Category: Power

Control AC Voltages Safely And Easily with Sugar Device
Sugar Device is a tool designed to control AC Voltage and it promises to change the way you control AC applications forever. Sugar team is targeting hobbyists, students, teachers and engineers to push their application to the next level, since it makes AC control easy, safe and...
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DIY IKEA Wireless Qi Charging
mcuoneclipse.com writes: To my surprise, when I visited a nearby IKEA store yesterday, the older iPhone and Samsung Galaxy S4 (VITAHULT) Qi receivers were on sale for CHF 0.95 (about US$1): what could be wrong with buying a few of them? At this point, I should probably mention the...
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Replacing a dead iPhone battery
Brian Dipert discuss his experience replacing an iphone battery @ edn.com: About a week ago, in preparing to run some errands, I plugged my iPhone 4S into the charger in my car so that I could stream Pandora while I drove. Oddly, a "this accessory may not be supported" message...
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Dual Relay Board Using SMD Components
Dual channel Compact Relay driver module can be controlled by feeding 2-12V trigger voltage, Very useful project for application like Micro-Controller based projects, Remote controller, Lamp on Off, and any circuits which required isolated 5A current and high voltage switching by...
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Nanotechnoloy – Nano coating prevents exploding Li-ion batteries
Lithium-ion batteries are very popular as they're lightweight and have high energy density. But at the same time, li-ion batteries are very sensitive to overcharge/over discharge. An internal short circuit can cause fire and it may even lead to a violent explosion. Fortunately,...
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4 Channel Relay Board
4 Channel Relay Board is a simple and convenient way to interface 4 relays for switching application in your project. Very compact design that can fit in small area, mainly this board is made for low voltage applications. Features Input supply 12 VDC @ 170 mA Output four...
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Large Current Relay with Dual Output DC-DC Converter for Hobby CNC/Router
Single Channel Large current relay board with dual DC-DC converter board is mainly designed for Hobby CNC, Routers, and Plasma cutters. Hobby CNC controller requires multiple DC outputs to drive various things. This board provides 5V DC and 12V DC 1Amp each. The dual supply helps...
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4 Channel Large Current Relay Board
4-Channel Relay Board is a simple and convenient way to interface 4 relays for switching application in your project. The project has large Relay which can switch current up to 20Amps. Specifications Input supply 12 VDC @ 360 mA Output four SPDT Relay Relay specification...
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