Tag: led

5 Comments

Cheap China

  By electrobob July 25, 2016 February 7, 2017 Ideas and Articles

My experiences and recommendations for cheap electronic modules from China. Continue reading

10 Comments

Mini ikea molgan hack

  By electrobob March 2, 2016 February 8, 2017 Utils

Simple hack to dim the light down and extend battery life, makes a good night light! Continue reading

7 Comments

Quiet 3D printer

  By electrobob April 19, 2015 February 8, 2017 Ideas and Articles, Utils

Some tricks to make your 3D printer more silent. Continue reading

18 Comments

LED Logger V3

  By electrobob March 15, 2015 February 8, 2017 Projects

Third iteration of my led logger, a device that measures the lifetime of LEDs. Now with WiFI! Continue reading

4 Comments

Stockie – item centric shopping list

  By electrobob July 30, 2014 February 8, 2017 Projects

Wireless buttons that let you instantly add something to your shopping list. Like the Dash buttons, but invented before. Continue reading

13 Comments

WS2812 level translator

  By electrobob March 15, 2014 February 8, 2017 Ideas and Articles, Utils

Simple way to guarantee correct driving of WS2812 from a 3.3V micro, without any special parts, just another WS2812 LED. Continue reading

4 Comments

LED logger V2

  By electrobob December 21, 2012 February 8, 2017 Projects

How long do LED’s last? Let’s check their intensity and find out, featuring an internet connected tester! Continue reading

43 Comments

LED logger

  By electrobob October 22, 2012 February 8, 2017 Ideas and Articles, Projects

Do LEDs really last as much as they say? I’m building a tester to find out. Continue reading

9 Comments

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

14 Comments

Secret knock detector with 555

  By electrobob February 28, 2011 February 8, 2017 Projects

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