Category Archives: education

usb erupter tutorial

usb erupter

Getting the USB Block Erupter working on Windows 7

Test Build: Windows 7 x64

USB to Serial drivers: http://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx

If you are accustomed to the nuances of cgminer, maybe it is time to learn bfgminer, because it was WAY EASIER to get these working on my Win7 test build. I’m not hating on cgminer at all; I love cgminer. I’ve heard it even autodetects these devices for you in the newest linux version. So learn linux, ditch Microsoft. But if you don’t _want_ to do that, here are some pointers.

The switch for these devices is -S. Most of the guides and tutorials I’ve read for cgminer basically treat these miners like an Icarus FPGA device.

Here’s in  an example of a cgminer string to enable and use these devices (if you had devices registered as COM3, COM4, COM5, COM6, etc):

cgminer.exe –icarus-options 115200:1:1 –icarus-timing 3.0=100 -S //./COM3 -S //./COM4 -S //./COM5 -S //./COM6

I was never actually able to get cgminer working at all with a single device on COM3. I attempted to exclude GPU’s with -G, I tried different drivers, it did not want to cooperate with me. So let’s try bfgminer, shall we.

I was able to get it online with the latest version of bfgminer by simply using:

bfgminer.exe -S all

This way it runs my GPUS and other devices also. So I recommend it. I’ve excluded the pool options and I assume you can add them yourself. Happy Mining!

miner-erupter

Postscript

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ADHD/ADD

Late night information gathering has me feeling sympathetic.

While reading HN, I stumble across this. I was diagnosed at an early age and share in much of what William has said, however I suspect many do as well. Ultimately, I rode the short bus to another school for some time until I learned to socialize. I’m still experimenting to this day. I’ll let you know how it goes!

Never have I been medicated (sometimes I think I want to be) for ADHD/ADD and only now later in life have I come to appreciate the gift of an early childhood diagnosis and simply using other avenues to deal with it. I focus on small tasks, intense details and such. Broad strokes for me equals poor perception. I generally observe body language and situation-type details more than eye contact when recalling events, for example. Zero interruptions when performing tasks certainly helps. “Oooh! Shiny thing!” or LOUD NOISES are never helpful where matters of productivity are concerned. Getting bored with one thing usually just means I learn and do another thing. Stuffing my brain full of new ideas constantly helps.

I feel as though this comment sums up my little slice of experience somewhat well:

Congratulations. Now you know your brain just doesn’t work like the typical brain. And that’s a good thing. You can see things differently even if there are times when you can’t see things the same way the typical person sees them (social cues, body language, but you can still learn to pick those up). Use ADD to your advantage. I’m at least twice your age, but had a similar experience at your age. I’m still trying to finish school but it didn’t stop me from developing a career as a software engineer. I can personally attest that exercise and the “no sugar/low carb/paleo diet” mentioned by Dylan. Ambient and trance can also help at times. Lists, small goal, small breaks, help you practice focus. Medicine can help, but only in combination with behavioral therapy. Medicine has side effects, too. Many things will be harder for you to accomplish in a given amount of time while other times you’ll be amazed that others are so slow. If your ADD is documented and you are being treated by a medical professional, you can get extra time for assignments, lecture notes in advance, and other accommodations like a private room for exams where you can read out loud along with extended time limits. ADD isn’t a limiter to your personal success and happiness. It’s a challenge to which you adjust.

Bravo sir, excellent advice and I agree with you. I think you speak from a place of wisdom.

My only closing comment would be to choose your path carefully and seek help if you need it. The condition is manageable and you are not alone.

(anti) Social Media

(anti) Social Media

Mmmmhmmmm. I’ll blog about something one day, I’m almost sure of it.

Also, dat reCaptcha!

Seriously what kind of bullshit words are these? This was my third attempt and I had to guess at that.

Tagged

temperance

“Let us not seek the Republican answer or the Democratic answer, but the right answer. Let us not seek to fix the blame for the past. Let us accept our own responsibility for the future”

John F. Kennedy

In June of 1963, John F. Kennedy gave what some consider to be his most moving speech at the commencement ceremonies of American University.

