Latest in 555 timer

Image credit:

Engineer makes light-up business cards with 555 timer, proves PCB skills

Sarah Silbert
June 9, 2012
Share
Tweet
Share

Sponsored Links

Sure, there have been some pretty creative variations on the standard paper business card, but if you're looking to make a career in electronics engineering, card stock isn't necessarily the best option for material. Such was the case for one student, who had the canny idea to make a card that demonstrates his printed circuit board know-how. He used a 555 timer that outputs a clock to the LEDs on the biz card, and placing a nine-volt battery on the terminals sets off the mini light show. See for yourself in the video below.

All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.
Share
Tweet
Share

Popular on Engadget

Live PlayStation 5 photos reveal a truly giant console

Live PlayStation 5 photos reveal a truly giant console

View
Microsoft releases a final preview for Windows 10's October update

Microsoft releases a final preview for Windows 10's October update

View
The original Pixelbook is out of stock on the Google Store (updated)

The original Pixelbook is out of stock on the Google Store (updated)

View
Verizon's $30 Unlimited Plus tablet plan offers 5G access

Verizon's $30 Unlimited Plus tablet plan offers 5G access

View
Homeland Security warns of a 'critical' security flaw in Windows servers

Homeland Security warns of a 'critical' security flaw in Windows servers

View

From around the web

Page 1Page 1ear iconeye iconFill 23text filevr