Who has opinion on the circuit from Popular Electronics January 1967
Hello all!
Who has opinion on the simple metal locator from http://www.swtpc.com/mholley/Popular...PE_Jan1967.htm
Prompt the reference if the theme was discussed earlier, pls.
Than it is possible to replace a microcircuit mL914 ?
Thanks
Hello all!
Who has opinion on the simple metal locator from http://www.swtpc.com/mholley/Popular...PE_Jan1967.htm
Prompt the reference if the theme was discussed earlier, pls.
Than it is possible to replace a microcircuit mL914 ?
Thanks
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