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13 Jan 2015

KX112-small

by elektor.com:

MEMS manufacturer Kionix Inc recently announced the introduction of their thinnest full-functional tri-axis accelerometers: the KX112 (2.0 x 2.0 x 0.6 mm) and the KXCJB (3.0 x 3.0 x 0.45 mm). At 0.45 mm thick the KXCJB is half the thickness of its predecessor.

The size of the KX112 makes it suitable for integration into compact devices for wearable and health/medical applications. A wide range of functionality is built into the small outline with algorithms to detect motion for power management, free-fall detect for device protection or warranty monitoring, an orientation engine for portrait/landscape detection and tap/double-tap for user interface functionality. It also incorporates Kionix’s FlexSet performance optimizing technology for control of accelerometer power usage and noise value trade-off. It features a large 2048-byte FIFO/LIFO buffer which allows the rest of the system to remain in low power mode while the KX112 stores sensor measurements. The accelerometer can supply output data with 8 or 16-bit resolution and with a user selectable range of ± 2g, 4g or 8g.

Tri-axis Accelerometers get Thinner - [Link]

29 Dec 2014

A simplified explanation of how a capacitive MEMS accelerometer works.

How an accelerometer works! - [Link]

27 Nov 2014

F4RSEN4I2WENM1V.MEDIUM

by amandaghassaei @ instructables.com:

I’m working on a project that requires full orientation information, so I built an Inertial Measurement Unit from scratch. I really like the 9DOF IMU board that Sparkfun makes – the calibration code that comes with it is fantastic – but I wanted to redesign the board so that it could be made at a much lower price using a single-sided PCB mill. I think the electronics come out to about $20 for this project. All the code, schematics, and PCB milling files are up on github (click the cloud-shaped button to download).

“9 Degrees of Freedom” IMU - [Link]

12 Sep 2014

image_thumb

by fileark @ electronhacks.com:

BMO from Comedy Central’s Adventure Time is adorable, if only someone would make one that can walk! Atleast we can make one with a personality. Here is a build using easy to get parts including Arduino Pro  Mini, Nokia 3310 LCD screen, audio playback, accelerometers, and distance sensors.

The parts added up to around $70.00

DIY Arduino Mini BMO - [Link]


12 Sep 2014

BroadcomIot

by elektor.com:

What could you make with a key fob containing a Bluetooth (BCM20737S) Smart chip, gyroscope, accelerometer, compass, barometer and humidity/temperature sensors? Broadcom are hoping their WICED (pronounced wicked) Sense kit will make an ideal development platform for engineers and developers working on the next generation of IoT applications. Together with the hardware Broadcom have an integrated Software Development Kit (SDK) using the WICED Smart SDK v2.1 and a downloadable WICED Sense app from the Apple App store or from Google Play for Android devices to allow interaction with the fob via a smartphone or tablet etc.

Something Wicked this Way Comes - [Link]

14 Aug 2014

FreeAccel

by elektor.com:

Freescale have introduced a new range of 3-axis accelerometers offering high sensitivity at low power consumption. According to Freescale the FXLN83xxQ family is capable of detecting acceleration information often missed by less accurate sensors commonly used in consumer products such as smartphones and exercise activity monitors. In conjunction with appropriate software algorithms its improved sensitivity allows the new sensor to be used for equipment fault prognostication (for predictive maintenance), condition monitoring and medical tamper detection applications.

High sensitivity Accelerometer Family - [Link]

2 Aug 2014

iotera

by elektor.com:

We have already seen a number of ideas for tracking tags seeking funds on Kickstarter, most systems are limited by the range of Bluetooth communication with a smart device. This system from Iotera tackles the problem using cloud-based thinking: The basic wireless system consists of one or more tags or ‘iotas’ and a home base unit. Each 22 x 11 x 3 mm iota contains a  chip, accelerometer, temperature sensor, speaker, RF transceiver, Bluetooth (unused so far) and a battery to give up to three months operation. Each iota communicates with the home base unit using wireless channels in the 902 to 928 MHz band giving a range of up to four-miles. Back home, the base unit receives the low-speed transmissions from the iota tag and forwards the information to a server via a Wi-Fi connection.

Novel Cloud-based Tag System - [Link]

23 Jul 2014

0625npdtboschby electronicdesign.com:

Designed for high-precision, always-on, six- and nine-axis applications, such as smartphones, tablets, remote controls, and game controllers, the BMI160 inertial measurement unit (IMU) combines a 16-bit, 3-axis, low-g accelerometer and ultra-low-power, 3-axis gyroscope. When the accelerometer and gyroscope are in full operation mode, typical current consumption for Bosch Sensortec’s IMU is 950 µA.

Inertial Measurement Unit Consumes Less Than 1 mA - [Link]

3 Jul 2014

rcj_mCube_accelerometer_MEMS

The world’s smallest inertial sensors have already taken China by storm and are poised to take on the rest of us with their software iGyrpo which is affordable by any smartphone or tablet maker: R. Colin Johnson @NextGenLog

Worlds Smallest Acceleronmeter Priced for Any Budget - [Link]

17 May 2014

Get fit for summer with your own activity monitor from this Adafruit Tutorial!

Keep that New Years resolution of getting fit by staying safe with a neopixel motion activated running band powered by Flora, Adafruit’s wearables electronics platform.

This is the activity monitor you’ll want to wear outside and at the dance club!

Get Fit For Summer With A DIY Neopixel Motion Activated Running Band - [Link]

 



 
 
 

 

 

 

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