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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I want to replace the LEDs by 220 volts lamps by using TRIAC , so I want to add circuit in ( red colour line ) to LM 3914 circuit . Is this method of connection true or not ?
The danger in your circuit is connecting the AC power line directly to your IC and to your sound source.
This (top circuit) is how you would implement opto-isolators between your IC and the triacs. Pin 2 of the opto-isolators would go to the output pins of the IC. Isolation Triac Driver Circuit | Electronic Circuit Directory
The danger in your circuit is connecting the AC power line directly to your IC and to your sound source.
This (top circuit) is how you would implement opto-isolators between your IC and the triacs. Pin 2 of the opto-isolators would go to the output pins of the IC. Isolation Triac Driver Circuit | Electronic Circuit Directory
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