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External interrupt 1
Connection Mode: 3PIN
signal LED OFF output is High
When the sound level exceeds the setpoint
Applications include situations where it is not desirable or possible for moving elements to make direct contact with the switch
Max232 Rs232 To Ttl Converter Module Db9 Serial Port Connector portable printer External interrupt 1This RS232 to TTL Serial Interface Module is a board with the MAX3232 transceiver integrated circuit (IC). It facilitates serial communication between TTL and RS232 ports by providing the necessary electrical signal conversion. These boards usually have a DB9 connector soldered at one end, and four header pins with jumper cables at the other end. The jumper cables enable the user to connect the wires to a breadboard or a microcontroller project board,
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