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Tag: noise
Ferrite bead demystified from Analog Devices
App note from Analog Devices hinting for proper selection of ferrite bead for you applications. An effective method for filtering high frequency power supply noise and cleanly sharing similar supply rails is the use of ferrite beads. A ferrite bead is a passive device that filters high...
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Omron USB and PCB Type Environmental Sensors
Omron's 2JCIE environmental sensors are IoT sensors integrated with Bluetooth. These sensors are capable of tracking eight different environmental factors which include: temperature, humidity, light, UV index, barometric pressure, noise, acceleration and VOC (Volatile Organic Compounds)...
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ApplePi DAC Audio HAT Add-on For The Raspberry Pi Features 24-bit DAC And A 128dB SNR
Orchard Audio quickly exceeded its $5K Kickstarter goal for its ApplePi DAC HAT board, which it is promoted as “the most advanced and highest performance sound card hat for the Raspberry Pi.” You can order the add-on board from May 13 starting at $175. Options include a $5...
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Infinite Noise true random number generator
This is an Open hardware USB true random number generator coming soon on crowdsupply.com The Infinite Noise TRNG is an affordable and secure true random number generator (TRNG) based on a modular entropy multiplier technique that continuously loops over previous random output,...
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Filtering Noisy Arduino Measurements
Paul Martinsen @ megunolink.com discuss about noise in analog input of arduino and how to filter it. He examines 3 filtering algorithms: Averaging, Running average, Exponential filter and provides the code to achieve that. Measurements from the real world often contain noise. Loosely...
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A Spark.io Indoor Ambient Quality Monitor
Davide Gironi has build an indoor ambient quality monitor based on particle.io : SXAM (Spark to Xively AMbient quality monitor), is an ambient quality monitor that logs 4 environmental parameters to the xively.com and display the ambient status by using for RGB leds. SXAM logs:...
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A Xively AMbient QUality MOnitor built on ATmega328
Davide Gironi has build an indoor ambient quality monitor that is able to measure temperature, humidity, noise and brightness and indicate the ambient quality using 4 bi-color LEDs. He writes: The data it is logged to the xively.com platform, and displayed to the user through 4...
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