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Dragino LHT65 User Manual

Dragino LHT65
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LHT65 Temperature & Humidity sensor 1 / 56
LHT65 Temperature & Humidity Sensor User Manual
Document Version: 1.8.0
Image Version: v1.8
Version
Description
Date
0.9
Draft
2019-May-14
1.0
Release
2019-Jun-15
1.1
Modify activation process, Add TTN Payload Decode
2019-Aug-28
1.2
Fix ACT typo, Add cayenne photo. Battery Analyze. Add notice for single
channel use. Add trouble shooting.
2019-Nov-27
1.3
Add External Temperature Sensor pin connection, Improve ST-Link v2
connection description.
2019-Dec-29
1.3.1
Correct myDevices description
2019-Dec-31
1.3.2
Add how to reset device
2020-Jan-17

Table of Contents

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Dragino LHT65 Specifications

General IconGeneral
BrandDragino
ModelLHT65
CategoryAccessories
LanguageEnglish

Summary

Introduction to LHT65 Sensor

What is LHT65 Temperature & Humidity Sensor

Provides an overview of the Dragino LHT65 sensor's capabilities and purpose.

LHT65 Features

Lists the key features and specifications of the LHT65 sensor.

LHT65 Specifications

Details the technical specifications of the built-in and external sensors.

LHT65 Power Consumption

Describes the idle and transmit power consumption of the device.

LHT65 Storage & Operation Temperature

Specifies the acceptable temperature ranges for device operation and storage.

LHT65 Applications

Outlines the various use cases and industries for the LHT65 sensor.

LHT65 Operation Modes and Data Handling

How to Activate LHT65

Explains the two operating modes (Deep Sleep and Working Mode) and activation methods.

LHT65 How It Works

Describes the default LoRaWAN Class A mode and network joining process.

Example: Joining LoRaWAN Network

Provides a step-by-step guide to connect the LHT65 to the TTN network.

Uplink Payload Details

Explains the structure and components of the sensor's uplink data payload.

Displaying Data on MyDevices

Guides on integrating LHT65 data with the myDevices platform.

Datalog Feature Details

Introduces data logging and details its functions like Unix timestamps and polling.

LHT65 Alarm Mode

Describes the alarm mode feature for temperature alerts.

LHT65 LED Indicator

Explains the function of the triple color LED for status indication.

LHT65 Configuration via AT Command or Downlink

Set LHT65 Transmit Interval Time

Configures the interval for sending data uplinks.

Set LHT65 External Sensor Mode

Sets the operating mode for connected external sensors.

Enable/Disable DS18B20 Probe ID Uplink

Controls the transmission of the DS18B20 probe ID.

Set LHT65 Password

Sets or retrieves the device password for AT command access.

Quit LHT65 AT Command Mode

Exits AT command mode, requiring password re-entry.

Set LHT65 to Sleep Mode

Puts the device into a low-power sleep mode.

Set LHT65 System Time

Sets the device's internal system time using Unix format.

Set LHT65 Time Sync Mode

Configures time synchronization via LoRaWAN MAC commands.

Set LHT65 Time Sync Interval

Defines the interval for synchronizing the device's system time.

Print LHT65 Data Entries by Page

Retrieves stored data entries from flash memory by page.

Print Last Few LHT65 Data Entries

Retrieves the most recent data entries from flash memory.

Clear LHT65 Flash Record

Clears all stored data from the device's flash memory.

LHT65 Battery Information and Replacement

LHT65 Battery Type

Describes the un-rechargeable Li-MnO2 battery used in the LHT65.

How to Replace LHT65 Battery

Provides instructions on how to replace the device's battery.

LHT65 Power Consumption Analysis

Links to a report for detailed analysis of device power consumption.

LHT65 Sensors and Accessories

E1 Temperature Probe

Details the specifications and connection of the E1 temperature probe.

E2 Extension Cable

Describes the E2 extension cable and its pinout.

E3 Temperature Probe

Outlines the specifications of the E3 flat temperature probe.

E5 Illumination Probe

Details the specifications of the E5 illumination probe.

Frequently Asked Questions (FAQ)

How to Use AT Command to Configure LHT65

Explains how to connect and use AT commands for device configuration.

How to Upgrade LHT65 Firmware

Guides on the process of updating the LHT65 firmware.

Change LoRa Frequency Bands/Region

Instructions for changing the device's LoRa frequency and region settings.

Setup LHT65 with Single Channel Gateway

Steps to configure the LHT65 for use with single-channel gateways.

How to Reset LHT65

Provides instructions on how to reset the LHT65 device.

LHT65 Frequency Plan Information

Links to information on the device's frequency plans.

Understanding 00 Payload

Explains why the payload might appear as 00 in certain conditions.

LHT65 Troubleshooting Guide

AT Command Input Not Working

Troubleshoots issues with entering AT commands.

Temperature Shows 327.67°C

Explains the cause of the 327.67°C temperature reading.

Device No Response After Interrupt

Addresses issues where the device does not respond.

US915/AU915 Frequency Band Registration Issues

Provides guidance for registration issues on specific frequency bands.

LHT65 Order Information

LHT65 Packing Information

LHT65 Support Contact

LHT65 FCC Warning

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