solar

RAKWIRELESS RAK4260 IS A TINY LORAWAN MODULE BASED ON MICROCHIP SAMR34 LORA SIP

RAKWIRELESS RAK4260 IS A TINY LORAWAN MODULE BASED ON MICROCHIP SAMR34 LORA SIP

Electronics News Updates / By

Rakwireless has just announced a new module part of their LPWAN family:  RAK4260 LoRaWAN module based on Microchip ATSAMR34J18B LoRa SiP and at just 15x15x1.2 mm, one of the smallest LoRaWAN modules in the market. The new module is cheaper than the company’s earlier RAK811 module and consumes less power at just 790 nA in sleep mode. The company also provides a RAK4260 evaluation […]

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INCANDESCENT LIGHT BULBS AT THE NANOSCALE

INCANDESCENT LIGHT BULBS AT THE NANOSCALE

Electronics News Updates / By

Using tiny arrays of carbon nanotubes, a team of researchers at Rice University has designed nanoscale incandescent light source that could be tuned to precisely emit at specific wavelength, based on the materials’ configuration. The so-called nanoscale thermal emitters described in a paper titled “Non‐Hermitian Selective Thermal Emitters using Metal–Semiconductor Hybrid Resonators” published in the journal of

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INDOOR SOLAR CELLS OPTIMISED TO CONVERT AMBIENT INDOOR LIGHT TO ELECTRICITY

INDOOR SOLAR CELLS OPTIMISED TO CONVERT AMBIENT INDOOR LIGHT TO ELECTRICITY

Electronics News Updates / By

Swedish and Chinese scientists have developed organic solar cells optimised to convert ambient indoor light to electricity. The power they produce is low, but is probably enough to feed the millions of products that the internet of things will bring online. For more information see the IDTechEx report on Energy Harvesting Microwatt to Megawatt 2019-2029.  As the internet of things

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Solar powered arduino

Solar powered arduino on the back of a playing card

Battery Projects, Projects, Solar energy projects / By

Here’s a six word tragedy: My arduino needs four AA batteries. Really?  Isn’t this 2012?  Where’s my jetpack?!! Here’s a way to the future — a way to make a solar panel, from scratch, that can power any arduino off of sunlight or even light in your house.  Sort of a peel-and-stick power source for

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IMPRESSIVE OFF GRID HYDROELECTRIC PLANT SHOWCASES THE HACKER SPIRIT

IMPRESSIVE OFF-GRID HYDROELECTRIC PLANT SHOWCASES THE HACKER SPIRIT

Arduino News / By

We all know the story arc that so many projects take: Build. Fail. Improve. Fail. Repair. Improve. Fail. Rebuild. Success… Tweak! [Kris Harbour] is no stranger to the process, as his impressive YouTube channel testifies. Among all of [Kris’] off-grid DIY adventures, his 500 W micro hydroelectric turbine has us really pumped up. The impressive feat of

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renewables

Five best types of renewable energy and why are they important?

Blog / By

The global population increased at its fastest rate in recorded history during the twentieth century, rising from around 1.6 billion in 1900 to over 6 billion in 2000. And due to the rising population, the energy demand has also increased exponentially. Therefore, the world is facing two potential threats. The first is undoubtedly climate change

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