Browse over 10,000 Electronics Projects using the Page Numbering provided at the bottom of each Page.

TTL RS232 Conversion

TTL RS232 Conversion

This small realization, based on one of the most common IC MAX232 is designed to create a small and convenient TTL to RS232 and vice versa convertor.
All you need is 4 caps, one IC and 2 connectors. If you want to add a small regulator on the board (already foreseen on the PCB) you just need to add a 78L05 regulator and a cap.

If you do not need to regulate the power supply, you can just replace the 78L05 by a strap (pin1 to pin 3) and drop the 78L05, C1 and C2.

Visit Here for more.