UM3561
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Burglar Alarm Circuit A burglar alarm system is an important part of home security systems. This burglar alarm project is based on a PIR sensor, UM3561 and a Speaker. PIR sensor used to detect body motion and UM3561 & speaker to produce a Police siren after any movement detection. Our simple burglar alarm circuit diagram provides an affordable DIY solution for enhancing your home… |
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Siren Generator Circuit While building circuits many times we need to generate sounds like a musical sound or some kind of alerting sound. Instead of building complex circuitry, we have some use full IC to produce the sound like UM66, UM3561 etc. While UM66 have a limitation of generating only one sound, we have UM3561 which is very useful and can generate four types of sound i.e. Police siren,… |