electronics circuit

Tag Archives: Relay

SCHEMATIC DIAGRAM Relay Driver Board Project

By admin | Published: 01/08/2010
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 (PC) [...]
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Audio Amplifier Projects to Control the Speaker output Relay

By admin | Published: 10/30/2009
This is a simple circuit which I built to one of my audio amplifier projects to control the speaker output relay. The purpose of this circuit is to control the relay which turns on the speaker output relay in the audio amplifier. The idea of the circuit is wait around 5 seconds ofter the power [...]
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Visio Circuit Schematic Symbols with the Amateur Radio Relay

By admin | Published: 10/05/2009
Visio Circuit Schematic Symbols
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Is The Main Purpose of The PLC to Replace the Relay ?

By admin | Published: 10/05/2009
Purpose of The PLC to Replace the Relay
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