led – Page 2 – Electro Bob

Upgrading spotlights to LED

By electrobob June 20, 2011 February 8, 2017 Projects, Utils

Turned my hallway spotlights to some nice LED lights. Continue reading

By electrobob February 28, 2011 February 8, 2017 Projects

Detecting a secret knock pattern using 555’s. Continue reading

By electrobob September 29, 2010 February 8, 2017 Projects

Buiding a timer for a PCB UV exposure box. Continue reading

By electrobob June 24, 2010 February 8, 2017 Projects

Building a nice UV exposure box to make PCBs. Continue reading

By electrobob June 5, 2010 February 8, 2017 Projects

A binary clock that displays hours minutes and seconds using colors on LEDs. Super difficult to read! Continue reading

How to drive LEDs? WIth constant current supplies, of course. Continue reading