Author: electrobob

18 Comments

Fun with LEDs

  By electrobob January 5, 2012 February 8, 2017 Projects

Simple circuits to get night lights on the hallway and motion lights in the rest of the house. Continue reading

4 Comments

Unlocking stuck photo filters

  By electrobob November 4, 2011 February 8, 2017 Ideas and Articles

Simple way to unlock 2 stuck photo filters with nothing but a ribbon. 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

2 Comments

XMEGA header board

  By electrobob April 12, 2011 February 8, 2017 Utils

A simple header board for an ATXMEGA32A4U microcontroller. Continue reading

17 Comments

Digital Power Supply – Part 1: Concept

  By electrobob March 17, 2011 February 8, 2017 Ideas and Articles, Projects

Started working on a digitally controllable power supply. Continue reading

12 Comments

555 class D amplifier

  By electrobob February 28, 2011 February 8, 2017 Projects

Building a 555 based class D amplifier, even building the 555. 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

8 Comments

555 / 556 H bridge

  By electrobob February 22, 2011 February 8, 2017 Ideas and Articles, Projects

Simple H-bridge using 555’s. Continue reading

35 Comments

EGO BOX

  By electrobob January 15, 2011 February 8, 2017 Projects

A physical display that connects to the internet to display the visits counter on my website. Continue reading

29 Comments

Toner transfer to ABS

  By electrobob December 3, 2010 February 8, 2017 Ideas and Articles, Utils

Yes, apparently you can transfer toner to ABS to make nice project boxes. Continue reading