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BLEduino - Gone for Good?
by rickman sent on 2015-03-01 01:25:00 I can't find any responses to questions asked in the forum. There seem... 

Operating a 24VAC coil on a valve or contactor (relay) with a DC coil voltage.
by sms sent on 2015-03-01 01:05:00
I have a project that requires an electrically operated gas valve  

by Don Y sent on 2015-03-01 00:55:00
Hi, What (and how!) can I deduce about the operation of a particular (e.g., previously empirical... 

OT: Space Station Fun
by garyr sent on 2015-03-01 00:17:00 ... 

home battery
by John Larkin sent on 2015-03-01 00:01:00 -- John La... 

Neat setup, $3 Cell plan
by Martin Riddle sent on 2015-03-01 00:00:00
Clever setup, great for alarm applications...  

digikey printed catalog
by Unknown sent on 2015-02-28 23:58:00
Hi. Old school guy here. As you know, Digikey nixed the paper catalog years ago. It was huge. ... 

OT: Hydrogen fuel cell for cars..
by Robert Baer sent on 2015-02-28 22:48:00
From Design News Feb 2015: "Toyota is giving away its fuel cell patents". They say it will be... 

Drum Core Stray Magnetic Field
by Klaus Kragelund sent on 2015-02-28 22:09:00
Hi I have an application in which I need high stray field from a drum core in order to pass a sig... 

by John Larkin sent on 2015-02-28 21:35:00
This is pretty radical: ... 

Latest Papers, Theses, Articles, etc

Practical Electronics for Inventors
by Paul Scherz |

Diodes and Transistors
by Bharathwaj Muthuswamy |

You will learn about two very important circuit elements - diodes1 and transistors. These elements m... Diodes and Transistors
Electronic Circuit Design and Component Selection
by Nan-Wei Gong |

Very useful document showing: - How to pick up components for your project - Rule of thumb for PC... Electronic Circuit Design and Component Selection