ESP32 Development Board Wireless Stick SX1276 LoRaWAN Protocol WIFI BLE

$40.99
  Availability: In Stock
  Shipping: Free Airmail 
  Estimated Delivery: 

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    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388
    Israel

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

    Refunds

    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

    Exceptions

    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888
    sales@alexnld.com

     


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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 (128×64)
Dev-Board ESP32 8MB Lithium② 800uA OLED (128×64)
Wireless Stick
(This item)
Dev-Board ESP32 8MB Lithium② 800uA OLED (64×32)
Dev-Board ESP32-PICO 4MB Lithium② 35uA x
Module ESP32-PICO 4MB x 10uA x
Dev-Board STM32L151CBU6 128kB Lithium x x 7uA x
Dev-Board STM32L151CCU6 256kB 1/2 AA Lithium chlorine sulfite battery 1.8uA x
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:

-On the basis of WiFi LoRa 32, it’s has a smaller size, 0.49″ OLED display, and better RF characteristics.

-CE Certificate;
-Microprocessor: ESP32 (dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276/SX1278;
-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 use;
-Onboard 0.49-inch 64*32 dot matrix OLED display, which can be used to display debugging information, battery power, and other information;
-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 basic low-power design (sleep current ≤800uA), 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 0.49 inch 64*32 OLED display
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 800uA
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 ESP32 Development Board

How to install Heltec ESP32 Arduino Development Environment:
 
Wireless Stick Source code:
Heltec ESP(ESP32 & ESP8266) framework (the basic of Heltec ESP series products Arduino running environment):
Heltec ESP32 library (must work with Heltec ESP framework):
Heltec ESP32 LoRaWAN library (a standard LoRaWAN protocol library provide by Heltec Automation, need a license to active: http://www.heltec.cn/search/):
 
Wireless Stick Source code:
 
Summary of Common Problems:
 
AutoCAD & 3D Drawing:
AutoCAD 2017 version drawing:
Solid Works 2014 Version 3D Drawing:
 
Interesting Applications by users:
Single-channel LoRa gateway solution:
Graphical interface displays sensor data (Wireless Stick + Sensor + Grafana):
 
















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Product ID: 9763042 Category: Model: 433MHz-470MHz (+1 more)
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