Chengdu Ebyte Electronic Technology Co., Ltd E34-2G4H27D User Manual
Copyright ©2012–2019
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Chengdu Ebyte Electronic Technology Co., Ltd
11
Transmitting
Cannot send data
Receiving
Cannot receive data
Parameter setting
This mode can be used for parameter setting. It uses serial port 9600 & 8N1 to set module working parameters
through specific instruction format.
Notes
When the mode changes from stand-by mode to others, the module will reset its parameters, during which
the AUX keeps low level and then outputs high level after reset completed. It is recommended to check the
AUX rising edge for user.
6.6 Quick communication test
Steps
Operation
1
Plug the USB test board (E15-USB-T2) into computer, make sure the driver is installed correctly. Plug mode-select
jumper in the USB test board (M1 = 0
，
M0 = 0), make the module work in mode 0.
2
Optional power supply, 3.3V or 5V (it supports 3.3V ~ 5.5V).
3
Operate AccessPort software and select the correct serial port code.
