Circuit Project Electronic www.eleccircuit.com |
| The PIR Movement detector with light-activated Posted: 03 Feb 2013 04:10 PM PST The movement lasted only one. Did not reach the detection accuracy of Pyroelectric. As product of a Passive infrared detector PIR. It will detect the change of the infrared radiation emitted by people or animals in motion. And the dictates that run the sirens or devices as needed. Principles of PIR. People or animals in the heat radiation spread around. The exact amount is number one. When a motion or movement will cause temperature changes in that area. Thermal energy changes. This results in a heat radiation wave spread out. About 0.74 to 300 microns wavelength corresponding to the frequency of the Infra Red fit. MPCC to the PIR. The MPCC – IC to replace an amp circuits difficult. It also enhances the ability to detect the PIR. In this project, we use number KC778B. It is the function of Enlarge signal of PIR motion detectors provides are strong enough [...]  |
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