Open Source Circuit Design?
Here’s an interesting one to flag – have you come across it already? The website, which is still in ‘beta’, is http://www.circuits.io/
Power circuits
A portable power supply for Raspberry Pi
Check out the latest release of the excellent MagPi. Issue six, for example, covers untethering your Pi with a portable power supply.
How to control power LEDs
Dr Matthew Ford of Forward Computing and Control in Australia has put up an excellent tutorial on controlling power LEDs using an Atmel Tiny AVR microcontroller.
An unbreakable Power Transistor?
Semiconductor company NXP is walking the walk with its 1.2kW BLF578XR radio frequency power transistor.
Another book for Gadget Masters
Like London buses, you wait a long time for one good book and another shows up straight after. Following on from “62 Projects to Make with a Dead Computer by Randy Sarafan”, another book has crossed my desk, Basic Electronics for Scientists and Engineers.
Potato power for organic electric batteries
Here’s a story that caught Gadget Master’s ever-roving eye – Potato Power – “Potato Batteries for Use in the Developing World”
Cracking open a 15 minute NiMH battery charger
Here is a great site for Gadget Masters – check out Dave Jones’ Electronics Engineering Video Blog. There’s a wealth of video content that Dave is sharing. As well as tutorials there are also product reviews and teardowns.
From Dawn to Dusk Sensor to Timer Charger
Thanks to reader Tim Asquith for sharing this project to enable correct charging of batteries: he has modified a Timeguard TG85 Dawn to Dusk Sensor to a 1 to 24 hour NiCad battery charger timer adaptor.