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June 22, 2010
6 Channel Auto Reverse Sequential Disco Running Lights [more]
June 22, 2010
Using this circuit you can convert the 12V dc in to the 220V Ac. [more]
June 22, 2010
This is a handy, easy to build general purpose 50 watt amp. The amp has an input for a radio, TV, stereo or other line level device. [more]
June 22, 2010
This circuit is of an 2x 2,500W RMS stereo amplifier, super-light and without switching-mode power supply [more]
June 22, 2010
A switched timer for intervals of 5 to 30 minutes incremented in 5 minute steps. [more]
June 22, 2010
This 3 channel 15 LED spectrum analyzer is the perfect addition to any audio amp project. It produces fantastic displays on three LED bars that can be individually adjusted for any particular frequency range. [more]
June 22, 2010
Simple and low cost. The optimal supply voltage is around 50V, but this amp work from 30 to 60V. [more]
June 22, 2010
This is a programmable clock timer circuit that uses individual LEDs to indicate hours and minutes. [more]
June 22, 2010
Can be directly connected to CD players, tuners and tape recorders. Simply add a 10K Log potentiometer (dual gang for stereo) and a switch to cope with the various sources you need. [more]
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