Seeed Studio RS232, TTL D Sub 9 Pin Female Interface Converter

Most of the MCUs use TTL levels, and the computer serial port generally uses 232 levels. If we want the computer to communicate with the MCU, we need this RS-232 To TTL Conveter (MAX3232IDR). This module is based on Max3232, it supports multiple baud rate communication and theoretically supports communication up to 230400bps baud.

Easy to use
Stable, high speed
High cost performance
±15-kV ESD Protection
Low power consumption
Two Drivers and Two Receivers
DB9 Female Header
Typical Applications
Hand-Held Equipment
Palmtop Pcs