Karel Vacha

Karel Vacha

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Karel Vacha
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Reflex MW radio circuit schematic

Reflex MW radio circuit schematic

Circuit of reflex radio receiver for Middle Wave band

Circuit of reflex radio receiver for Middle Wave band

If you have understood well how to use transistors in circuits, you might have already conquered half of electronics and its principles. In this post we make an effort in this direction. Introduction Transistors are the building blocks of all semiconductor devices found today. If there wouldn’t be transistors there wouldn’t be any ICs or Read More

If you have understood well how to use transistors in circuits, you might have already conquered half of electronics and its principles. In this post we make an effort in this direction. Introduction Transistors are the building blocks of all semiconductor devices found today. If there wouldn’t be transistors there wouldn’t be any ICs or Read More

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grzyby fungi of Poland mushrooms grzyby jadalne grzyby trujące borowik prawdziwek prawdziwki boletus borowik szlachetny borowik ceglastopory borowik usiatkowany koźlarz kozak muchomor czerwony maślak kanie grzybobranie runo leśne Polska Poland podgrzybki muchomor las forest #grzyby #fungi_of_Poland #mushrooms #grzyby_jadalne #grzyby_trujące #borowik #prawdziwek #prawdziwki #boletus #borowik_szlachetny #borowik_ceglastopory #borowik_usiatkowany #koźlarz #muchomor #Polska #Poland #las #forest

Valve Amplifier, Ham Radio, Vacuum Tube, Homesteading, Radios

Identifying Wild Mushrooms

Learn how to identify edible mushrooms, benefits of befriending wild mushrooms, get resources for edible mushroom identification, and more!

Puffballs should be firm, hollow sounding when tapped, pure white when sliced, it they are yellow tinged they are going to spores

Puffballs should be firm, hollow sounding when tapped, pure white when sliced, it they are yellow tinged they are going to spores.