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$2.4
RS232 to TTL to UART serial port module/DB9 male and female head/screw nut/bidirectional conversion brush cable
【Note】
In the product model options:
[] Common-version,1V8-version is Voltage version.
[] Screw-type,XH254,4P is Output connector.
[] M-screw,M-nut,F-screw,F-nut is DB model.
【Product Overview】
[] The module uses a brand-new original SP3232EEN industrial-grade chip and operates at a voltage range of 3.0-5.5V.
[] The module is active and requires external power supply.
[] The module supports bidirectional level conversion.
[] The newly added version supports 1.8V signal level, but the module’s power supply voltage range remains unchanged at 3~5.5VDC.
[] The main function of the RS232 to TTL module is to facilitate communication between microcontrollers (e.g., MCU, ARM) and computers via the computer’s serial port (COM port).
[] Function 2: It can be used for RS232 and TTL level conversion, allowing both RS232 and TTL signals to be accessed.
[] Function 3: It can be directly connected to the computer’s COM port to access the RS232 level signals. For detailed usage instructions, please refer to the data documentation.
[] In RS232, logic 0 is represented by a voltage range of 3~15V, and logic 1 is represented by a voltage range of -3~-15V. In TTL, logic 1 is generally >2.4V and logic 0 is <0.8V.
【Product Specifications】
Standard Version:
VCC Power Supply Voltage: 3-5.5 VDC
Signal High-Level Voltage: Same as VCC
Operating Current: <10mA
1.8V Version:
VCC Power Supply Voltage: 3-5.5 VDC
Signal High-Level Voltage: 1.8V, with the maximum compatible voltage of the signal pin being VCC
Operating Current: <10
【Interfaces And Indicators】
【Outline Dimensions】