Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Heltec for Arduino - products that work with official Arduino boards COD

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ID: 1638098
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                    Heltec LoRa Node Products Difference Table:

                    “Heltec LoRa” product family already included follow options:
                     
                    LoRa spread spectrum communication (node);
                    Battery powered;
                    Good RF circuit design and impedance matching.

                    Product Type① MCU FLASH Battery Battery Detect Vext③ Low Power④ Display
                    WiFi LoRa 32 Dev-Board ESP32 4MB Lithium② x x x OLED (128x64)
                    WiFi LoRa 32(V2)
                    (Product ID: 1639291)
                    Dev-Board ESP32 8MB Lithium② 800uA OLED (128x64)
                    Wireless Stick
                    (Product ID: 1639290)
                    Dev-Board ESP32 8MB Lithium② 800uA OLED (64x32)
                    Wireless Stick Lite
                    (This item)
                    Dev-Board ESP32-PICO 4MB Lithium② 35uA x
                    Wireless Shell
                    (Product ID: 1638101)
                    Module ESP32-PICO 4MB x 10uA x
                    LoRa Kit 151
                    (Product ID: 1639289)
                    Dev-Board STM32L151CBU6 128kB Lithium x x 7uA x
                    LoRa Node 151
                     (Product ID: 1638100)
                    Dev-Board STM32L151CCU6 256kB 1/2 AA Lithium chlorine sulfite battery 1.8uA x
                    Turtle Board
                    (Product ID: 1638099)
                    Dev-Board STM32L432KC 256kB AAA x 2 5uA x

                    Notes:
                     
                    ① – Type:
                    Dev-Board – Can be used directly;
                    Module – Only core function, need to cooperate with external PCB or circuit.
                    ② – Lithium: All lithium battery socket for Heltec boards is SH1.25-2;
                    ③ – Vext: 3.3V(500mA) output, for external devices (e.g. sensors) power supply, in deep sleep mode, Vext can be shut down via software;
                    ④ – Low Power: Products’ low power design, of Whole Circuit, the measured data are the current of the system during deep sleep.

                    Feature:

                    -Microprocessor: ESP32-PICO (dual-core 32-bit MCU + ULP core + Internal 4MB FLASH), with LoRa node chip SX1276;
                    -Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures;
                    -Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching);
                    -Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal 3D antenna, reserved IPEX (U.FL) interface for LoRa;
                    -Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing;
                    -Support the Arduino development environment;
                    -(Exclusive) Supports the Arduino version of the ESP32 + LoRaWAN protocol routine provided by Heltec. This is a standard LoRaWAN protocol that can communicate with any gateway/base station running the LoRaWAN protocol (requires serial number activation, only the development of the company) The board is available, the serial number can be queried on this page);
                    -With good RF circuit design and good low-power design (sleep current ≤ 30uA), it is convenient for IoT application vendors to quickly verify solutions and deploy applications;

                    Source Parameter
                    MCU ESP32( 240MHz Tensilica LX6 dual-core + 1 ULP, 600 DMIPS, 520KB SRAM, Wi-Fi, dual mode Bluetooth)
                    LoRa chip SX1276
                    LoRa bands EU_433, CN_470_510, EU_863_870, US_902_928 four bands optional
                    LoRa maximum output power 18dB ± 2dB
                    Hardware resources UART x 3; SPI x 2; I2C x 2; I2S x 1
                    12 – bits ADC; 8 – bits DAC
                    29 general GPIO
                    Display None
                    FLASH 4MB(32M-bits) SPI FLASH
                    interface Micro USB x 1; LoRa antenna interface(IPEX) x 1
                    Size 50.2 x 25.5 x 9.74 mm
                    USB to UART Bridge CP2102
                    Battery Type 3.7V Lithium(SH1.25 x 2)
                    Battery detection circuit
                    External device power control (Vext)
                    Low power design Deep Sleep 30uA

                    Electrical characteristics Condition Minimum Typical Maximum
                    Power Supply USB powered(≥500mA) 4.7V 5V 6V 
                    Lithium powered(≥250mA) 3.3V 3.7V 4.2V
                    3.3V(pin)powered(≥150mA) 2.7V 3.3V 3.5V
                    5V(pin)powered(≥500mA) 4.7V 5V 6V
                    Power consumption(mA) WIFI scan / 115mA /
                    WIFI AP / 135mA /
                    LoRa 10dB emission / 50mA /
                    LoRa 12dB emission / 60mA /
                    LoRa 15dB emission / 110mA /
                    LoRa 20dB emission / 130mA /
                    Output 3.3V pin output / / 500mA
                    5V pin output (USB powered only) / Equal to the input current /
                    External device power control (Vext 3.3V) / / 350mA

                    Package includes:

                    1 x Wireless ESP32 Stick Lite

                    File support:

                    How to install Heltec ESP32 Arduino Development Environment: http://www.heltec.cn/wifi_kit_install/
                    Wireless Stick Lite Source code:
                    Heltec ESP(ESP32 & ESP8266) framework (the basic of Heltec ESP series products Arduino running environment): https://github.com/Heltec-Aaron-Lee/WiFi_Kit_series
                    Heltec ESP32 library (must work with Heltec ESP framework): https://github.com/HelTecAutomation/Heltec_ESP32
                    Heltec ESP32 LoRaWAN library (a standard LoRaWAN protocol library provide by Heltec Automation, need a license to active: http://www.heltec.cn/search/): https://github.com/HelTecAutomation/ESP32_LoRaWAN
                    AutoCAD & 3D Drawing:
                    AutoCAD 2017 version drawing: https://docs.heltec.cn/download/Wireless_Stick_Lite.dwg
                    Solid Works 2014 Version 3D Drawing(For reference only, Wireless Stick Lite has the same shape and size compare with Wireless Stick, only less an OLED display): https://docs.heltec.cn/download/WirelessStick.zip
                    Interesting Applications by users: single-channel LoRa gateway solution: https://github.com/things4u/ESP-1ch-Gateway-v5.0


















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