Ebyte E32-433T20D - 4 Connect to Mcu; 5 Function Description; Fixed Transmission

Chengdu Ebyte Electronic Technology Co,;Ltd E32-433T20DC user manual
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outputs low level. Can be configured as push-pull output
(suspending is allowed).
6
VCC
Input
Power supply ：2.3~ 5.2V DC
7
GND
Input
Ground
8
Fixed orifice
-
Fixed orifice
9
Fixed orifice
-
Fixed orifice
10
Fixed orifice
-
Fixed orifice
4 Connect to MCU
No.
Description（STM8L MCU）
1
The UART module is TTL level.
2
For some M CU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.
5 Function description
5.1 Fixed transmission