uncleflo
Registered since September 28th, 2017
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Tag selected: suppress.
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Chinas Vanishing Muslims: Undercover In The Most Dystopian Place In The World - YouTube
Saved by uncleflo on October 12th, 2019.
China’s Uighur minority live a dystopian nightmare of constant surveillance and brutal policing. At least one million of them are believed to be living in what the U.N. described as a “massive internment camp that is shrouded in secrecy,” while many Uighur children are taken to state-run orphanages where they're indoctrinated into Chinese customs. The Uighurs' plight has largely been kept hidden from the world, thanks to China’s aggressive attempts to suppress the story at all costs. VICE News’ Isobel Yeung posed as a tourist to gain unprecedented access to China’s western Xinjiang region, which has been nearly unreachable by journalists. She and our crew experienced China’s Orwellian surveillance and harassment first-hand during their time in Xinjiang, and captured chilling hidden-camera footage of eight Uighur men detained by police in the middle of the night. We spoke with members of the Uighur community about their experience in these camps, and about China’s attempts to silence their history and lifestyle under the cover of darkness.
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Pololu 3.3V Step-Up Voltage Regulator U1V11F3 – Melopero
Saved by uncleflo on August 1st, 2019.
This compact (0.45″×0.6″) U1V11F3 switching step-up (or boost) voltage regulator efficiently generates 3.3 V from input voltages as low as 0.5 V. Unlike most boost regulators, the U1V11F3 offers a true shutdown option that turns off power to the load, and it automatically switches to a linear down-regulation mode when the input voltage exceeds the output. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
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Tutorial on back EMF suppresion: its causes and its cures.
Saved by uncleflo on July 17th, 2014.
Physical electronic access control, almost always, involves driving an electromagnetic locking device of some kind. It might be a powerful magnet or a smaller solenoid within a strike. All these devices are subject to the same basic laws of physics. The electromagnet will store energy when powered and will generate a “back EMF”, or counter EMF (CEMF), when the supply is switched off.
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