HELTEC WiFi LoRa 32(V3)
In stock (can be backordered)
HELTEC WiFi LoRa 32 is one of the most popular devices for deploying Meshtastic nodes, control and security applications, wireless meter reading, IoT developers etc.
43.83 $ – 54.79 $
41.64 $ – 52.05 $
The HELTEC WiFi LoRa 32(V3) 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.
HELTEC WiFi LoRa 32(V3) 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 | 470~510MHz, 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 |
Docs & Resource
NOTE: External links by Heltec, Pileup is not responsible for its content and accuracy.
- [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
WiFi LoRa 32(V3) In the Box
- 1 x WiFi LoRa 32 (V3)
- 1 x LoRa Antenna
- 1 x SH1.25×2 Battery Connector
- 1 x Plastic Shell / Enclosure
| Weight | 0.04 kg |
|---|---|
| Dimensions | 10 × 10 × 3 cm |
| Configuration | Standard, Configured |
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