1. Produk Langkungview
The EBYTE E104-BT52 series comprises low-power consumption Bluetooth to serial port modules, designed for transparent transmission and various wireless applications. These modules utilize either the DA14531 or DA14535 chip solutions, supporting BLE 5.0 and BLE 5.3 protocols respectively. They are built with industrial-grade components, ensuring reliable performance in a wide range of environments.


2. Spésifikasi
The E104-BT52 series offers various models with distinct features and specifications. Below is a detailed comparison and individual model parameters.
2.1 Spésifikasi Umum

Key parameters from the comparison table:
- Chip Solutions: DA14531 (BLE5.0) or DA14535 (BLE5.3)
- Operasi Voltage: 2.1~3.6V (DA14531), 1.8~3.6V (DA14535)
- Suhu operasi: -40~+85°C
- Pita frékuénsi operasi: 2402~2480MHz
- Antarmuka komunikasi: UART
- bungkusan: SMD
2.2 E104-BT52X Main Parameters

- Frékuénsi gawé: 2402 ~ 2480MHz
- kakuatan transmisi: 0dBm
- Measured distance: 130m
- Communication interface: UART Serial Port
- Dormant broadcast current: 9.44µA
- Pagawean voltage: 2.1 ~ 3.6V
- Tingkat komunikasi: 3.3V
- Sensitipitas panarima: -94dBm
- Antenna form: 3rd generation IPEX
- Ukuran: 10 × 10mm
- Working temperature: -40~+85°C
- Encapsulation method: SMD
2.3 Dimensi Fisik

- E104-BT52X / E104-BT52X-V5.3: 10x10mm
- E104-BT52 / E104-BT52-V5.3: 14.5x10mm
- E104-BT52PX: 16x10mm

2.4 Industrial Grade Components


3. Setup and Pin Definitions
3.1 Pin Definitions for E104-BT52 / E104-BT52-V5.3 / E104-BT52X / E104-BT52X-V5.3

3.2 Pin Definitions for E104-BT52PX

3.3 EWT104-BT52 Test Suite Pinout

The EWT104-BT52 Test Suite is designed for easy testing and development. It features a standard 2.54mm pitch female header, full IO lead-out, and LED indicators for power, data transmission/reception, and connection status, along with a reset button.

3.4 Pin-to-Pin Replacement

Modules with PCB onboard antennas (E104-BT52, E104-BT52-V5.3) can be replaced by modules with 3rd generation IPEX antennas (E104-BT52X, E104-BT52X-V5.3, E104-BT52PX) for enhanced transmission distance and smaller size, provided the pinout is compatible.
4. Modeu Operasi sareng Fitur
4.1 Transmisi Transparan
The E104-BT52 series modules are primarily designed for transparent transmission, allowing seamless data transfer between devices via Bluetooth to serial port communication.
4.2 MAC Address Binding

The modules support MAC address binding to resolve directional connection functions in multi-slave environments. This feature allows a module to bind to up to 3 specific devices, ensuring secure and targeted communication.
4.3 Host Mode - Sniffing

In host sniffing mode, the module can discover and localize peripheral devices. The serial port outputs the MAC address and RSSI (Received Signal Strength Indicator) value of these devices in real-time, which is useful for proximity sensing and network management.
4.4 Serial Port Wake-up

Certain models (E104-BT52, E104-BT52X, E104-BT52-V5.3, and E104-BT52X-V5.3) support serial port wake-up, enabling an MCU to quickly wake the module from sleep mode via UART. This feature is crucial for low-power applications where the module needs to conserve energy.
4.5 Over-the-Air (OTA) Upgrade and Configuration


The module firmware can be remotely upgraded (OTA) and configured via a dedicated mobile phone application, providing flexibility and ease of maintenance.
4.6 Communication Distance

In a clear and open environment, with an antenna height of 2.0 meters and a transmission power of 20dBm, the measured communication distance under PHY@1Mbps conditions can reach up to 500 meters.
5. Aplikasi
The E104-BT52 series modules are suitable for a wide range of applications due to their low power consumption, robust design, and versatile communication features.

- Sistem Smart Home
- bacaan méteran nirkabel
- Intelligent Building solutions
- Various Industrial applications
- Intelligent robotics
- Automated data collection systems
6. Pangropéa sarta ngungkulan
6.1 Low Power Consumption Management

The modules are designed for low power consumption, which helps in reducing operational costs and extending battery life in portable or remote applications. Ensure proper implementation of sleep modes and wake-up mechanisms to maximize power efficiency.
6.2 Ngarengsekeun Masalah Umum
- Henteu aya sambungan: Verify power supply, correct pin connections (GND, VCC, TXD, RXD), and ensure both modules are in compatible operating modes (e.g., master/slave). Check for interference in the 2.4GHz band.
- Data Transmission Errors: Confirm UART settings (baud rate, parity, data bits, stop bits) match on both ends. Check signal integrity and cable length.
- Modul Teu Ngabales: Try resetting the module using the RST pin. Ensure the operating voltage aya dina rentang nu ditangtukeun.
- Masalah Pembaruan Firmware: Ensure a stable connection during OTA updates. Refer to the official documentation for specific update procedures and troubleshooting steps.
7. Tips pamaké
- Penempatan anteneu: For optimal communication range, ensure the antenna is placed in a clear, open environment, away from metal obstructions. Consider using an external IPEX antenna for better performance if the module supports it.
- Stabilitas catu daya: Use a stable and clean power supply within the specified voltage range to prevent unexpected behavior or damage to the module.
- Konfigurasi Parangkat Lunak: Always refer to the latest official documentation and software tools from EBYTE for configuring module parameters and performing firmware updates.
- Pertimbangan Lingkungan: While industrial-grade, avoid exposing the module to extreme moisture or physical stress beyond its specifications.
8. Dokuméntasi jeung Rojongan
For detailed technical documentation, datasheets, and software tools, please visit the official EBYTE websitus:
https://www.cdebyte.com/product_serch/E104-BT52/1/
For further assistance or inquiries, please contact EBYTE customer support.
Communication Tutorial Video: A visual guide to setting up communication with the module.





