15 Rs232 To Usb Converter Circuit Diagram. Solder four 4.7uf capacitors to the max232 ic according to the circuit diagram like the photos. There are several ways to do this like rs232 com port, usb port, parallel port, wifi, bluetooth, etc. Build usb powered aa nimh nicd battery charger, install z1 next, ensuring that pin 1 (indicated by a small dot or identation on one corner of the ic) is. These integrated solutions feature wide voltage ranges down to 1.8 v and a variety of channel configurations and data rates for reliable communication in harsh environments.
