I got this nice little number pad with white Alps switches, but it has an odd connector.
Instead of USB, it looks like a stereo headphone jack, but is just a bit smaller.
What is this connector, and can I make it work with USB?
I can use a soldering iron but am mostly ignorant about circuitry. Step-by-step suggestions/instructions are very helpful.
It was made in Taiwan, but there is no brand and the serial number is blank.
Thanks!
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