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Heltec WiFi ESP32 LoRa 32 (V3) 863~928MHz SX1278 Ble 0.96 inch OLED ESP32 board kit for Iot maker
SKU
IHC-40555517345835
Categories
Weight
0.050 kg
$15.85
Out of stock
- Weight 35 g
- Dimensions 6.6 × 6.6 × 2 cm
- LoRa Band
- 863~928MHz
Features:
- Operating voltage: 3.3V to 7V.
- Operating temperature range: -40°C to +90°C.
- Support for Sniffer, Station, softAP, and Wi-Fi Direct modes.
- Data rate: 150 Mbps@11n HT40, 72 Mbps@11n HT20, 54 Mbps@11g, 11 Mbps@11b.
- Transmit power: 19.5 dBm@11b, 16.5 dBm@11g, 15.5 dBm@11n.
- Receiver sensitivity up to -98 dBm.
- UDP continuous throughput of 135 Mbps.
Summary
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.
Compared to WiFi LoRa 32 (V2), V3 has made the following upgrades:
| Item | WiFi LoRa 32 (V2) | WiFi LoRa 32 (V3) |
|---|---|---|
| MCU | ESP32-D0 | ESP32-S3 |
| LoRa Node Chip | SX1276 | SX1262 |
| USB Socket | Micro USB | USB Type C |
| Crystal Oscillator | Ordinary crystal oscillator | High precision temperature compensated crystal oscillator |
| Low Power Features in Deep Sleep | ≈800uA | <10uA |
| Other Update | Better impedance matching of RF circuits. |
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 |
Pin Map
Package included:
1 x Development Board
| Weight | 0.050 kg |
|---|
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