[futurekit]RAIN ALARM WITH LED (FK1228) [상품코드: 1160258]
This kit is a rain detector circuit, working on the water falling onto the conductive strips on the PCB, which will set off an oscillator of the transistors is to turn ON the speaker and LED.
[Velleman]다기능 Car Coutesy Light(K3500) [상품코드: 13396]
If, like most of us, you do not have infrared eyesight, then at times you have probably found yourself fumbling for the ignition switch or seat belt in the dark. (이제품은 반조립 kit 입니다.)