Old post, do not use this advice, but the tool found at lent.ink/projects/pwd As a logician, I like to order certain things in my life, based on logic, instead of emotion. Examples are file and directory structure, clothes in closet and of course, passwords. You probably all know the deal, of remembering various passwords, which can be a nightmare. And we all know that you should not use the same passwords on multiple site, because some save them plain text, and usually the sites that do, have poor security, which means an easy breach. Read more

Before the era of solar chargers, people could charge their phones via their bike dynamo. Phones back then charged at a maximum of 500mA, which is close to the 400mA a regular bike dynamo generates. Nowadays phones require lots more power. A video of this board can be found here. What you’ll need: 50x100mm board 4 diodes 1n5817 (in order of preference: 1n581[7,8,9] or 1n400[1,2]) large capacitor: 10-35v, 750-1000uf small capacitor: 10-35v, 10-24uf 7805 (don’t get the small 100mA) What you need to know: Read more

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