Product introduction
1.On-board MAX3232 serial communication chip.
2.Onboard 9-pin serial female connector for easy connection with computer serial port.
3.Onboard receiving and transmitting communication indicator.
4.Onboard TTL interface, convenient for communication with single-chip microcomputer.
5. Working voltage: 3.3V-5V.
6. PCB size: 45 (mm) x 31 (mm).

Package Included:
2-Pcs NOYITO MAX3232 Serial Port Module