2PCS Heltec WiFi LoRa 32 V3 Development Board SX1262 0.96 Inch OLED Display BT+WIFI Lora Kit for Arduino IOT Meshtastic LoRaWAN

$78.22

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Summary

"WiFi LoRa 32 V3 also called Heltec V3, durable IoT maker kit powered by the ESP32S3 MCU and

SX1262 LoRa Node chips, intergrated three wireless communication ways ——LoRa、BLE、Wi-Fi,

along with an on-board OLED display, it presents a robust, all-in-one solution.

Its superior RF design and stable, minimal system design ensure the product is ready-to-use and support

for development methods like Arduino, Platform IO, ESP-IDF, and MicroPython makes it beginner-

friendly. It is now widely used in well-known long-range wireless open-source projects such as Meshtastic

and Meshcore, serving applications in smart cities, smart farms, industrial control, and security systems."


Specifications



Parameters

Description

Master Chip

ESP32-S3FN8 (Xtensa®32-bit lx7 dual core processor)

LoRa Node Chip

SX1262

USB to Serial Chip

CP2102

Frequency

470~510MHz,
863~928MHz

Max. TX Power

21±1dBm

Max. Receiving sensitivity

-134dBm@SF12 BW=125KHz

Wi-Fi

802.11 b/g/n, up to 150Mbps

Bluetooth

Bluetooth 5 (LE)

Hardware Resource

7*ADC1 + 2*ADC2;
7*Touch;
3*UART;
2*I2C;
2*SPI; etc.

Memory

384KB ROM;
512KB SRAM;
16KB RTC SRAM;
8MB SiP Flash

Interface

Type-C USB;
2*1.25 lithium battery interface;
LoRa ANT(IPEX1.0);
2*18*2.54 Header Pin

Battery

3.7V lithium battery power supply and charging

Operating Temperature

-20 ~ 70 ℃

Dimensions

50.2 * 25.5* 10.2 mm


Main Features

  • Microprocessor: ESP32-S3FN8 (Xtensa® 32-bit LX7 dual-core processor, five-stage pipeline rack Structure, frequency up to 240 MHz).

  • SX1262 LoRa node chip.

  • 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 0.96-inch 128*64 dot matrix OLED display can be used to display debugging information, battery power, and other information.

  • Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa use.

  • Integrated CP2102 USB to serial port chip, convenient for program downloading, and debugging information printing.

  • Support the Arduino development environment.

  • With good RF circuit design and low-power design.

Dimension



Packing list


2*ESP32 lora development board( include antenna





FAQ



1Can the onboard 2.4GHz antenna be replaced?
  The 2.4GHz antenna is a spring antenna, and there is no additional interface on the board for
  2.4GHz wireless signals.
2Can ESP32’s WiFi and Bluetooth be used at the same time?
No, the WiFi LoRa 32 don’t have an external PSRAM, if your application need use Bluetooth and Wi-Fi at the same time, you can look into this product: Heltec Wireless Bridge.
3What development methods does it support?
4What’s the battery socket type?
5Can I order a version without the OLED display?
6Is V2 code compatible with V3?
7Meshtastic screen has a digital front-end issue?

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