Jan van Zutphen

Jan van Zutphen

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Jan van Zutphen
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hifi diy fm crystal radio

Larry writes -I have heard, even from a physicist, that it is impossible to build FM crystal radios. On the other hand some experimenters claim that they h

#Antenas #WiFi de gran potencia: Enlaces a 1.000 Km. http://www.elladodelmal.com/2014/09/como-construir-antenas-wifi-de-gran.html

#Antenas #WiFi de gran potencia: Enlaces a 1.000 Km. http://www.elladodelmal.com/2014/09/como-construir-antenas-wifi-de-gran.html

Circuito de control por diferencia de temperatura

This circuit measures the temperature difference between 2 sensors and activates a relay when they are different

simple-water-level-indicator

A simple Water level indicator project with circuit diagram for home and industry.This water tank level sensor can be used for any liquid level indicator projects.