3 Tone Audio Oscillator is a simple circuit which will generate audio tone on the press of a button...
3 Tone Musical Bell is a kit built around BT66T (UM66) IC driving LM386 audio amplifier to give that..
3 Tone Siren kit produces Gun Sound, Police Siren and Ambulance Siren effects from a speaker. ..
Audio Oscillator kit simply produces audio tones for use in the range of 115 Hz to 1 KHz. This..
Light Sensitive Audio Oscillator kit is a fun loving kit which will create different sound effects d..
Voice Changer kit can be used to transpose or distort one's voice by encoding the sound appearing at..
Kits has been designed around Holteks HT8970 voice echo IC. Kit can be use in various audio sy..
Voice Modulator kit is designed around HT8950A to provide two special sound effects viz. Vibrato &am..
Water Level Alarm is a simple project to detect and alarm once the water level in tank or Aquarium r..