UM3561 - Simple Sound Effects Generator Circuit
This is a very simple. The IC UM3561 produces four differen sound effects, the output at Pin 3 being amplified by the transistor 2N2222. A ...
Beranda » Arsip untuk February 2011
Op-Amp 6-Line Audio Mixer Circuit
As with any audio mixer circuit, a slight loss is always introduced. The final summing amplifier has a gain of 2 or 6dB to overcome this. Th...
Water Activated Alarm Using IC 555 Circuit
This Water Activated Alarm circuit uses a NE555 timer wired as an astable oscillator and powered by the emitter current of the transistor BC...
New Generation of Atmel maXTouch
Atmel has announced the maXTouch E Series of single-chip capacitive touchscreen controllers for touchscreens from 2 to 12 inches. The mXT2...
LM390 Simple 2-Way intercom Circuit
This is a very simple two way intercom circuit based on a LM390 audio amplifier circuit . the intercom circuit is a stand-alone electronic c...
Triangle and Squarewave Generator Using Op-Amp
The circuit shows a simple triangle and squarewave generator using a common LM1558 dual op-amp to produce very low frequencies to about 10 K...
Better Kitchen Timer, PIC16F877
The project aim is to build a better kitchen timer . It has four independent count-up and count-down timers, display of current value of use...
