ESP32 Development Board Wireless Stick SX1276 LoRaWAN Protocol WIFI BLE Module

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$31.99

Ex Tax: $31.99

Stock: In Stock
Model: EB0045252
Dimensions: 50.20mm x 25.50mm x 9.74mm
SKU: EB0045252

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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 ARDUIN0 development environment;

-(Exclusive) Supports the ARDUIN0 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 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	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 ARDUIN0 Development Environment:

http://www.heltec.cn/wifi_kit_install/

Wireless Stick Source code:

Heltec ESP(ESP32 & ESP8266) framework (the basic of Heltec ESP series products ARDUIN0 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 Stick Source code:

https://github.com/Heltec-Aaron-Lee/WiFi_Kit_series/blob/master/PinoutDiagram/Wireless_Stick.pdf

Summary of Common Problems:

https://docs.heltec.cn/#/en/faq/heltec_esp_series_common_problem_summary

AutoCAD & 3D Drawing:

AutoCAD 2017 version drawing: https://docs.heltec.cn/download/Wireless_Stick.dwg

Solid Works 2014 Version 3D Drawing: 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

Graphical interface displays sensor data (Wireless Stick + Sensor + Grafana): https://www.rosietheredrobot.com/2019/07/hard-grapht.html

Heltec-ESP32-Development-Board-Wireless-Stick-SX1276-LoRaWAN-Protocol-WIFI-BLE-Module-1639290

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Tags: Development Board