Metal Detector Locator Security Inspect Electronic Diy Component Board Kit


Description : This is metal detector circuit board electronic DIY Components kits, this item can detect any metal,coin,stainless any thing which was made by the metal,about 2.5-4cm distance for sensor to detect the metal depend on how big of metal, if it is small size, it can detect about 2.5cm, example coin. Specifications : Name : Metal Detector DIY kits 1.Power Supply : 3 1.5V AA DC (NOT INCLUDE ) 2.Detection distance : 2.5-4cm depend on size of metal 3.Buzzer alarm when sensor can detect the metal Note : 1.Away from the metal,it should stop voice,if no,you should adjust a little by potentiometer anticlockwise direction and try it again. 2. Change a little C5 capacity can be changed the frequency of the voice. Operating principle : 1.Q1, L1, L2, C2, C3, R1, W compose high-frequency oscillation circuit, adjusting the potentiometer W, can change the oscillation gain, the oscillator is in the critical state of oscillation, that is to say, just make the oscillator start up. 2.Q2, Q3 det Lees meer over de Metal Detector Locator Security Inspect Electronic Diy Component Board Kit van huismerk in de productgroep arduino compatible scm en diy kits
5,95
Merk | huismerk |
verzendkosten | 0.00 |
artikelnummer | dd1140508 |
voorraad | 0 |
Levering | Bezorgen of afhalen |
Staat | Nieuw en Tweedehands |
Aanbieding | Bekijk de prijs |
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