STB471 - RS232 - DB25 Logic to EIA level converter assembly and testing

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We assemble and test on the logic level to EIA level converts I designed. It uses a DB25 connector and provides either TTL (5V) or 3.3V logic to EIA compatible levels. The board uses the MAX232 for 5V and the MAX3232 for 3.3V.
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Blu Tack can be very handy for soldering in pin headers. Burned my fingers a few times before I started using it.

GameTechRefuge
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Nice video. Thanks for the good content. I think you deserve more subscribers 👍🏼

leonhad