1. Introducció
The EBYTE E103-W14 series are advanced dual-mode WiFi and BLE5.2 serial port modules designed for various IoT applications. These modules support IEEE 802.11 b/g/n for WiFi and Bluetooth Low Energy 5.2, offering robust wireless connectivity. They feature multiple working modes, support various network protocols like MQTT, HTTP, TCP, and UDP, and are optimized for low power consumption. This manual provides essential information for the proper setup, operation, and maintenance of your E103-W14 module.
Video: Physical overview of the E103-W14 2.4GHz Wi-Fi wireless module, showcasing its compact size and pin layout.
Imatge: Frontal view of the EBYTE E103-W14 module, highlighting its support for IEEE802.11 b/g/n and BLE5.2 protocols.
2. Especificacions
The E103-W14 series modules offer robust performance with the following key specifications:
Image: Comparison table detailing specifications for E103-W14 and E103-W14X models.
| Paràmetre | E103-W14 | E103-W14X |
|---|---|---|
| Exterior |  |  |
| Protocols WiFi | IEEE 802.11b/g/n | |
| Protocol BLE | BLE5.2 | |
| Banda de freqüència | 2.4GHz (Wi-Fi, BLE) | |
| Flash | 2 MB | |
| Freqüència | 120 MHz | |
| Embalatge | Pedaços | |
| Tipus d'antena | PCB board antenna | IPEX 3rd generation |
| Distància de referència | 200 m | 500 m |
| Mida | 14.5×10 mm | 10×10 mm |
| Pes | 1.2 ± 0.1 g | 0.4 ± 0.1 g |
Additional properties: Type: Module, Package: SMD, Condition: New, Origin: Mainland China.
3. Setup and Pin Definition
Proper connection of the module's pins is crucial for its functionality. Refer to the pin definition diagram and table below for detailed information.
Image: Pin Definition diagram for the E103-W14 module, showing top and bottom pad dimensions and pin numbering.
| Número de pin | Nom del pin | Tipus de pin | Pin Propòsit |
|---|---|---|---|
| 1 | GND | - | Terra de potència |
| 2 | NC | - | Empty feet |
| 3 | VBAT | - | VCC recommended 3.3V |
| 4 | GPIO4 | E/S | GPIO |
| 5 | GND | - | Terra de potència |
| 6 | GND | - | Terra de potència |
| 7 | CEN | I | The chip enable pin is valid at a high level (the module has an internal pull-up, so the customer can use this pin to implement the hardware reset pin function). |
| 8 | ADC1 | I | Analog input pin (no software function yet) |
| 9 | GPIO8 | E/S | GPIO |
| 10 | GPIO9 | E/S | GPIO |
| 11 | NC | - | Empty feet |
| 12 | GND | - | Terra de potència |
| 13 | GPIO9 | I | Default SLEEP wake-up pin (rising edge or falling edge is valid, depending on the actual configuration of the customer) |
| 14 | TXD | O | Module serial port sending |
| 15 | RXD | I | Module serial port receiving |
| 16 | GPIO1 | E/S | GPIO |
| 17 | GND | - | GPIO |
| 18 | GND | - | GPIO |
The module operates with a working voltage of 2.7V to 3.6V. Ensure proper power supply and grounding connections.
Image: E103-W14 module with precise dimensions: 14.5±0.1mm x 10.0±0.1mm.
4. Operating Modes and Protocols
The E103-W14 module supports various operating modes and communication protocols to suit diverse application needs.
4.1 modes de treball
Image: Diagram illustrating the three supported working modes: AP, STA, and AP+STA.
- Mode AP (punt d'accés): Allows wireless devices to connect to the module, acting as a central hub. Supports server, client, and UDP based on TCP/IP. Can connect up to 3 stations and supports up to 6 TCP Socket transmissions.
- STA Mode (Station): The module connects to an existing Access Point or router. It does not provide connection services itself but can function as a TCP server, client, or UDP client in Station mode, supporting up to 6 sockets.
- AP+STA Mode: Combines both Access Point and Station functionalities simultaneously.
The module also supports STA and BLE slave working at the same time, allowing seamless switching between Wi-Fi and BLE slave modes.
Image: Illustration of the module supporting simultaneous STA and BLE operation.
4.2 Protocols de comunicació
The E103-W14 series supports a wide range of network communication protocols:
Image: Visual representation of supported protocols: TCP, UDP, HTTP, MQTT.
- TCP/UDP: Supports both TCP Server/Client and UDP communication modes for reliable and efficient data transfer.
- HTTP Client: Implements all HTTP methods, supports HTTPS protocol, proxy servers, and automatic steering for web-based communication.
