This is a simple metal sensor DIY electronic kit for electronics beginners. Use 3V-5V battery and take metal to its proximity, it will activate the buzzer. The kit can detect metals up to 5cm.
Supply voltage: 3-5V
Dimensions: 66 * 61MM
Maximum detection range: 5CM
The schematic of the kit is given below:You can see the images below to get tips for assembling the kit. You can find all the images on Flickr also.
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