Downloads & Resources

Official Documentation

V1.1 Datasheet Complete technical specifications

V1.1 Schematic Circuit diagram for V1.1 hardware

Pin Map GPIO pinout reference image

GNSS Protocol UC6580 command reference

Legacy Hardware (V1.0)

V1.0 Datasheet Specifications for original release

V1.0 Schematic Circuit diagram for V1.0 hardware

Firmware & Software

Development Tools

Arduino Board Package Add this URL to Arduino IDE Board Manager

Heltec GitHub Official examples and libraries

ESP-IDF Examples Native ESP-IDF examples

Meshtastic

Meshtastic Firmware Download latest Meshtastic for Wireless Tracker

Meshtastic Flasher Web-based firmware flasher

Arduino IDE Setup

Board Manager URL

Add this URL to File → Preferences → Additional Board Manager URLs:

https://resource.heltec.cn/download/package_heltec_esp32_index.json

Library Installation

1. Open Sketch → Include Library → Manage Libraries
2. Search “Heltec ESP32”
3. Install “Heltec ESP32 Dev-Boards”

Board Selection

Tools → Board → Heltec ESP32 Series Dev-boards → Wireless Tracker

PlatformIO Configuration

[env:heltec_wireless_tracker]
platform = espressif32
board = heltec_wireless_tracker
framework = arduino
monitor_speed = 115200
lib_deps =
    heltec-automation/Heltec ESP32 Dev-Boards

Useful Links

Heltec Resources

Resource	Link
Heltec Wiki	wiki.heltec.org
Product Page	heltec.org/project/wireless-tracker
Support Email	support@heltec.cn
Technical Forum	community.heltec.cn

Community Projects

Project	Description
Meshtastic	Off-grid mesh networking
SnapEmu	LoRaWAN testing platform
TTN	The Things Network

ESP32-S3 Resources

Resource	Link
ESP32-S3 Datasheet	espressif.com
ESP-IDF Documentation	docs.espressif.com
Arduino-ESP32	github.com/espressif/arduino-esp32

LoRa Resources

Resource	Link
SX1262 Datasheet	semtech.com
LoRaWAN Specification	lora-alliance.org
RadioLib Library	github.com/jgromes/RadioLib

GNSS Resources

Resource	Link
UC6580 Documentation	unicorecomm.com
TinyGPS++ Library	github.com/mikalhart/TinyGPSPlus
NMEA Reference	nmea.org

Drivers

If your device isn’t recognized, you may need USB drivers:

Driver	For
CP210x	Silicon Labs USB-UART
CH340	WCH USB-UART

The Wireless Tracker uses the ESP32-S3’s native USB, so drivers are usually not required on modern operating systems.

Licensing

All Heltec documentation is © Chengdu Heltec Automation Technology Co., Ltd.

Non-commercial use (personal download and printing) is permitted. Commercial use requires written permission from Heltec.