Desktop PC Com Port RS-232 Header to max3232 Serial TTL URT ATmega8 Arduino wiring testing prototype Posted byGPMay 23, 2021Posted inVideosTags:DIY, howto, idea, tutorial, youtube compared with max232, max3232 is more stable & smooth, working voltage = 3V to 5.5V (no need 5v voltage regulator) Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related