- MQTT and MQTTS: Supports MQTT and MQTTS network protocols, enabling connection to cloud platforms such as Alibaba Cloud, Baidu Cloud, and OneNET for IoT data exchange.
- SNTP: Provides lightweight network time acquisition for time synchronization in applications that do not require high time accuracy.
Image: Diagram illustrating HTTP Client functionality, showing client-server interaction.
Image: Diagram showing MQTT/MQTTS protocols for connecting temperature sensors to mobile phones and computers via cloud platforms.
Image: Illustration of SNTP network time acquisition, showing a laptop acquiring time data.
4.3 AT Command Set
The module supports a comprehensive AT command set, simplifying the complexity of embedded device networking and improving the processing efficiency of various IoT modules.
Image: Diagram emphasizing the support for AT command set for configuring the module.
4.4 BLE Features
The E103-W14 series adopts the new Bluetooth 5.2 version, offering powerful performance and excellent features, including Enhanced Attribute Protocol (EATT), Power Control (LEPC), and Isochronous Channel (ISOC). It also includes new features for two-way authentication and data encryption to improve security.
Image: Diagram illustrating BLE packet length automatic adjustment, with a maximum MTU of 244 bytes.
4.5 Low Power Consumption
The module features multiple low power modes and a long connection keep-alive mechanism, enabling flexible use in smart home and industrial IoT applications. The lowest current consumption is only 14uA.
Image: Diagram showing multiple low power modes (PWM, I2C, ADC, UART, SPI interfaces) and the lowest current consumption of 14uA.
5. Manteniment
To ensure the longevity and optimal performance of your EBYTE E103-W14 module, consider the following maintenance guidelines:
- Condicions ambientals: Operate the module within its specified temperature and humidity ranges. Avoid extreme conditions that could damage the components.
- Electricitat estàtica: Handle the module with care, especially in environments prone to static discharge. Use anti-static precautions when installing or removing the module.
- Protecció física: Protect the module from physical impact, dust, and moisture. If integrating into a larger system, ensure adequate enclosure and ventilation.
- Font d'alimentació: Always use a stable and clean power supply within the recommended voltage range (2.7V to 3.6V). Incorrect voltage can lead to irreversible damage.
- Actualitzacions de firmware: Regularly check the EBYTE official website for any available firmware updates. Keeping the firmware up-to-date can improve performance, add new features, and fix bugs.
6. Solució De Problemes
If you encounter issues with your EBYTE E103-W14 module, consider the following common troubleshooting steps:
- Sense alimentació/El mòdul no respon:
- Comproveu que la font d'alimentació voltage is within the 2.7V to 3.6V range and is stable.
- Check all power and ground connections for proper contact.
- Ensure the CEN pin is correctly handled (high level for chip enable).
- Connectivity Issues (WiFi/BLE):
- For WiFi, ensure the module is configured for the correct working mode (AP, STA, or AP+STA) and that network credentials are correct.
- Check antenna connections, especially for the E103-W14X with IPEX antenna.
- Ensure there are no significant obstacles or interference sources affecting the wireless signal.
- For BLE, verify that the host device's Bluetooth is enabled and discoverable.
- AT Command Not Working:
- Confirm the serial port connections (TXD, RXD, GND) are correct.
- Check the baud rate, data bits, parity, and stop bits settings of your serial communication.
- Ensure the AT commands are sent with the correct syntax and termination characters (e.g., CR/LF).
- Comportament inesperat:
- Perform a hardware reset using the CEN pin.
- Re-flash the module with the latest stable firmware.
- Consult the detailed product documentation and datasheets available on the EBYTE weblloc.
7. Consells d'usuari
Here are some tips to enhance your experience with the EBYTE E103-W14 module:
- Start with Basic Examples: Before integrating into a complex project, test basic WiFi connectivity and AT commands to familiarize yourself with the module's operation.
- Gestió d'energia: Utilize the low power modes effectively in battery-powered applications to maximize device lifespan.
- Selecció d'antena: For applications requiring longer range, consider using the E103-W14X model with an external IPEX antenna.
- Integració al núvol: Leverage the MQTT/MQTTS support for easy integration with popular IoT cloud platforms for data logging and remote control.
- Suport comunitari: Explore online forums and communities related to ESP32-based modules (as this is a common platform for such modules) for additional examples, libraries, and troubleshooting advice.
8. Garantia i Suport
EBYTE provides support for its products. For detailed technical documentation, datasheets, and software downloads, please visit the official EBYTE weblloc:
EBYTE E103-W14 Product Page & Downloads
For further assistance, please contact EBYTE customer support through their official channels.
