU+FPU)LoRa chip： SX1276LoRa maximum output power：18dB ± 2dBHardware Resource：USART x 3; SPI x 2; I2C x 2; SAI x 1; USB 2.0 x 1 12 – bits ADC x 1; 12 – bits DAC x 2 DMA controller 26 general GPIOFlash：256KB FLASH；64KB SRAM；Interface：Micro USB x 1; LoRa antenna(SMA) x 1，Debug interface（8-Pin）Size：56.6 x 24 x 20 mmBattery Type：AAA x 2Battery detection circuit：√External device power control（Vext）：√Low power design：Deep Sleep: 4uANote:Package Not include battery;Package include:1 x Turtle Board 1 x Antenna