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Bring “dead” batteries back to life with a toroid and the Joule Thief circuit.

Bring “dead” batteries back to life with a toroid and the Joule Thief circuit.

The Joule Thief (Wikipedia) is a well-known “instant gratification” hobby circuit that uses just a handful of components to pull off a pretty impressive parlor trick — using a single 1.5V battery, the Joule Thief can light a high-voltage blue or white LED that normally requires 3.5V or greater to turn on. Even more impressive,

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WIN SOURCE – A GOOD PLACE TO BUY COST EFFECTIVE COMPONENTS ONLINE

WIN SOURCE – A GOOD PLACE TO BUY COST-EFFECTIVE COMPONENTS ONLINE

There are thousands of different electronic component distributors  and suppliers around the world, who sell similar parts with a range of different prices. However, In the course of my internet search, i stumbled upon WIN SOURCE, a Hong Kong-based electronic component distributor of commonly-used components and obsolete parts since 1999. They boast of over hundreds of

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Develop your IoT and robotics skills with this training bundle deal

Develop your IoT and robotics skills with this training bundle deal

As the internet of things evolves, understanding it is key to both better security and more efficient use. The 2022 Complete Raspberry Pi & Arduino Developer Bundle features nine courses to hone your open-source controllers and device skills. All nine courses are taught by Edouard Renard. In addition to Renard’s extensive work experience with open-source software as a software

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Toshiba combines 130nm

High current and Toshiba combines 130nm logic for motor drives

Advanced integrated logic/power process optimises power handling, efficiency and   intelligence for combined driver-controller applications. Düsseldorf, Germany, 16  th November, 2010 – Toshiba Electronics Europe has revealed details of its new BiCD process, which combines 130nm logic design rule with current-handling capability to permit unprecedented integration in devices such as sensorless BLDC motor drives. The process

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BUILD YOUR OWN TWO FACTOR AUTHENTICATOR WITH GOOD USB

BUILD YOUR OWN TWO-FACTOR AUTHENTICATOR WITH GOOD USB

Two-factor authentication is becoming the norm for many applications and services, and security concerns around phone porting hacks are leading to a phaseout of SMS-based systems. Amidst that backdrop, [Josh] developed his own authentication device by the name of Good USB. The device can be built using a Arduino Leonardo, SS Micro, or even a BadUSB

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LASERPECKER PRO – THE MOST ADVANCED PORTABLE ENGRAVER 1

LASERPECKER PRO – THE MOST ADVANCED PORTABLE ENGRAVER

LaserPecker Pro-The Most Advanced Portable Engraver. Compact, Safe & Easy-to-use ​Laser Engraver LaserPecker recently announced a Pro version of their LaserPecker portable, affordable, compact laser engraver. Launched earlier this week on Kickstarter, the Laspecker Pro surpassed its modest funding goal of $10,000 in just 14 minutes and is currently approaching $200,000 with over three weeks left to

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