2PCS Heltec Wireless Stick V3 Lite Meshtastic ESP32 Dev-board SX1262 LoRa Chip S

Product Description

Summary

HTIT-WSL(Heltec Wireless Stick Lite v3) is a development board for Wi-Fi, Bluetooth and LoRa.

Because some customers do not need OLED screen when using WiFi Lora32, we launched this

product.It belongs to Heltec's LoRa ESP32 series.

The HTIT-WSL 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.

• Microprocessor: ESP32-S3FN8 (Xtensa® 32-bit LX7 dual core processor, five stage pipeline rack

Structure, main frequency up to 240MHz).

• SX1262 LoRa node chip.

• Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF

shielding, and other protection.

• 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.

• Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging

information printing.

• Support the Arduino development environment.

• 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.

High light

Arduino-Compatible

We have done a lot of migration and development, made it perfectly support Arduino®, can run the

LoRaWAN protocol stably.

USB Type C

The power supply, firmware download, and debugging interfaces adopt a more universal USB Type C

interface, making development work more convenient.

The default packing list without selecting any accessories is as follows:

• [Resource] — Heltec ESP32 framework and lib installation

• [Resource] —Hardware Update Logs

• [Resource] —Datasheet

• [Resource] —Schematic_Diagram

• [Resource] —User Manual Document

• [Resource] —Heltec LoRaWAN test server based on SnapEmu

FAQ

1Is wireless stick V3 compatible with V2 code?

If you want to use the new ESP32-S3 processor and the SX1262 LoRa chip, you may need to use new

libraries that support them. You should check that the libraries you are using are compatible with these

new components.

As far as my experience with the Wireless Stick Lite is concerned, the only library I had to change when

switching from V1 to V3 was the LoRa library. The Sandeep Mistry LoRa library that I used earlier

doesn’t work with the new SX1262 LoRa chip. To make my code work with the V3, I had to migrate to the

Heltec LoRaWan_APP library. This was a true migration because the two libraries don’t use identical calls.

2How can LoRa be useful in your home automation projects?

Imagine that you want to measure the moisture in your field. Although, it is not far from your house, it

probably doesn’t have Wi-Fi coverage. So, you can build a sensor node with an ESP32 and a moisture

sensor, that sends the moisture readings once or twice a day to another ESP32 using LoRa.The later

ESP32 has access to Wi-Fi, and it can run a web server that displays the moisture readings.This is just

an example that illustrates how you can use the LoRa technology in your ESP32 projects.

3How to get the License?

Refer to this link: How to Use License — main latest documentation (heltec.org)

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Condition

Brand New

Shipping

This item is shipped directly from our supplier in China with tracking.