TTL triggered stimulus generator

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Scott Harden has a nice build log on his TTL triggered stimulus generator project:

I was presented with a need to rapidly develop a pulse generator to take a TTL input and output a programmable output (for now 0.1 ms pulses at 20 Hz for as long as the input is high). I achieved this with a one-afternoon turnaround and the result looks great! This post documents the design and fabrication of this prototype device, with emphasis placed on design considerations and construction technique.

See the full post at SWHarden.com.

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