Ebyte E52-400NW22S-TB User manual

Chengdu Ebyte Electronic Technology Co.,Ltd.
E52-400/900NW22S-TB User Manual
该版权及产品最终解释权归成都亿佰特电子科技有限公司所有
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E52-400/900NW22S-TB User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.
E52-400/900NW22S-TB User Manual
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I. Product Introduction
E52-400NW22S-TB：
E52-900NW22S-TB：
1. Used for testing and developing the Ebyte’s E52-400/900NW22S wireless module. The E52-400/900NW22S-TB
has pre welded the E52-400/900NW22S module. Please refer to the module manual for detailed usage.
2.Equipped with a CH340X serial port chip, it can directly develop serial communication.
3.Equipped with a micro USB interface, it can be directly plugged into the computer for use.
4.Users can connect to external power and serial ports on their own.
5. Comes with an 18650 battery box, allowing customers to install the battery themselves for easy development and
testing.
6.Stable work and easy development.

Chengdu Ebyte Electronic Technology Co.,Ltd.
E52-400/900NW22S-TB User Manual
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II. Instructions for use
Serial number description：
①
Micro USB interface, USB to UART
interface
②
Battery power switch
③
UART pin jumper cap
④
Power indicator light
⑤
LED2
⑥
Emission indicator light
⑦
Reset button
⑧
BootLoader button
⑨
Module power supply jumper cap
⑩
IPEX antenna base
⑪
0 Ω resistor, used to switch the RF antenna
interface connection, defaults to the
connection state, and outputs using the SMA
antenna interface. If the customer uses an
IPEX antenna, this resistor needs to be
removed.
⑫
SMA antenna base
Please refer to the E52-400/900NW22S module user manual for specific functions.

Chengdu Ebyte Electronic Technology Co.,Ltd.
E52-400/900NW22S-TB User Manual
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III. Driver Installation
Using the CH340X chip as the serial port, if the computer cannot recognize the serial port, please download
and use the driver software provided by our company on your own; After installation, the serial number can be
recognized in the device manager.
IV. Technical Support
During the development process, please actively contact our technical support. We only support our modules
and do not include basic usage issues with microcontrollers.
About us
Technical support: [e-mail]
Documents and RF Setting download link: https://www.cdebyte.com
Web：https://www.cdebyte.com
Address：Innovation Center D347, 4# XI-XIN Road,Chengdu, Sichuan, China