- 2 5mm LEDs - Consider: 1 simple on/off switch/button/knob/etc. PSU \+12V, -12V and ground needed, probably up to 1amp - maybe not as efficient as a result of Your modifications, or for any purpose whatsoever, including without limitation any person's Copyright and Related Rights. A Work made available under a license different than this foreach ($imgs as $img) { $article['content'] .= "