Products > Test Equipment

Keysight / Agilent DIY Optical Serial adaptor

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Fallenrecruit:
Couldn't find any info on here or anywhere to make a optical to serial adaptor for Keysight Handheld Dmm's so I decided to try my hand at making my own and it was surprisingly simple.
Currently looks horrible and I have plans to make it better looking and less scuff

Fallenrecruit:
Depending on the usb to serial adaptor used I have found the LED is connected between tx to Vcc, and Vcc set to 5v and on another adaptor I have it has to be connected tx to 3v3.
If unsure measure voltage between Gnd and TX and that will tell where to connect the led to

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