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A couple of ATtiny projects (ARC reactor + lighthouse)

By john

Here are a couple of the other ATtiny projects I've worked on.  Only now just writing them up.  They are both pretty simple.

The first was an Iron Man style "ARC reactor" (the circle light in his chest) that I made to go with my son's (shop bought) Iron Man …

A small monobox speaker (LM386 amp + speaker in a box)

By john

I decided to have a go at making a monobox from the MAKE site. It's basically a small battery (or mains) powered amplifier and mono speaker for playing music from an iPod/mp3 player. Here's my finished monobox:

Monobox and iPod

The guide to make the monobox is pretty thorough and lists everything …