Wednesday, July 18, 2012

water level controller

water level controller

water level indicator water level controller circuit diagram water level control schematic water level control circuit water level sensor circuit free automatic water level controller circuit water level meter schematic Water Level Sensor diagram water level indicator circuit design
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Wednesday, July 4, 2012

2x15w stereo power amplifier circuits based TDA1521

It is small and compact stereo amplifier is powerful but can easily be used to replace your broken amplifier or new construction, or to make an active speaker, in all cases combined with a preamplifier. With remarkable features make it the true Hi-Fi amplifier.
Using only active component (the right and left channel) Philips TDA1521 monolithic integrated circuit, which contains a double line-end audio amplifier completely independent, each capable of providing from 10 to 12 W to the load 8 ohm or 15 W into 4 ohms (30 W music). Voltage gains of the amplifier is fixed at 30 dB.
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