Version 1.0 | June 2025 | Powered by ThingsLinker
The Tarangify T-LORA-N01 is a versatile LoRaWAN development board designed for rapid prototyping and deployment of low-power wireless sensor nodes.
Built around the RAK3172 LoRa module, this board delivers ultra-low power consumption, reliable long-range connectivity, and flexible sensor integration.
Key highlights include:
- Onboard AHT20 temperature & humidity sensor
- Solar charging interface for off-grid deployments
- Integrated USB-to-TTL for programming & debugging
- Battery voltage monitoring for power-aware applications
- Multiple I/O interfaces for additional sensors and actuators
Applications span environmental monitoring, smart agriculture, industrial automation, smart cities, and remote telemetry.
Specifications
| Parameter | Value |
|---|---|
| Operating Voltage | 3.3 V (regulated from LiFePO₄ or AC/DC source) |
| Battery Support | LiFePO₄ / LiPo / Li-ion (1s) |
| Charging Input | ~6 V (via solar panel) |
| Solar Charging Current | Up to 1000 mA |
| Sensor | AHT20 (I²C) Temp: -40°C to +80°C (±0.3°C), Humidity: 0–100% RH (±2% RH) |
| Voltage Sensor | Resistive divider to PB2 (ADC) |
| LoRaWAN Regions | EU868, IN865, RU864 |
| Communication | UART (AT commands), I²C |
| Operating Temperature | −20°C to +85°C |
Workflow
The T-LORA-N01 communicates over LoRa P2P or LoRaWAN for distances up to ~15 km line-of-sight.
Example use case:
- Solar-powered nodes collect soil moisture & weather data
- Data sent to a LoRaWAN gateway → forwarded to cloud
- Cloud triggers irrigation system via downlink command
Configuration:
- LoRaWAN mode: standard IoT connectivity to gateways
- LoRa P2P mode: direct node-to-node communication
Configuration is done via AT commands through the USB-TTL interface.
Applications
- Environmental Monitoring – Weather, air quality, climate stations
- Smart Agriculture – Irrigation control, soil sensors, weather-based automation
- Asset Tracking – Low-power GPS or RFID-based monitoring
- Industrial IoT – Remote sensor data logging, predictive maintenance
- Smart City – Lighting control, waste bin monitoring, air sensors
- Remote Sensing – Wildlife studies, environmental research
Connectivity Interfaces
| Interface | Function |
|---|---|
| UART1 | External modules |
| UART2 | USB-TTL serial |
| I²C | Shared with onboard AHT20; available for external devices |
| PB4 | GPIO / Analog input |
| PA15 | LED control |
| PB5 | Addressable RGB LED |
Onboard Sensors
| Sensor | Type | Interface | Purpose |
|---|---|---|---|
| AHT20 | Temp + Humidity | I²C | Environmental data |
| Voltage Divider | Analog | PB2 (ADC) | Battery/supply monitoring |
Power Management
- Solar Input: Up to 6 V
- Battery Charging: Supports 3.6 V (LiFePO₄) and 4.2 V (LiPo/Li-ion)
- Low Power Modes: Deep sleep ~2–5 mA
- Active LoRa TX: ~250–350 mA
Environmental Ratings
| Parameter | Value |
|---|---|
| Operating Temp | −20°C to +85°C |
| Storage Temp | −20°C to +75°C |
| Humidity | 10%–90% RH (non-condensing) |
| Cooling | Natural convection |
Ordering Information
| Product Code | Description | Color |
|---|---|---|
| T-LORA-N01 | Node Development Board | Black |
Mechanical Drawing
Dimensions in mm, tolerances ±8% length/width/height, ±1 mm pin length, −0.2 mm pin diameter.
Node PCB Highlights
- RAK3172 LoRa module
- AHT20 sensor
- Integrated USB-TTL programming
- LiFePO₄ battery terminal
- Solar charging terminal
- RGB LED + status LED
- Configurable GPIO PB4
- Reset & boot headers
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