Teardown & Repair of a SRS DS345 30MHz Synthesized Function Generator
Youtube

Teardown & Repair of a SRS DS345 30MHz Synthesized Function Generator

 In this episode Shahriar investigates a peculiar problem with a SRS DS345 function generator. The instrument does not appear to produce the correct output signal frequency. After some investigation it becomes clear that a few of the display digits are not active which hide the actual...

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Long-fibre carbon nanotubes shown to be carcinogenic
Science

Long-fibre carbon nanotubes shown to be carcinogenic

by Thomas Scherer @ elektormagazine.com writes: Nanotechnology plays an indispensable role in modern materials research and new products. Carbon nanotubes (CNTs) enable production of novel materials with amazing properties. Progress is however not without risk and a recent study on...

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Wi-Lamp, the Open Source Wi-Fi LED lamp
Led

Wi-Lamp, the Open Source Wi-Fi LED lamp

LucaBellan @ open-electronics.org discuss about a multi-function LED lamp that is always connected over WiFi. Since several years already, it is possible to find systems for home automation: irrigation, doors and windows, lighting, air conditioning and alarm systems, everything can be...

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Biosensors with ECG function for heart rate monitoring in wearables
Sensor

Biosensors with ECG function for heart rate monitoring in wearables

Graham Prophet @ eedesignnewseurope.com writes: Silicon Labs has introduced a family of optical biometric sensors providing advanced heart rate monitoring (HRM) by transcutaneous optical measurements, along with electrocardiogram (ECG) capabilities, for a range of wearable fitness and...

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Contactless Controlled Automatic Wardrobe LED Light
Led

Contactless Controlled Automatic Wardrobe LED Light

Contact-less controlled automatic wardrobe light turns on the LED when you open the wardrobe door. Τhe project is based on Hall effect IC including LED driver and tiny magnet. Board doesn’t require any mechanical switch. When magnet is close to the board, LED is off, when you open...

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Build the World’s Smallest Atomic Clock
Science

Build the World’s Smallest Atomic Clock

Build the World’s Smallest Atomic Clock, Trap a Nitrogen Atom in a Carbon Cage. By Kyriakos Porfyrakis and Edward A. Laird @ ieee.org: An atomic clock begins with an oscillator [see diagram], which creates a frequency close to the energy level of the atom being used. If the...

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Open Source Ethernet Audio Broadcaster
IoT

Open Source Ethernet Audio Broadcaster

Luca Pascarella @ open-electronics.org presents how to setup their open source ethernet broadcaster. He writes: Recently, we have presented an Ethernet audio streaming unit. In particular, we have shown how to configure the boards to work with other similar devices or with VLC Media...

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Teardown, Repair & Experiments with an Agilent 8562E 30Hz – 13.2GHz Spectrum Analyzer
Youtube

Teardown, Repair & Experiments with an Agilent 8562E 30Hz – 13.2GHz Spectrum Analyzer

 Teardown, Repair & Experiments with an Agilent 8562E 30Hz - 13.2GHz Spectrum Analyzer -...

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