Heltec Meshtastic Esp32 LoRa Development Board Wireless Stick V3 Wifi Bluetooth with Oled Display for IoT 433HMZ/868MHZ/915MHZ
Heltec Meshtastic Esp32 LoRa Development Board Wireless Stick V3 Wifi Bluetooth with Oled Display for IoT 433HMZ/868MHZ/915MHZ
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SPECIFICATIONS
Brand Name: Heltec Automation
Origin: Mainland China
Hign-concerned Chemical: none
Model Number: HT-WST V3
Product Information:
HTIT-WS is a development board for Wi-Fi, Bluetooth and LoRa. Its functions are basically the same as "WiFi Lora 32", except that the screen is reduced to 0.49 inch and a shielding shell is added.
The HTIT-WS is composed up of an MCU (ESP32-S3FN8) and Semtech LoRa Transceivers (SX1262), perfectly support Arduino®. Users can easily carry out secondary development and application.
Docs & Resource
[Resource] - Heltec ESP(ESP32&ESP8266) framework
[Attachment] - Schematic diagram
[Resource] - Downloadable Resources
We provide a comprehensive set of standard LoRaWAN libraries for our products.
Main Features:
Microprocessor: ESP32-S3FN8 (Xtensa® 32-bit LX7 dual core processor, five stage pipeline rack Structure, main frequency up to 240 MHz).
SX1262 LoRa node chip.
Type-C 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 spring antenna, reserved IPEX (U.FL) interface for LoRa use.
Onboard 0.49-inch 128*64 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.
We provide ESP32 + LoRaWAN protocol Arduino® library, this is a standard LoRaWAN protocol that can communicate with any LoRa gateway running the LoRaWAN protocol. In order to make this code running, a unique license is needed.
With good RF circuit design and low-power design.
Compared to WiFi LoRa 32 (V2), V3 has made the following upgrades:
Item |
Wireless Stick (V2) |
WiFi LoRa 32 (V3) |
MCU |
ESP32-D0 |
ESP32-S3 |
LoRa Node Chip |
SX1276 |
SX1262 |
USB Socket |
Micro USB |
USB Type C |
Crystal Oscillator |
Ordinary crystal oscillator |
High precision temperature compensated crystal oscillator |
Low Power Features in Deep Sleep |
≈800uA |
<10uA |
Other Update |
Better impedance matching of RF circuits. |
Specifications:
Parameters |
Description |
Master Chip |
ESP32-S3FN8 (Xtensa®32-bit lx7 dual core processor) |
LoRa Node Chip |
SX1262 |
USB to Serial Chip |
CP2102 |
Frequency |
470~510MHz, |
Max. TX Power |
21 ± 1 dBm |
Max. Receiving Sensitivity |
-134dBm |
Wi-Fi |
802.11 b/g/n, up to 150Mbps |
Bluetooth |
Bluetooth LE: Bluetooth 5, Bluetooth mesh |
Hardware Resource |
7*ADC1 + 2*ADC2; |
Display |
0.49-inch OLED |
Memory |
384KB ROM; 512KB SRAM; |
Battery |
3.7V lithium battery power supply and charging |
Operating temperature |
-20 ~ 70 ℃ |
Dimensions |
58.08 * 22.6* 8.2 mm |
Interface |
Type-C USB; |
Products Details:
Product Pin Diagram:
Production Size:
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