Chengdu Ebyte Electronic Technology Co.,Ltd.
E90-DTU(433L30E)-V8 User Manual
Copyright ©2012–2022,Chengdu Ebyte Electronic Technology Co.,Ltd.
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The purpose of the wake-up code is to wake up the digital radio working in the "power saving mode", and the data
sent by the "wake-up mode" will also be received in the "normal mode" and "wake-up mode";
[Note] This product does not support the configuration of "power saving mode" as a gateway;
4.2.3. Communication key
The key can only be configured and cannot be read. The configuration is always displayed as 0 (the configuration
range is 0 to 255). The key is used for user encryption to avoid the interception of wireless data in the air by similar
modules. The "gateway" will use these two bytes as a calculation factor to transform and encrypt the wireless signal
in the air.
Since the key cannot be read, the correct key needs to be entered during configuration, otherwise the device will
encrypt the communication data with 0.
To configure the key, you need to enable the "ciphertext function"
4.2.4. Broadcast monitoring
Set the "gateway" wireless address to 0xFFFF: it can monitor the data transmission of all modules on the same
channel; the sent data can be received by modules with any address on the same channel, thus playing the role of
broadcasting and monitoring
4.2.5. fixed point transmission
Support address function, the host can transmit data to any address, any channel module, to achieve networking
applications: For example: module A (address is 0x00 0A, channel is 0x0A) needs to send data to module B
(address is 0x00 05, channel is 0x05) Transmit data AA BB CC (HEX: 41 41 20 42 42 20 43 43), its
communication format is: 00 05 05 41 41 20 42 42 20 43 43, where 00 05 is the address of module B, and 05 is the
channel of module B, then Module B can receive AA BB CC (other stations do not receive data).
For example, configure the device (DEV01) as the parameters in the figure, connect the PC to the "gateway radio",
refer to "Quick Start", (DEV02) is the same series of "serial radio" (sold separately), and also configure the
corresponding parameters in the figure.
