T-Halow get it now
Overview
T-Halow is a long-range IoT development board based on ESP32-S3 (16 MB Flash, 8 MB PSRAM). Integrates the TX-AH Wi-Fi HaLow (802.11ah) module (730–950 MHz), OV2640/OV5640 DVP camera (up to 5 MP), RJ45 Ethernet port, TF card slot, and 18650 battery support. Wi-Fi HaLow provides sub-GHz long-range wireless connectivity with up to several kilometers range and better wall penetration than 2.4 GHz Wi-Fi. Suitable for security monitoring, agricultural telemetry, and industrial IoT gateways. 113 × 33 mm.
T-Halow has two hardware versions. Please refer to the VER1 or VER2 documentation depending on your hardware. Both versions use the same AT Command Set.
Quick Start
Example Support
| Example | PlatformIO/Arduino | ESP-IDF | Description |
|---|---|---|---|
| T-Halow Examples | ✓ | Camera, HaLow, Ethernet examples |
PlatformIO
- Install Visual Studio Code and Python
- Search for and install the PlatformIO IDE extension in VS Code
- Clone the T-Halow repository
- Open
platformio.ini, uncomment the desired example under[platformio], pressCtrl+S - Click ✓ to compile, click → to upload
Arduino
- Install Arduino IDE
- Add ESP32 boards URL:
https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json - Copy
T-Halow/lib/contents to your Arduino libraries folder - In Tools → Board, configure:
| Arduino IDE Setting | Value |
|---|---|
| Board | ESP32S3 Dev Module |
| Upload Speed | 921600 |
| USB Mode | Hardware CDC and JTAG |
| USB CDC On Boot | Enabled |
| USB Firmware MSC On Boot | Disabled |
| USB DFU On Boot | Disabled |
| CPU Frequency | 240 MHz (WiFi) |
| Flash Mode | QIO 80 MHz |
| Flash Size | 16MB (128Mb) |
| Core Debug Level | None |
| Partition Scheme | 16M Flash (3MB APP/9.9MB FATFS) |
| PSRAM | OPI PSRAM |
| Arduino Runs On | Core 1 |
| Events Run On | Core 1 |
- Click Upload
Development Platforms
- PlatformIO — Recommended
- Arduino IDE
- ESP-IDF
Video
Key Features
- ESP32-S3 dual-core LX7 @ 240 MHz, 16 MB Flash, 8 MB PSRAM, Wi-Fi + BT 5.0
- TX-AH Wi-Fi HaLow (802.11ah) module, 730–950 MHz, up to 32.5 Mbps, km-range
- OV2640 (2 MP) / OV5640 (5 MP) DVP camera support
- RJ45 Ethernet, TF card, 18650 battery support with ADC monitoring
- 113 × 33 mm
Product Parameters
| Feature | Specification |
|---|---|
| MCU | ESP32-S3 @ Dual-core LX7, 240 MHz |
| Flash | 16 MB |
| PSRAM | 8 MB |
| Wi-Fi | 2.4 GHz 802.11 b/g/n |
| Bluetooth | Bluetooth 5.0 LE |
| Wi-Fi HaLow | TX-AH (802.11ah), 730–950 MHz |
| Camera | OV2640 (2 MP) / OV5640 (5 MP) DVP |
| Ethernet | RJ45 (replaceable firmware) |
| Storage | TF card slot |
| USB | 1 × Type-C (5 V/500 mA) |
| Battery | 18650 (with ADC monitoring) |
| Dimensions | 113 × 33 mm |
Pin Diagram
Pin Mapping
| Camera | IO4 (SIOC), IO5 (SIOD), IO17 (HREF), IO12 (PCLK), IO8 (MCLK), IO16 (VSYNC), IO18 (RST), IO9–IO21/IO47–IO48 (D0–D9) |
|---|---|
| SPI | IO39 (CS), IO41 (SCK), IO40 (MOSI), IO42 (MISO) |
Dimension Diagram
Schematic
Datasheet
Software Development
Dependent Libraries
- (Managed via PlatformIO — see
platformio.ini)
FAQ
Q. Which version of T-Halow do I have? A. VER1 was released 2023-08-23, VER2 on 2024-04-16. Check the PCB or refer to the version table in the GitHub README.
Q. How do I enter download mode? A. Hold BOOT, press RST once, release RST while still holding BOOT, then start the upload.
Q. How do I flash TX-AH module firmware? A. Use the downloader tool or ESP32 flash_download_tool — see firmware flashing documentation.
Version History
| Version | Release Date | Update Description |
|---|---|---|
| T-Halow VER1 | 2023-08-23 | Initial version |
| T-Halow VER2 | 2024-04-16 | Updated pairing method |