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Main image of TTL to RS232 Module Male Female Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port Communicates with RS232 Level Device 15KV ESD Protect (Female)

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TTL to RS232 Module Male Female Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port Communicates with RS232 Level Device 15KV ESD Protect (Female)

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Uses: TTL serial port communicates with RS232 level devices. Serial expansion of the device. RS232 port communication with Computer PC.; Supports 3-5.5V power supply.15KV ESD Protect; RS232 can choose male or female.; The package contains six DuPont wires.; Use high-quality chips. In order to facilitate the use of the product, each pin is marked, and a schematic diagram of the product is printed on the back of the product.

Overview

Specs

Reviews

Uses The TTL serial port communicates with the RS232 level device. Serial expansion of the device. RS232 port communication with computer PC. Can be used for GPS, electronic compass, car detection, hard disk maintenance etc. (Need the user staff with a certain degree of professional knowledge and operational capabilities)
Description: Supports 3- 5.5V power supply. RS232 can choose male or female. The package contains six DuPont wires. Use high-quality chips. In order to facilitate the use of the product, each pin is marked, and a schematic diagram of the product is printed on the back of the product.
Instructions for use: (Taking the access MCU as an example, how to connect each row of pins)
TTL (UART) side:
VCC: DC 3V- 5.5V
GND: Connect to
GND TXD: Connect to MCU.
RX (Signal Flow: MCU. RX SP3232 RS232.
TX )
RXD: Connect to MCU.
TX (Signal Flow: MCU. TX SP3232 RS232. RX) CTS, RTS is not used by default.
RS232 side:
RXD: Connect RS232.
TX (Signal Flow: RS232. TX SP3232 MCU.
RX) TXD: Connect to RS232.
RX (Signal Flow: RS232. RX SP3232 MCU.
TX) GND: Connect to RS232. GND CTS, RTS is not used by default.
Package Included: 1 pcs TTL to RS232 Module

Additional Information
First Listed on Newegg	August 30, 2026

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Return for refund within: 30 days
Return for replacement within: 90 days
This item is covered by Kepler Forge Return Policy

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Item#: 9SIC72KM5R4239