Category: Power
What Is Household Ground?
RimstarOrg published an interesting video on his Youtube channel to demonstrate why In north America you can find 3 holes in the electricity socket; which are hot, neutral and ground. The hot wire goes to a breaker-panel and then to electricity grid and finally to a transformer...
Continue ReadingBoost Converters and Buck Converters: Power Electronics
Boost Converters and Buck Converters: Power Electronics -...
Continue ReadingESPurna-H, A Compact Open Source Hardware Wireless Power Wall Switch
Controlling your AC loads using wireless power switch is not a new concept. Several commercial products from several vendors can be found on the market such as Xiaomi’s Mi Smart Socket Plug, SAMSUNG’s SmartThings Power Outlet and Sonoff Pow WiFi Switch from ITEAD. Using ESP8266...
Continue ReadingBody Heat Provides Wearables With Eternal Power
The first watch to make use of the body's natural heat to uphold battery charge in wearables is now even being crowdfunded on Indiegogo. Who else but researchers from Texas A&M University (a hot place) came up with the solution. In today's wearables battery life is a...
Continue ReadingFlow battery can run for 10 years with zero maintenance
by Jan Buiting @ elektormagazine.com: Harvard University researchers have developed a low-cost flow battery that stores energy in organic molecules dissolved in neutral pH water. In their report (see below) they claim that the new battery can run for a decade or more without...
Continue ReadingIncreasing Battery Life With UB20M Voltage Detector
Engineers at the University of Bristol have developed a three terminal pico-power chip that can cut standby drain in sensor nodes – even compared with today’s low-power microcontrollers. It does this by replacing the low duty-cycle sleep-wake-sleep pattern used on MCU-based sensor...
Continue ReadingOpen source 12V powerbank
A custom 12V powerbank for Cube i7 Stylus from Muxtronics: Why would anyone even try to build a power bank – i.e. an external battery for charging mobile devices – these days? These things are commodity, it’s impossible to compete. Right? Well, that is until you find out that...
Continue ReadingUltra thin supercapacitor for peak power assist
Peggy Lee @ newelectronics.co.uk discuss about MURATA's ultra thin supercapacitor. The DMH series from Murata is said to be the lowest profile supercapacitor. The product is designed for peak power assist duties in wearable applications and various other devices. Measuring 20 x...
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