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    Fluke Counter Model 1950A - $65CDN - thoughts?

    Could anyone give me thoughts on this used frequency counter (and it's price)  that's available locally (no shipping charges)?  I'm a total n00b with 3 different projects on the go (though stalled due to lack of time).  2 of the 3 could benefit from a frequency counter with this range.  I don't...
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    frequency detection without oscilloscope

    I'm building an IR transmitter and receiver.  I'm a newbie, working from untested plans, and am still making quite a few mistakes. The transmitter is based on a 555 in astable mode.  I would like to make sure it works and is at least in the same order of magnitude as the desired frequency...
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