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2 questions
6
votes
1
answer
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How to protect an electronic construction kit (a toy) from damages?
As I child, I had this electronic construction kit called Elektronik 1. It was manufactured in former Czechoslovakia, based on resistors, diodes, BJT transistors, capacitors, an LW+SW radio antenna ...
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4
votes
1
answer
115
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Are the specs for the "Ears of the World" challenge reasonable?
I saw a post today on the Make blog about a challenge to create an extremely cheap FM/SW radio kit for developing nations. The organization sponsoring the challenge distributes donated wind-up powered ...