Version 1.0 | June 2025 | Powered by ThingsLinker
The Tarangify T-LORA-RAKESP-G01 is an advanced IoT gateway development board built for edge computing, long-range wireless connectivity, and versatile environmental sensing.
At its heart is the powerful ESP32-S3 microcontroller, paired with the RAK3172 LoRaWAN module for reliable long-range communication. Designed for industrial, smart agriculture, and smart city applications, this board is engineered for seamless local control and cloud integration.
Technical Specifications
Core Processors
| ESP32-S3 | RAK3172 LoRa Module | |
|---|---|---|
| CPU | Xtensa® dual-core LX7 up to 240 MHz | STM32WLE5 |
| Connectivity | Wi-Fi (802.11 b/g/n), Bluetooth LE 5.0 | LoRaWAN EU868, IN865, RU864 |
| Memory | Integrated SRAM & Flash | – |
| Peripherals | GPIO, ADC, DAC, I2C, SPI, UART, PWM, USB-OTG | UART, I2C, SPI |
| Operating Voltage | – | 2.9V ~ 3.6V |
| Temperature Range | – | −20°C ~ +85°C |
Sensors & Peripherals
- RTC: High-precision timekeeping with coin cell backup (I2C)
- AHT20 Sensor:
- Temperature Range: −40°C ~ +80°C, Accuracy: ±0.3°C
- Humidity Range: 0~100%RH, Accuracy: ±2%RH
- Relay: SPDT/SPST, 7.5A at 250V AC or 7A at 14V DC, controlled via GPIO
- Buzzer: Audible alerts
- RGB LED: Status indication
- Voltage Sensor: Resistive voltage divider connected to ADC
- MicroSD Card: SPI interface for data logging
Power Management
- Internal SMPS:
- Input: 100V–240V AC, 50/60Hz
- Output: Regulated 5V DC
- Protection: Over-voltage, over-current, short-circuit
- External DC/Battery Option:
- Input: 5V–40V DC
- Output: 5V regulated
- Battery Support: Li-ion / Li-Po / LiFePO4
- Includes step-down DC–DC converter option
Connectivity & Interfaces
| Interface | Description |
|---|---|
| UART1 | Connected to RAK3172 |
| USB-C | Programming/debugging, USB-OTG |
| I2C | Used by sensors; also exposed for custom peripherals |
| SPI3 (VSPI) | Peripheral communication |
| GPIO | Multiple exposed pins for sensors, control, and status |
| TTL | Debug and programming via serial |
| SD Card | SPI-based data logging |
Applications
- Smart agriculture: soil monitoring, irrigation control, weather stations
- Environmental monitoring: temperature, humidity, air quality sensing
- Industrial IoT: equipment status, predictive maintenance
- Smart cities: lighting, waste management, remote sensing
- Asset tracking: low-power long-range data transfer
Workflow Example
The T-LORA-RAKESP-G01 communicates wirelessly over distances up to ~15 km (line of sight) using custom LoRa P2P protocols or integrates into LoRaWAN networks.
For instance, it can:
- Collect real-time soil moisture data from remote nodes
- Forward data to a gateway or cloud
- Activate irrigation systems automatically when the moisture is low
Mechanical & Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | -15°C to +55°C |
| Storage Temperature | -20°C to +75°C |
| Humidity (non-condensing) | 10% to 90% RH |
| Cooling | Natural convection |
Ordering Information
| Product Code | Description | Color |
|---|---|---|
| T-LORA-RAKESP-G01 | Tarangify Gateway Development Board | Green |
Gateway PCB Overview
Includes:
- RAK3172 LoRa module
- ESP32-S3 processor
- MicroSD card slot
- BME688 sensor
- Relay, buzzer, voltage sensor
- RGB LED
- RTC module
- Battery connector and charger
- USB-C interface
- Additional GPIO and header pins
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