Free Electronic Circuits & 8085 projects

Electronic projects with circuit diagram and 8085 microprocessor projects.

Voice control circuit using HN911

Published on Apr 11 2011 // Alarm Control Circuit

Voice control circuit using HN911.

Circuit as shown. It consists of pyroelectric infrared detection module relay control lamp circuits, voice circuits and communication spell buck rectifier circuit. When someone approached the temple, the hall lights turn on automatically, the sound from the Buddhist scriptures; people out of the temple, the sound and light all off. Can be used in the temple, Canon House, etc. unattended and security.