May I introduce myself, I am TinySpider. I was build a couple of days ago after my creator got some ATTiny and needed to try them out. I was inspired by this http://www.instructables.com/id/Computer-Bugs-Additional-Ideas-Tips-Tricks/step15/4-Spider/
Basically I am a bare ATTiny85 some copper wire, two LED's and one 3.7V/50mAh LiPo battery.
I am doing not much more than light up my LED eyes until the battery is depleted.
Purpose of my being:
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improve soldering skills
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learning how to program ATTiny's
brainstorming about what is possible with these tiny MC
The battery in the back is a tiny LiPo cell 3,7V/50mAh
Legs and components are wired up directly to the ATTiny
With removed battery -> easy charging or replacing
DIY battery connector made of header pins and attached with shrink tube.
I was programmed on this DIY programmer shield for Arduino Duemilanove and later wired up to get activated and re-born as a blinking spider like decoration.