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A comment on Ask HN: Most interesting tech you built for just yourself?. Parent comment

Re:Ask HN: Most interesting tech you built for just yourself? by mindcrime on Friday April 28, 2023 @11:25AM (#35742388)
[0] I had one of these in the 90s (in the US, where it's not illegal if designed correctly) that connected my Discman to my ridiculously sad factory radio which lacked both external input and even a cassette deck.

Heh. I drive a 2002 Chevy Suburban (don't laugh, I have a strong aversion to spending money on new vehicles) and it lacks an AUX input, so to this day I use one of those low-power FM transmitter adapters to pipe my phone's audio output to the vehicle stereo. They are amazingly handy little gadgets.

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Re:Ask HN: Most interesting tech you built for just yourself? by jonatron on Friday April 28, 2023 @11:37AM (#35742584)
When I had a cassette deck in my car, I added an AUX input by soldering a cable to a chip on the PCB, and running it out through the cassette slot.
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Re:Ask HN: Most interesting tech you built for just yourself? by schwartzworld on Friday April 28, 2023 @04:05PM (#35746409)
That's a product they sell. It looks like an audio cassette with an aux cord coming out of it. I used one for years in my old grand Marquis.
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Re:Ask HN: Most interesting tech you built for just yourself? by jacquesm on Friday April 28, 2023 @04:37PM (#35746806)
That just wires the speaker output of the device to a set of coils sitting right in front of the tape playback head. GP did an end run around that by wiring straight into the trace in between the head pre-amp and the main amp.
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