ESP32 LoRa Development Board SX1276 Chip 915MHZ LoRaWAN Low Power Consumption Support Arduino IDE

Product description
Technical Parameters
MCU: STM32L151CCU6
LoRa chip: SX1276
LoRa maximum output power: 19dB ± 1dB
LoRa bands: EU_433, CN_470_510, EU_863_870, US_902_928 (four bands optional)
Hardware Resource: USART x3; SPI x2; I2Cx2; I2S x2; USB2.0 x1, 12–bits ADC; 12–bits DAC, DMA controller, 38 general GPIO
Interface: Micro USB x1; LoRa antenna(SMA) x1
Flash: 256KB FLASH; 32KB SRAM; 8KB EEPROM; 128B BACKUP REGISTER
Battery type: 1/2AA Lithium battery
Battery detection circuit: √
External device power control（Vext）: √
Deep Sleep: 2.5uA
Size: 56.6 x24 x20mm

Package Including
1 * STM32L151CCU6 Development board
1 * 915MHz Antenna

Product Selection Table:★https://docs.heltec.cn//en/products/lora/lora_node/heltec_lora_node_list_eu; Summary of Common Problems:★http://www.heltec.cn/summary-of-common-problems-in-wifi-kit-series-continuous-update/?lang=en; AutoCAD 2017 version drawding:★docs.heltec.cn/download/LoRa_Node_151.dwg
Lora Development Board: Microprocessor STM32L151CCU6(ARM Cortex-M3 32-bit RISC core, support DFU mode), with LoRa node chip SX1276; Onboard user resources available: 256 Kbytes of Flash memory with ECC; 32 Kbytes of RAM; 8 Kbytes of true EEPROM with ECC; 128-byte backup register.
Small Body and Power Function:Support lora wireless communication and keil. With perfect low-power design, good RF circuit design, battery management system. Provide complete LoRaWan(ClassA/C)source code(support ABP and OTAA). Enter low power mode under standard lorawan protocol, the Deep Sleep Current≤1.8uA.
1/2AA lithium Asian Battery Holder with Micro USB interface, complete protection, ESD protection, circuit protection and other protection measures, onboard lithium battery interface, integrated battery management system (battery power detection, USB / battery power automatic switching). Reserve SMA antenna interface for LoRa use;Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing.
Support DFU mode download; wifi speed: 150Mbps; output power: 19dB±1dB; accept sensitivity: -128dBm. Products can be applied to smart cars, intelligent street lights, drone control, robot control, equipment monitoring, environmental monitoring, etc.