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I have posted some tip/walkthroughs on home made IR sensors for obstacle detection and later for motion tracking. Now DAGU proudly presents the IR compound eye. … Read more
IMHO the best way to have your robot measure distance to objects. Fast and accurate. If you are using Picaxe, you may find this info useful: … Read more
Laserfinder helps to locate objects with reflexive surface (eg. silver safety appliques). Finder is mounted on moving head which scans the surroundings. Finder … Read more
URM37 V3.2 Ultrasonic Sensor uses an industrial level AVR processor as the main processing unit. It comes with a temperature correction which is very unique in its … Read more
Designed by WBA Consulting, The WBA-TH1M Module makes it very easy to use Sensirion's SHT11 Digital Temperature/Humidity Sensor in your microprocessor controlled … Read more
Dagu now stocks this IR detector. It has an adjustable range from 3cm to 80cm and a dgital output with indicating LED. Although it can't be used to measure distance … Read more
  Suitable for ASURO kits and any other kits   Part list: Read more
PIR's are cheap little things that combined with a little chip (PIR Sensor Control IC) and possible a Fresnel Lens will tell you if there is motion in font of it. … Read more
The Accel_Gyro Board represents a 5DOF Inertial Measurement Unit (IMU), capable of measuring acceleration on all 3-axis as well as measuring rotation rate around … Read more
Accelerometers are very exciting little things. When I say "little", I mean it, as they usuallyfits 4 or more on a finger nail! And each typically has some 7-20 … Read more
This little fellow detects magnetic flux and is dead simple to connect up, just 5V in and an analog output. Can be bought at most places selling electronic … Read more
The TPA81 sensor is a thermopile array detecting infra-red in the 2um-22um range. This is the wavelength of radiant heat. The Pyro-electric sensors that are used … Read more
Just found this in the bottom of a box at work.  Kind of an interesting piece of equipment.  It will read a color mark on a flat surface (at a distance of 1"). … Read more
Computer mice with balls contain two (or sometimes three, if the have a scroll wheel) rotary position sensors. These are not mechanical switches, but optical ones. … Read more
This is the very popular 2.4GHz XBee module from Digi (formally Maxstream). These modules take the 802.15.4 stack (the basis for Zigbee) and wrap it into a simple … Read more
I bought some small tilt-sensors. basicly they where a small metal capsule with a ball inside. When tilted, the contact was switched on/off. I thought this was … Read more
Isn't that just a pot? You are forgiven for thinking you are looking at a photo of a potentiometer AKA variable resistor. That's what this looks like. However, if … Read more