A Peltier Module Temperature Chamber

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One of our interns built a “hot box” out of wood a few years ago.  What’s a “hot box” you ask?   Beyond something you’d find in a Paul Newman prison flick,  its pretty much a poor man’s temperature chamber. Except the temperatures only go up from ambient.  I’ve been surprised how often we use it, and how well it has held up, considering it was put together with wire-wrap and  off-the-shelf development boards.  But I’ve decided to take that old axiom “if it ain’t broke don’t fix it” and throw it out the window.

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