A new optocoupler from Fairchild lets you easily isolate digital communication lines two at a time.
The wide range of easy-to-use wireless OEM products simplifies communications, but not every design needs an RF link, regardless of what your marketing people tell you.
Here's a competition for students and teachers that challenges them to create something interesting and helpful with LEDs. Teams get kits of parts to work with. If you know students or teachers, encourage them to enter.
ST Microelectronics has extended its line of STM32 MCUs based on the ARM Cortex-M3 core and announced new ARM Cortex-M0 and the Cortex-M4 MCUs for mid-2011.
If you must upgrade a design to include a USB connection for a Human Interface Device (HID), take a look at Silicon Labs, which now offers new bridge chips that easily provide a USB interface for UART-based devices.

