Peripherals/Hand Crank - OLPC
WEBDec 6, 2011 · Cranking at 130-140 rpm yields nominal 15VDC at 1500mA. LED indicates minimum winding speed for charging the laptop. Cable connects directly to XO laptop. Cost estimate: $13 each. Freeplay® Energy's Development Page. Categories: Peripherals. Battery & Power. Last edited on 18:50, 6 December 2011.
OLPC XO 3.0 Tablet Hands-On: 6-Minutes of Hand Crank for …
WEBJan 8, 2012 · McNierney showed us a hand crank that can be used to generate electricity for the device and said that the tablet is so low power that it gives you 10 times the amount of time you put into it;...
XO: The Children's Machine - OLPC - One Laptop per Child
WEBAug 12, 2013 · To top off the battery—for use at home and where power is not available—the laptop can be hand powered. It will come with at least two of three options: a crank, a pedal, or a pull-cord. It is also possible that children could have a second battery for gang-charging at school while they are using their laptop in class.
OLPC - One Laptop per Child
WEBFeb 14, 2009 · We have several groups looking at different human-power options, including a hand crank, a foot treadle, and a pully system. Our goal is a minimum of a 1:10 ratio of "cranking" to use, e.g., one minute of cranking give you ten minutes of use.
OLPC’s $100 laptop was going to change the world - The Verge
WEBApr 16, 2018 · If you remember the OLPC at all, you probably remember the hand crank. It was OLPC’s most striking technological innovation — and it was pure vaporware.
Two Awesome Examples of Repurposed OLPC Hand Cranks
WEBMay 7, 2012 · In doing so I discovered that Laura Hosman's IIT team in Haiti and Sameer Verma and other folks from OLPC San Francisco had both recently found cool ways to repurpose the famous OLPC hand crank: The IIT …
I Miss the OLPC, a Little Laptop That Dreamed Bigger Than It ... - Gizmodo
WEBOct 30, 2019 · In 2005, Negroponte revealed the first prototypes of what would eventually become the original OLPC XO: an incredibly affordable fully-functional laptop that even included a hand crank on the...
Crank, bicycle, and waterwheel: hands-on with the OLPC XO 3.0 …
WEBJan 10, 2012 · Not only can the device be powered by a separately purchased hand crank or solar panel (which uses externally exposed screws that hold the tablet together to transmit power), but according to...
My OLPC for portables week. : r/retrobattlestations - Reddit
WEBI had a handcrank radio/flashlight and the hand crank was terrible, so I was curious how it worked out. Someone else posted a link to an article about OLPC I just read. This quote sums it up: If you remember the OLPC at all, you probably remember the hand crank.
OLPC's XO 3.0 tablet hands-on (video) - Engadget
WEBJan 8, 2012 · That chip, along with the custom charging circuitry developed by OLPC and Marvell means that the tablet can be charged by a hand crank at a 10:1 ratio (10 minutes of usage time for every minute...