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This fun science kit combines cutting-edge science, education and fun for all!
Relays are usually used to switch AC voltages by means of an electronic control because of their simplicity. However, when
V12-led scale VU-meter with adjustuble input. Light-bar display. 2 front panels included Specifications Power supply: 12VDC. Sensitivity input: 0.1V-10V Dimensions:
Create your own moving message.
Features Excellent quality, aluminium FM antenna with extended bandwidth in FM frequencies.
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