Here’s circuit that react in presence of any conductor object including humans. This circuit does not detect object movement but can act as a proximity sensor! Sensitivity is adjustable with P1 which will be located at a great distance from the rest of the presence detector circuit. This is the figure of the circuit;
The presence detector is built with a Clapp oscillator at 1MHz. Do not bring metallic objects close to circuit! This circuit can be used as a aggressive liquid detector.
0 comments:
Post a Comment