US$ 174.50
Piezo Lydgiver - 3-12Vac 2,5kHz 75dB, ledning Elektroknik 4000K og 6500K
$29.00
Description
4000K og 6500K
Med sin energieffektive teknologi er denne LED-pære både miljøvenlig og økonomisk
WiFi LED-lyskilde som tilsluttes til dit WiFi-netværk via en app som installeres på smartphone/tablet
Homogen belysning takket være COB LED
Piezo Lydgiver - 3-12Vac 2,5kHz 75dB, ledning Elektroknik 4000K og 6500KThe piezoelectric ceramic buzzer has a simple structure in which a ceramic piezo element is glued til a vibration plate. The piezoceramic element expands eller shrinks diametrically when an alternating spnding is applied. This characteristic is used til bend the vibration plate, which generates sound. The acoustic generating method can be subdivided roughly into the self drive oscillation method og the external drive oscillation method. The former
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