The hammer tester

2002-09-23 23:56 by Ian

My first experience working as an independent contract engineer was for my dad at age 19.

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A capacitance meter built from discrete ICs

2000-04-11 23:58 by Ian

Not much to say about this one. It was a project that I saw in an issue of Popular Electronics before it became Poptronics. It is a capacitance meter built from discrete ICs. It creates an RC oscillator and counts the number of wave-fronts over a given period of time to arrive at a value for the unknown capacitance.

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AT Keyboard Interface

1999-06-17 02:36 by Ian

My first HC11 project when I was 16. This device plugs into an AT keyboard and converts the scancodes to ASCII, sending them over an RS-232 port at 9600bps.

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