eInk DIY weather station project

Makers, hobbyists and weather enthusiasts interested in building their very own DIY weather station may be interested in the new project featured on the Adafruit Explore & Learn portal. The new guide provides a method of creating a no-solder, Internet-connected ePaper weather display that escape full of displaying weather symbols, temperature, date and more. Project uses the Adafruit Tri-Color ePaper Sh ...

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PCB layout tips for thermal vias

I came across an article on PCB layout in Electronic Design magazine. It’s a pretty good article and I am glad to see the trade magazines realize we care as much about PCB layout as the bus-caching architecture of some DSP chip. The article talks about using vias to take heat away from the die-attach-paddle (DAP) of integrated circuits: To reduce operating temperatures easily, use more layers of solid groun ...

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IoT PCR: Low Cost DNA Replication Connected to the Internet.

An internet-connected, easy to use PCR Thermocycler designed by high schoolers, for high schoolers. Story What is a PCR thermocycler? A PCR Thermocycler is a device that can change between desired temperatures in a controllable manner in order to properly carry out a Polymerase Chain Reaction(PCR). What is a PCR? A polymerase chain reaction is a type of reaction used to replicate certain parts of DNA. The p ...

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Arduino Cloud Sensor Tower

Connect a basic sensor station to Arduino Cloud and visualize real time data. Story Following this tutorial you will build a little tower with several sensors and connect it to Arduino Cloud to visualize Real time data. Connect to Arduino Cloud Create an account and login to Arduino Cloud. If this is your first time on Arduino Cloud we suggest to follow the getting started flow to download the Arduino Cloud ...

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‘Soldering’ with a laser

Abstract Established and already commercialized energetic materials, such as those based on Ni/Al for joining, lack the adequate combination of high energy density and ductile reaction products. To join components, this combination is required for mechanically reliable bonds. In addition to the improvement of existing technologies, expansion into new fields of application can also be anticipated which trigg ...

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Lithium-Ion Battery Warms Up, Operates In Subzero Temperatures

A new “all-climate” lithium-ion battery can rapidly heat itself to overcome freezing temperatures with little sacrifice in energy storage capacity and power, researchers say. This advance might enable applications for which high-performance batteries are needed in extremely cold temperatures, such as electric cars in cold climates, high-altitude drones, and space exploration. EC Power is now creating all-cl ...

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Circuits capable of functioning at temperatures greater than 650 degrees fahrenheit

(Phys.org) —Engineering researchers at the University of Arkansas have designed integrated circuits that can survive at temperatures greater than 350 degrees Celsius – or roughly 660 degrees Fahrenheit. Their work, funded by the National Science Foundation, will improve the functioning of processors, drivers, controllers and other analog and digital circuits used in power electronics, automobiles and aerosp ...

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