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Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module
Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module

Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module

$39.89

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SKU: 1638098 Category:
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Buy Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module cheapest price

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)
WiFi LoRa 32(V2)
(Product ID: 1639291)
Dev-Board ESP32 8MB Lithium② 800uA OLED (128×64)
Wireless Stick
(Product ID: 1639290)
Dev-Board ESP32 8MB Lithium② 800uA OLED (64×32)
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 (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 Aduino development environment;
-(Exclusive) Supports the Aduino 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 solution 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 Aduino 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 Aduino 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

Best Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module wholesale price

Specification: Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module

frequency

433MHz-470MHz, 868MHz-915MHz

Dimensions
Weight 0.1 kg

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Heltec Wireless ESP32 Stick Lite SX1276 LoRaWAN Protocol WIFI BLE Module
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