Electronics Projects, Voice and Touch Switch Circuit article
"analog circuits projects, " tagged with
Circuit works both touch and voice. microphones in the window, door or blow into your home if it is connected and works with sound relay. Do not touch the pins on the relay circuit switches to manually contact paste and apply again until the sound again until it touches or holds permanent contact relay. RL resistance can take the relay instead of the integrated circuit and can remove. CD4013 integrated feature opening and closing constantly adds. While the supply pins to connect the integrated circuit to remember! (- VSS 7 + vdd 14)
Voice and Touch Switch Circuit diagram and pcb: voice-and-touch-switch-circuit.zip
Circuit is tested.