All Sections: sensor - 5

41. Cheap Sound Sensor for AVR
    Circuits
    .. If the value (loudness) exeeds a specific level, an LED is lit. The schematic for rebuilding The code can be found here mic_sensor.c. It is just hacked together and has lots of room for improvements. Video Here is a video that I made. Has ...
    Dec 2, 2009

42. Celsius-to-digital thermometer works with remote sensor
    Chau Tran Elana Lian
    Circuits
    .. with less than 1 C error over a 0 to 100 C range (Figure 1). The circuit includes T 1 , a low-cost AD590 temperature sensor; IC 1 , an AD8541 rail-to-rail amplifier; four resistors; a trimming potentiometer; and an ADC. You can omit ...
    Mar 2, 2010

43. Millimeter-scale, energy-harvesting sensor system developed
    Articles
    .. ARBOR, Mich. A 9-cubic millimeter solar-powered sensor system developed at the University of Michigan is the smallest that can harvest energy from its surroundings ...
    Feb 16, 2010
44. TSOP98138 — Datasheet Vishay -
    Datasheets Vishay TSOP98138
    .. Number: TSOP98138 Manufacturer: Vishay Description: IR SENSOR IC38KHZ-E3 Specifications: RoHS: Yes
    Jan 3, 2013
45. Digital airflow sensor delivers 2.5% accuracy
    News Honeywell Zephyr HAF
    .. claims to be the industry's most accurate airflow reading across the 20 to 70º C operating range of the sensor. The HAF Series devices provide highly accurate digital output with a response time of 1ms, enhanced ...
    Aug 3, 2010
46. TMP275 digital sensor thermometer
    Circuits
    .. LED, Microcontroller, Personal Projects I recently ordered some samples from TI , which included the TMP275 digital sensor. The sensor has some nice features which I quote from it’s datasheet: The TMP275 is a 0.5 C accurate, ...
    May 6, 2010
47. Solar sensor draws less than 8 pA
    Circuits
    .. mode when the sun rises. One key challenge in creating a sunrise detector is handling the long, slow signal change from the sensor, often ramping from off to full on over tens of minutes. The use of two NAND gates in a pre-set RS latch ...
    Aug 19, 2010
48. Piezo Film Sensor Serves As An Accelerometer
    Circuits
    .. generally a short-term transitory phenomenon. In these short-term acceleration applications, a piezo-bender or piezo film sensor is the transducer of choice. A piezo transducer’s equivalent circuit is an ac voltage source in series ...
    Sep 15, 2010
49. High-precision version of the world's smallest digital humidity sensor
    News Sensirion SHT25
    .. new generation of digital humidity and temperature sensors. Now, on the occasion of the Electronica 2010 trade show, the sensor manufacturer is launching a high-precision version for applications with stringent accuracy requirements. ...
    Nov 24, 2010
50. STMicroelectronics Announces Class-Leading Water-Resistant Pressure Sensor and First Design Win in High-Performance Wearables from Samsung
    News STMicroelectronics LPS33HW
    .. water-resistant 10 bar pressure sensor achieves best-in-class accuracy and stability for new, go-anywhere smart wearables Major design win in new ...
    Nov 1, 2017

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