Solar collector pump controller

Solar collector pump controller

Solar collector pump controller based on MCU ARM STM32Fo Video sample     Example how get temperature from DS18s20 via UART int main(void){ int i;…

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GUANELLA 4:1 current BALUN for QRO

GUANELLA 4:1 current BALUN for QRO

GUANELLA 4:1 current BALUN for QRO 73! de LY3H

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CW 500Hz filter for Yaesu FT-847

CW 500Hz filter for Yaesu FT-847

YF-122C filter manual connection for Yaesu FT-847 Work very weel! 500Hz filter sample 73! de LY3H  

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