Recommended Wiring Diagram - Ebyte E32-433T20D User Manual

Chengdu Ebyte Electronic Technology Co., Ltd.
pin
pin name
number
1 M0
2 M1
3 RXD
4 TXD
5 AUX
6 VCC
7 GND
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8
hole
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9
hole
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10
hole

4 Recommended Wiring Diagram

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Pin Orientation
Input (very weak Cooperate with M1 to determine the 4 working modes of the module.
pull-up) be left floating, can be grounded if not used)
Input (very weak Cooperate with M0 to determine 4 working modes of the module.
pull-up) left floating, can be grounded if not used)
TTL serial port input, connected to the external TXD output pin;
enter Can be configured as open-drain or pull-up input, see parameter settings for
details.
TTL serial output, connected to external RXD input pin;
output Can be configured as open-drain or push-pull output, see parameter settings
for details.
Used to indicate the working status of the module;
The user wakes up the external MCU, and outputs a low level during the
output power-on self-test initialization;
It can be configured as open-drain output or push-pull output, see parameter
settings for details.
enter Positive reference for module power supply, voltage range: 2.3 to 5.5 V DC
enter Module ground
fixing hole
fixing hole
fixing hole
E32-433T20D User Manual
pin usage
(can be left floating)
(Cannot
(Cannot be
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