Heltec Sufficient IoT Hub
Linux-based IoT hub with Allwinner T113-S3 dual-core ARM Cortex-A7 SoC, LoRa (SX1262), WiFi, Ethernet, and optional LTE. Runs Debian 10 with a dedicated IoT OS, CLI, and web UI for no-code device management.
$33.90
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Specifications
Certifications
Components
Application processor with dual ARM Cortex-A7 cores at 1GHz, 32KB L1 cache per core, 256KB L2 cache. Designed for embedded Linux applications.
Sub-GHz LoRa transceiver supporting 150MHz to 960MHz frequency range with up to +22dBm output power and -148dBm sensitivity.
Bus Interfaces
Heltec Sufficient IoT Hub
A compact Linux system-in-package designed for IoT gateway and automation use cases. Built around the Allwinner T113-S3 SoC with dual-core ARM Cortex-A7 at 1GHz, 128MB DDR3 RAM, and SD card storage (8GB/16GB options).
Key Features
- No-code operation: Dedicated Sufficient IoT OS with CLI and web UI allows users without programming experience to control PWM, I2C, SPI, and LoRa interfaces
- Multi-protocol connectivity: WiFi 802.11 b/g/n, LoRa (SX1262), 10/100 Ethernet, and optional LTE Cat.1
- Gateway-ready: Can function as an MQTT broker, sensor data aggregator, or LoRaWAN gateway (with HT-1303 expansion)
- Low power consumption: ~150mA active, ~100mA standby, 10uA deep sleep
- Industrial temperature range: -40C to 85C
Connectivity
| Interface | Details |
|---|---|
| WiFi | IEEE 802.11 b/g/n (2.4GHz) |
| LoRa | SX1262 -- 433/470-510/863-870/902-928 MHz |
| Ethernet | 10/100 Mbps |
| LTE | Optional Cat.1 module (Micro SIM) |
Interfaces
- I2C, SPI, ADC, PWM
- USB Host (Type-C)
- GPIO header with pin map
Included Accessories
- 2.4GHz WiFi antenna
- LoRa antenna
- Type-C data cable
- 8GB TF card
- Acrylic protective plate
Optional Expansions
- HT-1303 LoRaWAN Concentrator Module
- EG21-G LTE/4G Module
- RGB Extension Panel
Resources
Use Cases
4IoT
Internet of Things applications including connected sensors, actuators, and smart devices that communicate over WiFi, BLE, LoRa, or other wireless protocols.
IoT Gateway
Acting as a local IoT gateway that aggregates data from sensors, runs MQTT broker, Node-RED, or Home Assistant, and bridges to the cloud.
Environmental Monitoring
Monitoring environmental conditions like temperature, humidity, air quality, and weather data using remote sensors.
Smart Home
Home automation devices for controlling lighting, climate, security, and appliances.
Where to Buy
Available Software
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