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Mosfet Dimmer Multichannel

Everything is controlled through a WizNet W5100 based ethernet controller. A smartphone app and desktop app is made to control it.

WIZnet

Published October 31, 2022

Original author: PCBgogo ยท United KingdomOriginal source (new tab)

Mosfet Dimmer Multichannel

Components

Hardware components
W5100

WIZnet - W5100

x 1

Project description

Main Processor used is an Atmega2560 that again controls 10 Tiny85's. The dimmer circuit is based around a BUZ41A mosfet controlled with PWM. the PWM is timed with a zero detection circuit to ensure that LED's dim without flicker. This dimmer can dim all electronic transformers and LED bulbs. Max 200W pr channel. Everything is controlled through a WizNet W5100 based ethernet controller. A smartphone app and desktop app is made to control it.

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