Product Parameters
Input: 5VDC
Current: 160MA
Input control signal voltage:
The low-level trigger of this module is valid, and the triggering conditions are as follows
Low level 0-2.5V triggers the relay to work after the load circuit is energized;
High level 3.3-5V triggers the relay to disconnect the load circuit and cut off power.
Load voltage: 250VAC
Load current: 2A
Product Introduction
The normal operating voltage of the module is 5V
After the module is connected to the computer through a serial port, it can be controlled to turn on or off the relay through commands on the upper computer software or serial assistant
MICRO USB interface, which can communicate with other devices through a USB cable or a separate serial port interface on the board
Module number: 2 Relay working current: 250mA
Working voltage: 5V
Serial port baud rate: 9600
Module control frequency: 1000Hz
Pin interface description
TX: Serial interface transmitter
RX: Serial interface receiver
5V: Positive power supply
GND: Power Ground
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