sundh.com » sensors http://www.sundh.com/blog Technology / Wood / Electronics Tue, 25 May 2010 11:13:41 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 Depressed shoe shelf in action http://www.sundh.com/blog/2010/05/depressed-shoe-shelf-in-action/ http://www.sundh.com/blog/2010/05/depressed-shoe-shelf-in-action/#comments Tue, 25 May 2010 11:09:04 +0000 Ellen http://www.sundh.com/blog/?p=234

The depressed shoe shelf from Ellen Sundh on Vimeo.

]]> http://www.sundh.com/blog/2010/05/depressed-shoe-shelf-in-action/feed/ 0 Your pulse as an input http://www.sundh.com/blog/2010/05/your-pulse-as-an-input/ http://www.sundh.com/blog/2010/05/your-pulse-as-an-input/#comments Mon, 03 May 2010 11:26:10 +0000 Ellen http://www.sundh.com/blog/?p=216 Maria Paz is exploring the field of mood inputs by using your pulse as an input to control your environment. The sensor is sending out light that is reflected in the finger and back to the light sensitive sensor. As blood is pumping and flowing in the finger the amount of light received back alters. The output gives you the pulse of your body. Follow her progress in working on her final project Mood Tunnel on http://themoodtunnel.posterous.com/

Nintendo Wii introduced the Vitality sensor a few months ago, working as an input to measure your health and can be used in games.

LEDs translating human pulse from Maria Paz on Vimeo.

]]> http://www.sundh.com/blog/2010/05/your-pulse-as-an-input/feed/ 0 Building your own humidity sensor in 2 minutes http://www.sundh.com/blog/2010/04/building-your-own-humidity-sensor-in-2-minutes/ http://www.sundh.com/blog/2010/04/building-your-own-humidity-sensor-in-2-minutes/#comments Wed, 14 Apr 2010 08:22:02 +0000 Ellen http://www.sundh.com/blog/?p=191 I am working on a project where I need to measure the humidity of the space. I want to know when the space has dried up and when it is wet or soaking wet. There are several different humidity sensors on the market but t does not absorb water but only measure the level of humidity around it. They are small and does not attract water. So I tried to build my own DIY version and my first attempt works quite well. Check it out:

]]> http://www.sundh.com/blog/2010/04/building-your-own-humidity-sensor-in-2-minutes/feed/ 0 Sharp GP2Y0D810Z0F IR Sensor http://www.sundh.com/blog/2010/03/181/ http://www.sundh.com/blog/2010/03/181/#comments Sat, 20 Mar 2010 15:23:54 +0000 Ellen http://www.sundh.com/blog/?p=181 Trying out the small Sharp GP2Y0D810Z0F IR sensor. It only detects when an object is 2 cm to 10 cm away. Great for detecting close up objects. The sensor is very sensitive so I added a resistor of 1 mega ohm to lighten up the power supply. There are 3 pins on the circuit board of the sensor: ground, power supply (2.7 V to 6.2 V) and analog output. More details on the sensor and circuit board on Pololu’s site who are the manufacturers of the circuit board. There is also another version of this sensor Sharp GP2Y0D805Z0F, detecting objects even closer with a range of 0.5 cm to 5 cm.

Serial monitor output

Serial monitor output

]]> http://www.sundh.com/blog/2010/03/181/feed/ 0 Just in! The Flex sensor! http://www.sundh.com/blog/2009/11/just-in-the-flex-sensor/ http://www.sundh.com/blog/2009/11/just-in-the-flex-sensor/#comments Tue, 17 Nov 2009 22:30:40 +0000 Ellen http://www.sundh.com/blog/?p=23 Time to do some interesting stuff with bending a sensor.

Flex sensor

Flex sensor

]]> http://www.sundh.com/blog/2009/11/just-in-the-flex-sensor/feed/ 0