Heltec Lora GPS ESP32 ASR605x nRF52840 and SX1262 node with GNSS GPS Get location Lora Transmission distance up to 7 kilometers

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Please note: 433MHz has been tested and there are no issues with use, it is still the V1 version. 868MHz and 915MHz are V2 versions.

Click to view Heltec Mesh Node T114 Rev 2.0 More Options


1.The circuit board was changed from 4 layers to 6 layers so the RF part and the crystal oscillator part can obtain a more complete ground.
2.The circuit was changed from lead-free to immersion gold process, which is more friendly to signal transmission.
3.The position of some components was adjusted.
4.The RF path was optimized according to the six-layer board structure.
5.The direction of the 2.4GHz Bluetooth antenna and IPEX LoRa antenna interface was changed to make them farther away.
6.The data transmission can sent long data packets on meshtastic.

product

Wireless Tracker

CubeCell GPS-6502
(HTCC-AB02S)

Mesh Node T114

These three products are all LoRa and GNSS, which can obtain location through GPS and then transmit it using LoRa. The transmission

distance can reach 3.5 kilometers in rural or suburban areas, and 7 kilometers in open areas such as pastures

brief
introduction

Wireless Tracker is a development kit based on ESP32-S3FN8. 0.96 inch 160 * 80 LCD display, as well as SX1262 LoRa chip and UC6580 GNSS chip.

HTCC-AB02S is a Dev-Board. Already integrated AIR530Z GPS module

Mesh Node T114 is a development board

based on nRF52840 and SX1262, supports

LoRa and Bluetooth 5.0, optional 1.14 inch

TFT display and GPS module as accessories.

LoRa Band

470-510MHz
863-870MMHz
902-928MHz

470-510MHz
863-870MMHz
902-928MHz

470-510MHz
863-870MMHz
902-928MHz

Options

0.96 inch 160 * 80 LCD display
glue rod antenna
spring antenna

glue rod antenna
spring antenna

1.14 inch TFT display
GPS module
shell
glue rod antenna
spring antenna

Summary

Wireless Tracker is a development kit based on ESP32-S3FN8. It integrates both SX1262 and UC6580 to provide fast GNSS solution for IoT. It can track any object and then upload that data wirelessly by Wi-Fi, Bluetooth, LoRa, and has been widely used in Meshtastick.
supports L1 + L5/L2, and supports GPS, GLONASS, BDS, Galileo, NAVIC, QZSS multi-system joint positioning,
compatible with Arduino,can be widely used in development such as bicycle sharing services, tracking pets or livestock, locating vehicles, tracking children, etc.

CubeCell (TM) is a new product series made by Heltec team, mainly for LoRa/LoRaWAN node applications.
CubeCell (TM) series is based on ASR605x (ASR6501, ASR6502), those chips are already integrated with the PSoC® 4000 series MCU (ARM® Cortex® M0+ Core) and SX1262.support Arduino®,can run the LoRaWAN protocol stably, can easily connect lithium batteries and solar panels.Already integrated AIR530Z GPS module

Mesh Node T114 is aLow Power Consumptiondevelopment board based on nRF52840 and

SX1262, supports LoRa and Bluetooth 5.0 .

which integrated various power interfaces

(5V USB, lithium battery and solar panel)

optional 1.14 inch TFT display and GPS

module as accessories, and has powerful

long-distance communication capabilities,

scalability, and low power design.
With Heltec nRF52 development environment and libraries. you can use it for LoRa/LoRaWAN development work, and also use it to run

some open source projects, such as

Meshtastic.

Main
Features

ESP32-S3FN8+SX1262+UC6580 Chipset, supports Wi-Fi, LoRa, Bluetooth, GNSS.
Low power design of dual-frequency multi-system based on 22nm technology.
Supports L1 + L5/L2, supports GPS, GLONASS, BDS, Galileo, NAVIC, QZSS multi-system joint positioning.
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).
Onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa and GNSS use.
Onboard 0.96-inch 160*80 dot matrix LCD display, which can be used to display debugging information, battery power, and other information.
Support the Arduino development environment.

Perfect Arduino-Compatible!
CE and FCC certification;
Based on ASR605x (ASR6501, ASR6502), those chips are already integrated the PSoC® 4000 series MCU (ARM® Cortex® M0+ Core) and SX1262;
LoRaWAN 1.0.2 support;
Ultra low power design, 21uA in deep sleep;
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);
Good impendence matching and long communication distance.
Onboard solar energy management system, can directly connect with a 5.5~7V solar panel;
Micro USB interface with complete ESD protection, short circuit protection, RF shielding, and other protection measures;
Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing;
Onboard 0.96-inch 128*64 dot matrix OLED display, which can be used to display debugging information, battery power, and other information
Ultra low power design, 21uA in deep sleep;
Use Air530 GPS module, GPS / Beidou Dual-mode position system support;

MCU nRF52840 (Bluetooth), LoRa chipset SX1262.
Powerful display function (optional), onboard 1.14 inch TFT-LCD display contains 135(H)RGB x240(V) dots and can display up to 262k

colors.
Low power consumption, 11 uA in deep sleep.
Operation condition: -20 ~ 70℃, 90%RH(No condensing).
Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
Compatible with Arduino, we provide development frameworks and libraries.
Various Interfaces: 1.25*2P LiPo connector, 1.25*2P Solar panel connector, 1.25*8P GNSS module connector, which greatly increase the extensibility of the board.

Wireless tracker

F&Q

If you encounter an issue where your device is unable to download a program, you can follow these steps to resolve it.

1. Check if the USB cable supports data transfer by verifying if the connected cell phone supports file transfer.
2. Connect the USB cable, press and hold the ‘USER’ key, then press the ‘RST’ key once. Finally, release the ‘USER’ key to initiate the code download.

Upon downloading the code, if the screen does not respond?

Connect the serial port and check whether the node is activated. If the node is not activated, refer to this link to activate it: //docs.heltec.org/general/how_to_use_license.html.

GNSS data is displayed as ‘0,0,0’ ?

1,Confirm your hardware version, V1.1 has changed the power control pin of the GNSS chip (GPIO 3 is set to HIGH on). Please carefully review the schematic or refer to the corresponding hardware version’s example program.

2,GNSS requires open outdoor environments or try with an external antenna.

How 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.

HTCC-AB02S

Mesh Node T114

Mesh Node T114 F&Q

Can the onboard 2.4GHz antenna be replaced?

The 2.4GHz antenna is a multilayer ceramic antenna for BlueTooth communications, it can’t be replaced.

What development methods does it support?

Arduino

PlatformIO

In addition to Meshtastic support, we have also developed a complete LoRaWAN protocol in the nRF52 Arduino framework.

What’s the battery socket type?

You can find this type of socket by search “SH1.25 x 2”.

What is the maximum size of battery supported by the default casing?

The maximum capacity of the shell for carrying batteries is 42 * 28mm, and the default 3.7V lithium battery size is 41 * 24mm

How to enter meshtastic on the screenless version of mesh node 114?

Just download the screenless version firmware and enter the 123456 password.

What is the acceptable battery range for the solar panel connected to mesh node 114?

5V~6.5V, it is recommended to connect solar panels with a voltage of around 5V.

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