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Heltec Manuals & User Guides

Heltec Automation specializes in IoT development boards, LoRa/Meshtastic nodes, and lithium battery testing equipment for developers and industrial applications.

Tip: include the full model number printed on your Heltec label for the best match.

Heltec Support

Official site: https://heltec.org
General support: https://heltec.org/info/contact/
Warranty & registration: Warranty info
Support phone: +86-028-62374838
Support email: support@heltec.cn
Contact form: Contact manufacturer support

Heltec manuals

Selected manuals from manuals+ curated for this brand.

Additional documents are a limited selection. Search all manuals.

HELTEC V2 ESP32 Bitcoin Lottery Miner NerdMiner User Guide

April 18, 2026

HELTEC V2 ESP32 Bitcoin Lottery Miner NerdMiner About this item 【Powerful & Efficient Bitcoin Lottery Miner】Achieve hash rates up to 1000KH/s with this Crypto Miner, designed for smooth and stable…

Heltec T114 Mesh Node Owner’s Manual

April 13, 2026

Heltec T114 Mesh Node Specifications Product Name: Mesh Node T114 Model: T114 Batch/Serial Number: 1005007917409559 MCU: nRF52840 (Bluetooth) LoRa Chipset: SX1262 Display: 1.14 inch TFT-LCD (Optional) - 135(H)RGB x 240(V)…

HELTEC Lithium Battery Pack Transformer Inverter Active User Manual

April 12, 2026

HELTEC Lithium Battery Pack Transformer Inverter Active PRODUCT INFORMATION The equalizer adopts high-frequency transformer inversion and equipotential isolation coupling energy technology to realize the parallel connection of each series of…

Heltec NM NerdMiner V2 Bitcoin Lottery Miner Instruction Manual

March 9, 2026

Heltec NM NerdMiner V2 Bitcoin Lottery Miner Product specification Brand Heltec Model Name ESP32-WROOM-32 Memory Storage Capacity 8 MB Connectivity Technology Wi-Fi, BLE Operating System Linux Product Information Product Name:…

Heltec T114 GPS Mesh Node Instruction Manual

February 18, 2026

Heltec T114 GPS Mesh Node Product Information Product Name: Mesh Node T114 Model: Heltec T114 Batch/Serial Number: 1005009666043114 Safety & Warnings Important Safety Information Read all instructions before use. Failure…

HELTEC HT-HC02 HaLow AT Command Module User Manual

January 26, 2026

HELTEC HT-HC02 HaLow AT Command Module Specifications Editions: V0.1, V0.11, V0.12 Model: HT-HC02 User Manual: AT Command User Manual Data Sheet Version: V0.6 Release Date: Jan. 2020 Product Information The…

Heltec ESP32-S3FN8 Meshtastic Wi-Fi LoRa 32 V3 Development Board Owner’s Manual

December 19, 2025

Heltec ESP32-S3FN8 Meshtastic Wi-Fi LoRa 32 V3 Development Board Introduction This manual provides comprehensive instructions for the Heltec Meshtastic WiFi LoRa 32 V3 Development Board. This device integrates an ESP32-S3FN8…

HELTEC HT-298A Mesh Pocket Unleashing a New Wireless Connectivity Experience User Manual

August 4, 2025

HELTEC HT-298A Mesh Pocket Unleashing a New Wireless Connectivity Experience Specifications Model: MeshPocket Battery Capacity: 5000mAh Wireless Charging: 5W, 7.5W, 10W, 15W USB-C Port: 9V-2.22A / 5V-3A Communication Chips: nRF52840,…

HELTEC HT-LS02H Handheld Cantilever Laser Welding Machine User Manual

May 5, 2025

HELTEC HT-LS02H Handheld Cantilever Laser Welding Machine Summarizes HT-LS02H Cantilever Laser Welding Machine For Lithium Battery adapts three-axis linkage cantilever structure. It can spot weld aluminum, nickel, copper and other…

Heltec ESP32 LoRa V3WIFI Bluetooth Development Board Instruction Manual

April 26, 2025

Heltec ESP32 LoRa V3WIFI Bluetooth Development Board Instruction Manual ESP32 LoRa V3WIFI Bluetooth Development Board Product Description ESP32 LoRa 32 WIFI development board is a classic IoT development board. Since…

Heltec WiFi LoRa 32 V4 Product Manual

Product Manual

Product manual for the Heltec WiFi LoRa 32 V4 development board, detailing its features, specifications, pin configurations, and application scenarios for IoT projects. Manufactured by Heltec Automation Technology Co., Ltd.

