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Archives for November, 2010

audio source amplifier

audio source amplifier circuit using uPC1241H small stereo amplifier

SCHEMATIC DIAGRAM Relay Driver Board Project

This article means to utilize your old PC to be come a simple controller. Many old PC like 8088 type, 8086, 80286, 80386, or even 80486 already become an obsolete systems. This board using 8-bits of LPT printer parallel data port (DP) to activate the relays. LPT printer parallel port also have 4-bits additional port […]

Nissan Ignition Coil Driver schema

Electronic Ignition Coil Driver Circuit using NE555 – 2N3055 Electronic Ignition Coil Driver circuit kits Nissan Ignition Coil Driver schema using NE555 – 2N3055

Popular relay driver controller circuit

Popular relay driver controller circuit using D313

shows passive components, resistors, capacitors and inductors, and also electrical components such as switches, relays, motors and lamps – symbol

The diagram below shows passive components, resistors, capacitors and inductors, and also electrical components such as switches, relays, motors and lamps. In europe the for the resistor is a rectangle, whereas the US symbol is a zigzag. On my site, schematics may be drawn with european or US symbols, depending upon which of my circuit […]

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