XD-26 MCU mini RS232 MAX3232 to TTL converter

Technical parameter: Chip: domestic MAX3232CSE Voltage range: 3V~5V The highest baud rate: not higher than 120kbps Size: 9.4mm*15.9mm The module of positive and negative, on both sides of the power supply is connected together, simply connect the side of can, can use two channels, both sides are independent, the arrow indicates the direction of signal, that is to input, that is outward output, near the RS232 RS232 level is close to the end of the character, TTL character end is TTL level