-
Tobias hockey

invention

Tech-free dinner

by tobiaslarsson

Published on May 12, 2015

Keep the dinner free from those nasty cell phones people are playing with all the time. The phone stack allow you to check in the phone, when all family members (in this case 4) have stacked their phones, the LED string is lighted up. The youngest in the family checks that the light is on and dinner may be served ;-)
Instagram video: https://instagram.com/p/2jAlf9RfeB/

How To Make It

STEP 1

Add power

STEP 2

Add linkage cable

STEP 3

Add light sensor

STEP 4

Repeat 2-3 for as many phones as you want

STEP 5

Add linkage cable

STEP 6

Add LED cable.

Related Projects

The House of Intrigue

This house has something strange compared to the others, including his very cool bell with a double light and a spi...

Persuasive Poster #InventForGood

Jack made this interactive poster for school to persuade teachers, students and parents to help collect supplies for animals in an...

laser guided electric scissors

I took a household pair of scissors and attached some Legos and littleBits.  The laser is connected to the proto module so th...