Analog Devices latest tiny accelerometers

Analog Devices has released the ADXL32x family of MEMS accelerometers. They are available with two measurement axes in a package that is 4mm x 4mm x 1.45mm. They are claimed to be the smallest accelerometer form factor available today.

Read more on the Analog Devices web site.

Finger phone

A Japanese engineer has invented a wrist watch cell phone called “Whisper”, where the user places her finger in her ear canal to hear, and speaks into a microphone on the wrist band.

Read the journal paper at ACM Digital Library. Read a news release at Indiana University.

Motorola’s wireless sensors

Motorola make a range of relatively cheap sensors to measure acceleration, pressure and temperature. Motorola are part of the ZigBee consortium that is an alliance of companies that have developed low-power wireless protocols and products. See Motorola’s product range here. They also sell evaluation boards which can be found on their web site.