555 Metal Detector SMD
author: hutchcj
2 layer board of 0.61 x 0.37 inches (15.5 x 9.3 mm)
Uploaded:
April 12, 2014
Shared:
April 18, 2014
Total Price:
$1.10
555 Metal Detector SMD
Not the best Metal Detector on the market, but OK for a but of fun.
Just Google ‘555 metal detector’ and you’ll find the circuit diagram and more information.
Component sizes: IC1 - SOIC8, R1 - 0805 (47k), C1/C2 - 3216 (2.2uF), C3 - 3528 (10uF)
Coil should be 10mH
Speaker should be 8ohm
555 Metal Detector SMD
Not the best Metal Detector on the market, but OK for a but of fun.
Just Google ‘555 metal detector’ and you’ll find the circuit diagram and more information.
Component sizes: IC1 - SOIC8, R1 - 0805 (47k), C1/C2 - 3216 (2.2uF), C3 - 3528 (10uF)
Coil should be 10mH
Speaker should be 8ohm
