Heltec WiFi LoRa 32 V3 ESP32 SX1262 LoRaWAN Development Board 915 MHz RF Transceiver Module With OLED Display 1PC/2PCS Optional
SPECIFICATIONS
Battery Included: no
Brand Name: Heltec Automation
High-concerned chemical: none
Model Number: lora 32 v3
Origin: Mainland China
Typical Application Fields: Internet of Things (IoT)

Description
WiFi LoRa 32 is a classic IoT dev-board designed & produced by Heltec Automation. Since its launch in 2017, it has been loved by developers and makers. The newly launched V3 version has the same pin sequence as the V2 version and retains Wi-Fi, BLE, LoRa, OLED display, and other functions.
It is the best option for smart cities, farms, homes, industrial control, house security, wireless meter reading, and IoT developers.
WiFi LoRa 32 (V3) supports the following development methods:

Compared to WiFi LoRa 32 (V3), V2 has made the following upgrades:
Product |
WiFi LoRa 32 V3 |
WiFi LoRa 32 V2 |
Display |
|
![]() |
Low Power Feature |
<10μA |
<100μA |
MCU |
ESP32-S3FN8 |
ESP32-D0WDQ6 |
LoRa node chip |
SX1262 |
SX1267 |
Bluetooth |
BLEv5.0 |
BLEv4.2 |
Socket |
2.54Header;Type-c;IPEX(V1);SH1.25Battery Port |
2.54Header;MicroUSB;IPEX(V1);SH1.25Battery Port |

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.
High light
|
Onboard OLED Display
|
|
USB Type C
|
|
Hardware Resources

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, |
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; |
Memory |
384KB ROM; |
Interface |
Type-C USB; |
Battery |
3.7V lithium battery power supply and charging |
Operating Temperature |
-20 ~ 70 ℃ |
Dimensions |
50.2 * 25.5* 10.2 mm |
Pin Map
Demension


Docs & Resource

Packing list
The default packing list without selecting any accessories is as follows:
Item |
Quantity |
WiFi LoRa 32 (V3) |
x1 |
LoRa Antenna |
x1 |
SH1.25×2 Battery Connector |
x1 |
2.54*18 Header Pin |
x2 |
- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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