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Lamp scr schematic

Lamp scr Lamp circuit using BS250, BS170

Make led light car

Make led light car circuit using 74C164, 4011

Make Audio power Amp used IC HA13118 pmpo 18w

power Amp Electronics Schematic Diagram used IC HA13118 pmpo 18w as the main component. The type of this amplifier is bridge amplifier since the output line does not grounded.

Latching Switch Circuit

Latching Switch Circuit using CD74C14, CD6069, PMV65XP

stereo headphone amplifier circuit

stereo headphone amplifier circuit stereo headphone amplifier circuit using KA1222 stereo headphone amplifier circuit stereo headphone amplifier circuit

Make 2.45GHz RF Signal Detector

Make 2.45GHz RF Signal Detector This passive RF indicator is made from a few simple parts.  A 100uA moving coil meter is used to display the relative intensity of the RF signal.  This circuit can be used with some cellphones and many cordless telephones.

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