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Description
Characteristics
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Description
Summary
WiFi LoRa 32 is a classic IoT dev-board designed & produced by Heltec Automation(TM), it’s a highly integrated product based on ESP32 + SX127x, it has Wi-Fi, BLE, LoRa functions, Li-Po battery management system and 0.96 OLED. It’s the best choice for smart cities, smart farms, smart home, and IoT makers.
Main Features
- Microprocessor: ESP32(dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276/SX1278.
- Micro 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 basic low-power design(sleep current ≤ 800uA).
Specifications
| Parameters | Description |
|---|---|
| Master Chip | ESP32 (240MHz Tensilica LX6 dual-core+1 ULP, 600 DMIPS) |
| LoRa Node Chip | SX1276/SX1278 |
| USB to Serial Chip | CP2102 |
| Frequency | 470~510MHz, 863~923MHz |
| Max. TX Power | 19±1dBm |
| Receiving sensitivity | -135dBm |
| Wi-Fi | 802.11 b/g/n, up to 150Mbps |
| Bluetooth | Bluetooth V4.2 BR/EDR and Bluetooth LE specification |
| Hardware Resource | 22*GPIO; 3*UART; 2*I2C; 2*SPI; |
| Memory | 520KB internal SRAM; 8MB Spi Flash |
| Interface | Micro USB x 1; LoRa ANT(IPEX1.0); 2*18*2.54 Header Pin |
| Battery | 3.7V lithium (SH1.25 x 2 socket) |
| Operating Temperature | -20 ~ 70 ℃ |
| Dimensions | 51 * 25.5* 10.6 mm |
Description
Pin Map
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FAQ
The 2.4GHz antenna is a spring antenna, and there is no additional interface on the board for 2.4GHz wireless signals.
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.
- Arduino
- Micro Python
- Platform.io
- Espressif IDE
We strongly recommend using Arduino. We have complete technical support and provide complete LoRaWAN code for ESP32 Arduino framework.
You can find this type of socket by search “SH1.25 x 2”.
Of course, you can contact our sales staff and provide your ideas.
No, the MCU is different.
Docs & Resource
- [Resource] — Heltec ESP (ESP32&ESP8266) framework (Include LoRaWAN library)
- [Attachment] — Heltec ESP32 special library
- [Resource] — Hardware Update Logs
- [Attachment] — Schematic diagram
- [Attachment] — Datasheet
- [Resource] — User manual and related documents
- [Resource] — Downloadable Resources
Packing list
The default packing list without selecting any accessories is as follows:
| Item | Quantity |
|---|---|
| WiFi LoRa 32 (V2) | x1 |
| LoRa Antenna | x1 |
| SH1.25×2 Battery Connector | x1 |
Characteristics
| Weight | 35 g |
|---|---|
| Dimensions | 6.6 × 6.6 × 2 cm |
| LoRa Band | 433MHz, 470~510MHz, 863~870MHz, 902~928MHz |
| Need Plastic Shell? | Yes, No |
No Reviews
WiFi LoRa 32(V2), ESP32 + SX1262 LoRa Node, Meshtastic and LoRaWAN compatible — Phaseout
What's this?
WiFi LoRa 32 is a classic IoT development board widely used in many open-source projects and IoT products.
This product is gradually being phased out. If you need to create a new project, it is recommended to use WiFi LoRa 32 (V3).
$17.90 – $19.90
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