Content
Mailbox December 2009
Home Automation Standards
Roadmap or Tower of Babylon?
Preselector for Elektor SDR
Here’s the automatic tuning upgrade!
Squeezing Out the Last Drop
How to make your electronic devices even more energy efficient
Top-of-the-Bill Lights Sequencer
Programmable fairy lights
BLDC and PIM modules added to RS Components’ EDP
E-Labs Inside section
Elektor Developers’ Conference Edition 01
E-Labs Inside section
Christmas Circuit Collection
10 circuits
Bluetooth with the ATM18
The Vikings Are Coming!
Minimalistic Time Switch
A lot of features in a small package
Another two NC Headphones
Testing models from Creative and Bose
Hexadoku December 2009
Puzzle with an electronics touch
The Z550M: an unusual counter valve (ca. 1959)
Retronics section
Open Standards for the Automated Home
X10, KNX and DigitalSTROM