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Loudspeaker Protection Circuit is really simple

Loudspeaker Protection Circuit is really simple, but the function Loudspeaker Protection Circuit is very important, because the Loudspeaker Protection will provide protection to Loudspeaker and other component. Because if the DC current flowing to the speakers must be disconnected as soon as possible. There are several issues that need to be resolved to ensure that […]

Headphone amplifier circuit

Headphone amplifier circuit using LM386N, TL082P

RELAY driver CIRCUIT

RELAY driver CIRCUIT WITH OPTICAL ISOLATION using PMV30UN

Amplifier Mini

Power Amplifier stereo Mini circuit using TDA2009 2x10w Part Amplifier Mini : R1 1.3 kΩ        C1 2.2 µF 35V     IC1 TDA2009 R2 18 Ω            C2 2.2 µF 35V R3 1.3 kΩ        C3 100 µF 35V R4 18 Ω            C4 100 nF R5 1 Ω 3 W      C5 22 […]

How The History of Logic PLC ?

When production requirements changed so did the control system. This becomes very expensive when the change is frequent. Since relays are mechanical devices they also have a limited lifetime which required strict adhesion to maintenance schedules. Troubleshooting was also quite tedious when so many relays are involved. Now picture a machine control panel that included […]

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