The ESP32-S3-LR1121-LF is a cost-effective, высокопроизводительная плата разработки микроконтроллера, разработанная Waveshare. Он поддерживает 2.4 ГГц Wi-Fi и BLE 5, and features 4MB Flash and 2MB PSRAM, with an integrated LoRa module.
Equipped with a variety of standard interfaces, it enables rapid development of ESP32-S3-based LoRa IoT applications. Its rich features and interfaces meet the performance and power consumption requirements of applications such as IoT devices, mobile devices, and smart home systems.
Key Features
The ESP32-S3-LR1121-XF is built around the ESP32-S3 MCU and integrates the LR1121 LoRa transceiver, delivering longer communication range, higher reliability, and improved energy efficiency compared to traditional LoRa solutions.
With LoRa modulation, the system achieves long-distance communication, strong interference resistance, and ultra-low power consumption. When paired with a LoRa gateway, it can connect to platforms such as ТТН и ChirpStack, enabling cloud integration and application development.
The board supports multi-band configuration and provides rich peripheral interfaces, making it suitable for various IoT scenarios including outdoor communication, sensor networks, emergency communication, and community networking.
Onboard Resources
- 32-битный двухъядерный процессор Xtensa® LX7, до 240 МГц
- Поддерживает 2.4 ГГц Wi-Fi (802.11 b/g/n) and Bluetooth® 5 (ТО)
- Built-in 512KB SRAM and 384KB ROM
- Integrated 4MB Flash and 2MB PSRAM
- Castellated module design for easy integration
- Богатая периферия:
- 4 × SPI, 2 × I2C, 3 × UART, 2 × I2S, 2 × ADC
- Integrated Semtech LR1121 low-power LoRa transceiver
- Supports Sub-GHz (150–960 МГц), S-band (1.9–2.1 GHz), и 2.4 GHz ISM band
- Supports LoRa, (Г)ФСК, and LR-FHSS modulation
- Compatible with SX126x / SX127x for easy upgrades
- Built-in AES-128 encryption
- Onboard TCXO for stable performance across temperatures
- Suitable for industrial telemetry, умный дом, экологический мониторинг, and remote data acquisition
- Comes with C examples and documentation for rapid development
Specifications
| Параметр | ESP32-S3-LR1121-HF | ESP32-S3-LR1121-LF |
|---|---|---|
| Frequency Bands | 850–930 МГц 1900–2100 MHz 2400–2500 MHz | 410–510 MHz 1900–2100 MHz 2400–2500 MHz |
| Модуляция | Лора, (Г)ФСК, LR-FHSS | Лора, (Г)ФСК, LR-FHSS |
| Скорость передачи данных | Лора: 0.091 ~ 62.5 Кбит/с (Г)ФСК: 0.6 ~ 300 Кбит/с | Лора: 0.091 ~ 62.5 Кбит/с (Г)ФСК: 0.6 ~ 300 Кбит/с |
| Мощность передачи | -9 ~ 22 dBm @ Sub-GHz -18 ~ 13 dBm @ ISM | -9 ~ 22 dBm @ Sub-GHz -18 ~ 13 dBm @ ISM |
| Чувствительность приемника | -127 dBm @ Sub-GHz (SF7, CR4/5, BW 125 кГц) -111 dBm @ ISM (SF7, CR4/5, BW 800 кГц) | -127 dBm @ Sub-GHz (SF7, CR4/5, BW 125 кГц) -111 dBm @ ISM (SF7, CR4/5, BW 800 кГц) |
| Communication Range | Суб-ГГц: 5 км ISM: 2 км | Суб-ГГц: 5 км ISM: 2 км |
| Фактор распространения | SF5 ~ SF12 | SF5 ~ SF12 |
| Logic Voltage | 3.3В (level shifter required for other voltages) | 3.3В (level shifter required for other voltages) |
| Current Consumption | Техас: 111.2 мА @ 22 дБм Техас: 49.6 мА @ 13 дБм прием: 9.2 мА (Суб-ГГц), 8.1 мА (ISM) | Техас: 87.7 мА @ 22 дБм Техас: 52.7 мА @ 13 дБм прием: 9.2 мА (Суб-ГГц), 8.1 мА (ISM) |
| Antenna Interface | IPEX-1 | IPEX-1 |
| Antenna Protection | TVS Protection | TVS Protection |
| Рабочая температура | -40 ~ 85°C | -40 ~ 85°C |
| Interface Type | Castellated / Pin Header, 2.54 шаг в мм | Castellated / Pin Header, 2.54 шаг в мм |
| Размеры | 19.00 × 22.00 мм | 19.00 × 22.00 мм |
Hardware Characteristics
- Antenna Interface: IPEX-1
- Antenna Protection: TVS protection
- Рабочая температура: -40 ~ 85°C
- Interface Type: Castellated / pin header, 2.54 шаг в мм
- Размеры: 19.00 × 22.00 мм
Типичные применения
- Long-range IoT terminals: agriculture, экологический мониторинг, умный учет, outdoor equipment
- LoRaWAN nodes and gateways: smart cities, industrial wireless, emergency communication
- Low-power mesh networks: remote areas without cellular coverage
- Multi-mode wireless devices: Лора + Wi-Fi + BLE hybrid networking with local/cloud data transmission
