MAX3232 RS232 to TTL Serial Port Converter Module
RS232 TTL Converter. This adapter helps to convert TTL (Transistor-Transistor Logic) level signals to the RS232 interface.
SPECIFICATION
4 pin connector - GND, Logic out (STX), +5v, Logic In (SRX)
- Suitable for use with most microcontrollers
- 300 to 115200 bauds
- Pre-assembled board
- DB9 Female Connector (RS-232)
- Standard Header Connector (TTL)


