eMagTech 10PCS Mini RS232 MAX3232 to TTL Level Converter Serial Module Board Adapter 3~5V Breakout Computer Cable Adapters Electronic Components

10pcs Mini RS232 MAX3232 to TTL level converter serial module board adapter. The power supply on both sides is connected together, just connect one side. Two independent channels on both sides are available. One side is TXD and RXD channel of RS232, the other side is TXD and RXD channel of TTL.Area near the RS232 is RS232 level, area near the TTL is TTL level. Arrows show the signal flow. The inward means input, outward means output. This is an MAX3232 breakout board, designed to allow the addition of a RS232 connection to a project. This module allows you to connect serial-based projects to RS232, whether programming small microcontrollers or operating a personalised computer keyboard.