old

  1. nec (up)d1877c, the unknown "cpu".

    hi, i remember getting a 1977 (?) calculator (casio h-1) back in 2017-2018, and after many years letting it get dusty, i decided to disassemble it now. i already disassembled it before twice, the first time was to fix it, and the second time was to extract some components, but after a while i...
  2. D

    Old Radio Antenna

    Hello, I am new here and I need help with an old portable radio antenna. It seems to have gotten the solid tip stuck or fallen into the entire thing. If there is a way to get this solid tip out could you please tell me?
  3. NOS Transistor with brittle leads

    Happy Thursday everybody! I managed to get what is probably a genuine Toshiba 1996 2SA1302 with green epoxy, to repair a PA, and started bending it's leads to match the original which have a semi-circle bent into them, presumably to allow for thermal expansion. They creaked and crackled a bit...
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