68.- Vibration-controlled
music doorbell (1)
Turn the switch 15 on, when
the music stops, touch the
plate 10 installed in the
bottom of the circuit, the
music will resume.
69.- Time-delay
hand-controlled music
doorbell (1)
Replace the vibrating switch
10 with the switch 14, press
once, the music will resume.
70.- Vibration-controlled
music doorbell (2)
Replace the LED with the
vibrating switch 10, touch
the plate softly, and the
music will resume.
Shift the switch to 3V position
ENGLISH-36