ISL97694 from Intersil LED string controller, up to 6 strings at 30 mA for each string (40 mA if you stick to 4 strings) Voltage output up to 34.5, so you can stack up to 10 LEDs per string if they had a 3.5V drop at 30 mA Obviously that will depend upon the LED …
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — “Analog Devices to Buy Linear Technology for $14.8 Billion”
Wearables — Practice patience
Electronics — Look to ferrites (no, not ferrets, the European polecat) when faced with high frequency
Biohacking — TCAPS and Mary Roach on The 99% Invisible Podcast
No comments yet.
Sorry, the comment form is closed at this time.