HelTec HTDS Series Single Color OLED Display - Technical Specifications and Datasheet

Datasheet

Comprehensive technical specifications, features, model details, and application examples for the HelTec HTDS Series Single Color OLED Displays (128x64 resolution) with SPI and I2C interfaces. Includes mechanical dimensions and support…

Heltec Wireless Stick V3: FAQ, Pin-Karte und Ressourcen

guide

Umfassende Informationen und Support für den Heltec Wireless Stick V3, einschließlich Kompatibilität, Fehlerbehebung, LoRa-Anwendungen, Pinbelegung und Entwicklerressourcen.

Heltec MeshSolar: Solar-Powered IoT Device with BMS, LoRa, and Bluetooth

datasheet

Detailed specifications, features, pin definitions, and electrical characteristics for the Heltec MeshSolar, an integrated solar-powered IoT device with Battery Management System (BMS), LoRa, and Bluetooth connectivity. This document details its…

ESP32 LoRa V3 WIFI Bluetooth Development Board - Technical Overview and Usage Guide

Product Overview

A comprehensive guide to the ESP32 LoRa V3 WIFI Bluetooth Development Board by Heltec, detailing its product description, technical specifications, power characteristics, pinouts, hardware resources, dimensions, and step-by-step instructions for…

Heltec Mesh Node HT-n5262: Bluetooth & LoRa Development Board

Datasheet

Comprehensive guide to the Heltec Mesh Node HT-n5262, a development board featuring nRF52840, SX1262 LoRa, Bluetooth 5.0, and an optional 1.14-inch TFT display. Covers specifications, pin definitions, power consumption, RF…

Heltec Indoor Hotspot User Manual: HNT Miner & Helium LongFi Setup Guide

User Manual

Comprehensive user manual for the Heltec Indoor Hotspot, a Helium LongFi HNT Miner. Learn about specifications, setup, interface, and regulatory compliance.

Heltec HT-M2808 Indoor LoRaWAN/LongFi Hotspot User Manual

manual

User manual for the Heltec HT-M2808 Indoor LoRaWAN/LongFi Hotspot, covering activation, LED descriptions, power button functions, Bluetooth, and local diagnostic page access.

Heltec ESP32+LoRa Series Quick Start Guide

quick start guide

A quick start guide for setting up and using the Heltec ESP32+LoRa series development boards with the Arduino IDE, covering installation methods and basic programming examples.

Heltec manuals from online retailers

Heltec Smart BMS User Manual

8-24S Smart BMS • February 6, 2026

Comprehensive user manual for the Heltec 8-24S Smart BMS with active balance, covering setup, operation, specifications, and troubleshooting for LiFePO4, Li-Ion, and LTO battery packs.

Heltec Wireless Brushless DC Controller User Manual

HT-BLDC2000W72-CA, HT-BLDC2500W72-JH • January 26, 2026

Comprehensive user manual for Heltec 2000W and 2500W Wireless Brushless DC Controllers, including specifications, installation, operation, and maintenance for electric scooters, e-bikes, and tricycles.

Heltec BMS User Manual

6S/7S/10S 30A/60A BMS • January 14, 2026

Official user manual for Heltec 6S, 7S, 10S 30A/60A Battery Management Systems, providing setup, operation, maintenance, and troubleshooting guidance for Li-Ion, LiFePO4, and LTO battery packs.

Heltec LTO BMS User Manual

LTO BMS (Multi-string 4S-10S) • January 12, 2026

Instruction manual for Heltec 4S-10S 15A Lithium Titanate Battery Management System (BMS) with balancing function, including specifications, setup, operation, and maintenance.

Heltec LoRa32 V4 Meshtastic GPS ESP32 WIFI+BLE SX1262 LoRa 0.96inch OLED Solar Powered Dev-Board Mesh Network + Battery + Shell User Manual

LoRa32 V4 • December 17, 2025

Comprehensive user manual for the Heltec LoRa32 V4 development board, featuring ESP32-S3R2, SX1262 LoRa, Wi-Fi, BLE, GPS, and OLED display. Includes setup, operation, specifications, and troubleshooting for IoT…