22 Watt Car Subwoofer Amplifier
22W into 4 Ohm power amplifier, Variable Low Pass Frequency: 70 - 150HzThis unit is intended to be connected to...
Telephone answering machine
In the phones with caller ID is a mode in which the phone operates in the answering machine. In-line standard...
Car power supply for laptop, 12/16-35 volts 8 amps
The laptop, although it is a laptop, but for the most part he is powered from the mains through an...
Celsius Thermometer
The circuit of the Celsius thermometer in the diagram is based on the well-known Type LM334 from National Semiconductor. This...
Revision of the acoustic system Microlab B-72
It just so happened that this set of speakers I have used as a computer. They were purchased on the...

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