Yearly Archives: 2017

Pentax IR Trigger

Several years ago I was into astrophotography and I ended up building a barn door tracker, or Scotch mount, for use with my camera.  For this to work well I also needed a way to trigger my camera without touching

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How NOT To Use Pushbuttons

Switch hack

I decided to try my hand at making a simple ARM Cortex microcontroller board. I based my board on the ARM Pro Mini design. The ARM Pro Mini uses an NXP ARM Cortex M0 chip, and has the nice feature

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