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.
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.
Specifications
| Parameters | Description |
|---|---|
| Master Chip | ESP32-S3FN8 (Xtensa®32-bit lx7 dual core processor) |
| LoRa Node Chip | SX1262 |
| USB to Serial Chip | CP2102 |
| Frequency | 863~928MHz |
| Max. TX Power | 21±1dBm |
| Max. Receiving sensitivity | -136dBm@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 |
Pin Map
Product Inclusion
- x1 – Heltec WiFi LoRa 32 (V3) Pre-flashed with Meshtastic
- x1 – LoRa Antenna
- x1 – SH1.25×2 Battery Connector
- x2 – Pin Headers
- x1 – Shell Case
Documentation & Resources
- [Resource] — Heltec ESP (ESP32&ESP8266) framework (Include LoRaWAN library)
- [Resource] — Hardware Update Logs
- [Attachment] — Heltec ESP32 library
- [Attachment] — Schematic diagram
- [Attachment] — Pin Map
- [Resource] — User manual and related documents
- [Resource] — Downloadable Resources
RAK LILYGO Heltec & Developer Board Warranty Policy – Rokland
Dev board return policy
Development boards are specialty items that generally cannot be resold on return, especially if the firmware has been flashed. Defective boards can be replaced or returned for refund within 30 days of purchase. Non-defective boards can be returned in the same time frame if in like-new condition with a 20 percent restocking fee applied. If the board has had altered firmware or became bricked due to a non-standard firmware flash, the board may not be eligible for return.
Sales tax is required in many states and will be added at checkout if applicable to your delivery state. Tax exempt forms can be sent to our support department.
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