Refer to the Bluetooth virtual serial port debugger - Jialichuang EDA open source hardware platform (oshwhub.com)
for more information:
1. Layout and wiring
2. Small size
3. Using female header link, it can be used as an extended function board
1. Overview The tee module is a A transfer module that integrates Bluetooth, USB and TTL serial port functions. It can realize communication conversion between Bluetooth devices and USB devices or TTL serial devices. This module is widely used in the field of wireless communications, providing convenience for data transmission and communication between devices.
2. Main features The following are the main features and functions of the three-way module:
Features
Bluetooth, USB interface, serial port three interface data transmission
Bluetooth supports slave mode, host mode and master-slave mode
Provide computer-side USB and Bluetooth virtual serial port driver
compatibility There are already serial port software and tools, no need for secondary development.
Supports Bluetooth host connection on Windows/Linux/Android/iOS and other systems.
Two serial port driver modes: manufacturer driver mode and installation-free USB-CDC driver mode.
Bluetooth transmission distance 100m
Bluetooth Transmit power is adjustable in 8 levels.
Supports 3.3V and 2.5V working voltages.
Supports Bluetooth transmission configuration, serial port AT command configuration,
asynchronous serial port, maximum communication baud rate 1Mbps,
serial port supports MODEM contact signal RTS, DTR, DCD, RI, DSR, CTS
serial port supports 5 , 6, 7 or 8 data bits and 1 or 2 stop bits
The serial port supports odd, even, no parity, blank 0, flag 1 and other check modes
full-speed USB device interface, compatible with USB V2.0
32K clock source optional External crystal
tee modules usually have the following interface and pin definitions:
2. Configuration and driver: - According to the specific model and requirements of the tee module, configure and install the corresponding
driver to achieve compatibility with the target device. For driver software, please go to the link to download and search for CH9143 - Nanjing Qinheng Microelectronics Co., Ltd. (wch.cn)
Attachment can be downloaded
3. Burning speed comparison
CH340G burning speed
automatic burner USB speed
automatic burner wireless speed
comprehensive burning Speed ratio CH340G: CH9143USB: CH9143 Bluetooth = 5:3:1
If you don’t pursue speed, you can still use it. It’s convenient.