WiFi LoRa 32 V4 ESP32-S3R2 IoT Dev Board | 0.96" OLED
WiFi LoRa 32 V4 ESP32-S3R2 IoT Dev Board | 0.96" OLED
WiFi LoRa 32 V4 – ESP32-S3R2 Tri-Mode IoT Development Board with 0.96" OLED
The WiFi LoRa 32 V4 is the fully upgraded flagship of the popular LoRa development board series. Built on the powerful ESP32-S3R2 microcontroller and the SX-1262 LoRa chip, this board packs tri-mode connectivity — Wi-Fi, Bluetooth LE, and LoRa — into a compact 51.7 × 25.4 × 10.7 mm footprint. With 16 MB of flash, 2 MB PSRAM, a bright 0.96-inch OLED display, solar charging support, and an optional GNSS interface, it is the go-to platform for professional IoT prototyping and deployment.
Made in Mainland China.
Key Features
- Tri-Mode Connectivity: Wi-Fi 802.11 b/g/n (up to 150 Mbps), Bluetooth 5 / BLE / Mesh, and LoRa (433–510 MHz & 863–928 MHz)
- High-Power LoRa: Transmit power up to 28±1 dBm for extended long-range coverage; receive sensitivity down to –137 dBm
- Robust Memory: 16 MB external flash + 2 MB PSRAM — ideal for complex UIs and data-intensive applications
- 0.96" OLED Display: SSD1315 driver, 128×64 resolution, operating range –40°C to 70°C
- Solar & Battery Ready: SH1.25-2P solar panel connector and optimised lithium battery management (3.3–4.2 V)
- GNSS Expansion: New SH1.25-8Pin GNSS interface for positioning applications
- USB Type-C: Multi-layer protection including ESD, short-circuit protection, RF isolation, and voltage regulation; ultra-low standby current <20 µA
- Die-Cast PC Screen Protector: Integrated 2.4 GHz FPC antenna with ruggedised housing
- V3-Compatible Pinout: Drop-in upgrade for existing WiFi LoRa 32 V3 projects
- CE & RoHS Certified
Full Specifications
| Main Controller | ESP32-S3R2 |
| LoRa Chip | SX-1262 |
| LoRa Frequency | 433–510 MHz / 863–928 MHz |
| Max TX Power | 21±1 dBm / 28±1 dBm |
| Max RX Sensitivity | –137 dBm |
| Wi-Fi | 802.11 b/g/n, up to 150 Mbps |
| Bluetooth | BLE 5, Bluetooth Mesh |
| OLED | SSD1315, 0.96", 128×64 |
| Storage | 384 KB ROM | 512 KB SRAM | 16 KB RTC-SRAM | 16 MB Flash | 2 MB PSRAM |
| Power Supply | 5 V USB / Solar; 3.3–4.2 V Battery |
| Hardware I/O | 7× ADC1, 2× ADC2, 7× Touch, 3× UART, 2× I2C, 2× I2S, 4× SPI |
| Interfaces | USB Type-C; SH1.25-2P Li-Battery; SH1.25-2P Solar; 2× IPEX 1.0 ANT; 2× 18-pin + 2× 2-pin 2.54 mm headers |
| Operating Temperature | –40°C to 85°C (OLED: –40°C to 70°C) |
| Dimensions | 51.7 × 25.4 × 10.7 mm |
| Certifications | CE, RoHS |
Application Scenarios
- Smart cities & smart home automation
- Industrial IoT & industrial control systems
- Environmental & agricultural sensor networks
- Asset tracking & GPS/GNSS positioning
- Remote wireless meter reading
- Security & wireless alarm systems
- Maker / geek innovation projects
Expansion Enclosure (Optional)
A custom-fit plastic expansion enclosure is available for the WiFi LoRa 32 V4. It accommodates a 14500 lithium battery (not included), an internal GPS module, and supports an external antenna. Available in Grey, Red, or Blue. Dimensions: 75 × 62 × 18 mm; operating range –10°C to 55°C. Includes housing × 1, screws × 4, battery contacts × 1 set, and keycaps × 2.
What's in the Box
- 1× WiFi LoRa 32 V4 Development Board
- 1× Spring Antenna
- 2× Terminal Cables
- 4× Pin Header Assemblies
- 1× GPS Module (optional)
- 1× Large Antenna (optional)
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Frequently Asked Questions
Q: What wireless protocols does the WiFi LoRa 32 V4 ESP32-S3R2 development board support?
A: The board supports tri-mode wireless communication: Wi-Fi 802.11 b/g/n (up to 150 Mbps), Bluetooth 5 / BLE / Bluetooth Mesh, and LoRa (433–510 MHz and 863–928 MHz). This makes it extremely versatile for a wide range of IoT applications from short-range home automation to long-range sensor networks.
Q: Is the WiFi LoRa 32 V4 compatible with the previous V3 version?
A: Yes. The V4 maintains the same form factor and pinout as the WiFi LoRa 32 V3, making it a seamless drop-in upgrade for existing projects. The V4 adds enhancements including higher LoRa transmit power (up to 28±1 dBm), solar charging input, GNSS interface, improved battery management, and a USB Type-C port with multi-layer protection.
Q: Can the WiFi LoRa 32 V4 be powered by a solar panel or battery?
A: Absolutely. The board includes a dedicated SH1.25-2P solar panel connector for solar charging and supports lithium battery operation at 3.3–4.2 V via the SH1.25-2P battery connector. It can also be powered at 5 V through its USB Type-C port, giving you flexible power options for remote and off-grid deployments.
Q: What is the LoRa transmission range and power of this development board?
A: The SX-1262 LoRa chip on this board achieves a maximum transmit power of 28±1 dBm and a maximum receive sensitivity of –137 dBm, enabling long-range wireless communication well-suited for applications such as smart agriculture, asset tracking, and remote meter reading across open environments.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.