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Here is a VLF receiver tuned to 300 kHz designed to detect the crackle of approaching lightning. A bright lamp flashes in sychrony with the lightning bolts indicating the proximity and intensity of ...

Simple Sound Processor presented here is an ultra-simple circuit module suitable for almost all basic electronics and microcontroller projects. For example, this module can be used as a front-end in ...

If you are searching for a simple way to learn about electronics that requires no soldering and is delivered to your door on a monthly basis you may be interested in Crazy Circuits which take the form ...