Audio & Alarm Effects
3 TONE MUSICAL BELL
3
Tone Musical Bell project is built around BT66T (UM66) IC driving LM386 audio
amplifier to give that extra punch.
Audio & Alarm Effects
LIGHT SENSITIVE AUDIO OSCILLATOR
Light
Sensitive Audio Oscillator kit is a fun loving project which will create different
sound effects depending on the light falling on t
Audio & Alarm Effects
Water Level Buzzer
This simple water level buzzer circuit is designed around a BJT (Bipolar Junction Transistor). Small PCB tracks are used as the water level
Audio & Alarm Effects
OTP Voice
aP23170 high
performance Voice OTP is fabricated with Standard CMOS process with embedded 4M bits EPROM. It can store up to 170
