This circuit is a simple mixer circuit. It can mix two signal channels and one channel is output. Using a codec circuit, Convert stereo audio to mono audio time. Simple FET Audio Mixer Circuit In-circuit a FET number 2N3819 is main, it is better than common transistors that a high impedance input and high gain … Read more
This is a simple musical sound circuit using UM66T IC.It use just integrated IC loudspeaker, piezo buzzer, Small-sized and low current power supply 3V only […] Read more
This is a megaphone circuit diagram using a signal sound amplifier from a condenser microphone to a higher signal at a small-sized loudspeaker. There are two circuit diagrams to create. See below Simple LM386 megaphone circuit It composes the importance is a microphone preamplifier (pre mic), use transistor just one enlarge sound signal gives the … Read more
This is Sound effects two tone circuit, which generally abound measure various both of kinds use IC frequency origin oruse the transistor. The sound will that is proportionate big depend on the value of R and C. For this circuit is will building sound of pale long tail or clock ancient sound.The work of the … Read more
This is Simple monitor turn on delay circuit, by use contact of relay acts as a switch. When entering an AC main to this circuit. The circuit will delay while Reduce the surge current protection with fuse. Read more