Search results
Results from the WOW.Com Content Network
A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors . PIR sensors are commonly used in security alarms and automatic lighting applications.
Adafruit Industries is an open-source hardware company based in New York, United States. It was founded by Limor Fried in 2005. [ 3 ] The company designs, manufactures and sells electronics products , electronics components, tools, and accessories.
A low cost Arduino clone using the ATmega168/ATmega 328/ATmega 8 and designed for prototyping, it includes onboard peripherals such as an RGB LED, switches, IR LED, TSOP and LDR. Japanino [101] ATmega168 [39] A kit by Otonano Kagaku publisher in Japan. The board and a POV kit were included in Vol. 27 of the eponymous series.
Limor Fried is an American electrical engineer and owner of the electronics hobbyist company Adafruit Industries.She is influential in the open-source hardware community, having participated in the first Open Source Hardware Summit and the drafting of the Open Source Hardware definition, and is known by her moniker ladyada, an homage to Lady Ada Lovelace.
If the remote control to be used is also IR-based, there must be an IR sensor within its line of sight that will relay signals to the IR blaster over a wire or radio. The output of an IR blaster (like that of any infra-red remote) is invisible to the human eye because its wavelength is beyond the range of visible light.
An ATR accessory for IR spectroscopy. ATR uses a property of total internal reflection resulting in an evanescent wave. A beam of infrared light is passed through the ATR crystal in such a way that it reflects at least once off the internal surface in contact with the sample. This reflection forms the evanescent wave which extends into the sample.
Atherosclerosis happens when a fatty substance called plaque builds up inside your arteries. There are typically few noticeable symptoms until the situation becomes dire and you experience ...
Most of these have an IR receiver, picking up the IR signal and relaying it via radio waves to the remote part, which has an IR transmitter mimicking the original IR control. Infrared receivers also tend to have a more or less limited operating angle, which mainly depends on the optical characteristics of the phototransistor. However, it is ...