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  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
  • Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards
Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards

Wireless ESP32 Module SX1276 LoRaWAN Protocol WiFi BLE Heltec for Arduino - products that work with official Arduino boards COD

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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
                        (Product ID: 1638098)
                        Dev-Board ESP32-PICO 4MB Lithium② 35uA x
                        Wireless Shell
                        (This item)
                        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:
                         
                        -Main control chip ESP32-PICO (dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276;
                        -RF shielding(contain a shield shell) and other protection measures;
                        -Integrated WiFi, LoRa, Bluetooth network connections, both of them are IPEX socket;
                        -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 basic low-power design (sleep current: 10uA theoretically), it is convenient for IoT application vendors to quickly verify solutions and deploy applications;

                        Source Parameter
                        MCU ESP32-PICO-D4( 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 18 ± 2dB
                        Hardware resources UART x 3; SPI x 2; I2C x 2; I2S x 1
                        12 – bits ADC; 8 – bits DAC
                        44 general GPIO
                        FLASH internal 4MB(32M-bits) SPI FLASH
                        Interface LoRa antenna (IPEX) x 1; Wi-Fi / BLE antenna (IPEX) x 1
                        Size 38.4 x 16.1mm
                        External device power control (Vext)
                        Low power design deep sleep mode 10uA

                        Electrical characteristics Condition Minimum Typical Maximum
                        Power Supply 3.3V power supply(≥500mA) 2.7V 3.3V 3.5V
                        Power consumption(mA) WIFI scan   115mA  
                        WIFI AP   135mA  
                        LoRa 10dB emission   100mA  
                        LoRa 12dB emission   105mA  
                        LoRa 15dB emission   120mA  
                        LoRa 20dB emission   145mA  
                        Output External device power control Vext (3.3V)     350mA
                         
                        Package includes:
                         
                        1 x Wireless ESP32 Module

                        Files support:

                        How to install Heltec ESP32 Aduino Develoment Environment:
                         
                        Wireless Shell 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
                         
                        Wireless Shell Pinout Diagram:
                         
                        AutoCAD & 3D Drawing:
                         
                        Reference Hardware Design:
                        Wireless Shell Reference Hardware Design Schematic: https://docs.heltec.cn/download/wireless_shell_reference_hardware_design.pdf
                        Wireless Shell Schematic & PCB Package (Altium Designer 18.1.7): https://docs.heltec.cn/download/wireless_shell_packages.zip
                         
                        Summary of Common Problems:
                         





















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