Navigation

http://www.solaripedia.com/ lots of case study articles about various solar designs

http://www.builditsolar.com/ lots of DIY solar projects

a guy doing some great DIY hydrophonics stuff: blog youtube chan

WindowFarms DIY hydrophonics for city dwellers

Simply Hydrophonics lots of advice on hydroponics

http://www.robot-italy.com/ (Italy) reseller of Sparkfun, Olimex, Arduino stuff etc. I have ordered from them.

http://www.watterott.com/en/Components/ (Germany) Seems to be nice and cheap.

http://www.robotshop.com/eu/ this shop has large selection and the EU branch ships from France.

http://www.cooking-hacks.com/ Libeliums DIY shop. They design their own stuff too.

http://www.paeae.com/ (Finland) Mainly Arduino stuff, not much to choose from, but located close to where I live.

https://www.m.nu/ (Sweden) Good selection of sensors and 1wire stuff.

http://www.hwkitchen.com/

http://www.active-robots.com/ (UK) good selection of robotics components. I have ordered from them.

http://robosavvy.com/ (UK). Has Dagu stuff in stock. I have ordered from them.

http://www.robot-electronics.co.uk

http://www.technobots.co.uk/

http://robotbirds.com/ anything at the intersection of robotics & flying (UK)

Olimex PCB manufcaturer that produces custom PCBs and is used as a production partner for several open source projects (OpenEEG for example). They design their own stuff too. I have ordered from them.

Sparkfun One of the most well known shops. Designs their own breakout boards and other stuff. I have ordered from them.

Maker shed general DIY. They design some of their own stuff too.

Seedstudio designs a lot of their own stuff. Arduino derivates (seeduino) etc.

Liquidware open source electronics designer. Arduino & Beagleboard shields etc.

Robot marketplace Largest robotics component shop there is. Has lots of non-std. stuff like different kinds of large wheels, motors and controllers for more powerful robots.

YEInt

Elfa

Oomipood

http://www.serigo.ee/ very cheap local e-shop.

ITTgroup Local dealer of Arduino and similar things.