This was after the Cuban missile crisis in 1962 that brought the entire world to the brink of nuclear war.

[youtube:http://youtu.be/AG2PwhT0TDc%5D

“Today the expenditure of billions of dollars every year on weapons acquired for the purpose of making sure we never need them is essential to the keeping of peace. But surely the acquisition of such idle stockpiles—which can only destroy and never create—is not the only, much less the most efficient, means of assuring peace. I speak of peace, therefore, as the necessary, rational end of rational men. I realize the pursuit of peace is not as dramatic as the pursuit of war, and frequently the words of the pursuers fall on deaf ears. But we have no more urgent task.”

[youtube:http://youtu.be/oY3rktMNHTs%5D

“For in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children’s futures. And we are all mortal.”

problem solving: barrel locks

I often refer to myself as a problem solver by nature. I work on computers, manage networks, engineer projects, and design and build things at varying scales, but where I feel most rewarded is in the moment of solving the problem. That stressful instance where I am presented with some new challenge and must conquer it.

The very moment when I can say “Ah-ha!” in my head, and no one else has seen the solution yet, that’s the moment I want to live in forever.

Problem:

Failed hard drive in a 3 drive RAID5 array. Production email server. No key can be sourced that fits the lock. Need to get the drive out to replace it. Customer claims to me “it has been that way for months”. Meanwhile, I’m shaking my head and explaining the limitations of RAID5 redundancy. So we locate a lot of barrel keys that do not work and none that ultimately unlock the drive from its caddy.

I want to replace the drive during business hours – while I am at work – instead of after hours. I do not want to destroy the lock or risk damage to the server. The best suggestions I have are to drill out the lock or contact the manufacturer and attempt to locate a replacement.

key fail

Solution:

File down slightly larger key with hand file until it fits the lock. Locks are meant to be defeated by keys. Without a key, what purpose does a lock have?

filed key filed key filed key

Like a boss, it works on the first try.

No joke. I came home last night with a task in my head like this, “I’m going to file down this key and get it to work tomorrow.”

And today, I did exactly that:

success!

Visualize the solution and make it reality.

The common man

I was reading this article:  The Myth of American Meritocracy and it made me think of Henry Wallace and the “common man”.

Who knows who Henry Wallace was? He has mostly been lost to an alternate history, a very real reality we live in now.  No one remembers him now because political back-dealings kept him from being nominated in the 1944 Democratic National Convention for Vice President. Wallace was a known Buddhist. He supported labour unions and civil rights. Party leaders wanted someone more subdued, someone tamer; someone like Harry Truman. FDR’s health was fading fast, the next Vice President would in all likelihood be the next President of the United States. Henry Wallace served as a member of this nation’s “inner circle” for 3 presidential terms.

Wallace said this publicly in the 40’s:

”George Carver, born into slavery, now a chemist at Tuskegee University specializing in botany, first introduced me to the mysteries of plant fertilization. I spent a good many years breeding corn, because this scientist deepened my appreciation of plants in a way I could never forget. Superior ability is not the exclusive possession of any one race or any one class, provided men are given the right opportunities.”

In 1942, Henry Wallace gave his most famous speech:

So you can see this man was a natural orator and a motivator – and now he has been lost to history. Truman was instated as the new president after only 88 days in office as Vice President; FDR had died. It is reported that Truman and FDR spoke only twice.

Here’s a recording of Truman’s inaugural speech:

VE Day:

America had to reap vengeance on Japan on the eastern front still. Truman decided to drop not one but two atomic weapons on an already hopelessly defeated Japanese people in 1945. The USSR already had built up over 1 million troops in Manchuria; preparing for an invasion that began days before the bombs were dropped. If you think the Japanese were more afraid of a new bomb that wipes out entire cities in the blink of any eye more-so than they were of an invading Soviet Red army, you are mistaken. The USSR fought and died more than any other country in that war.

Would the world be a different place if Henry Wallace had been re-elected Vice president in 1944?

By large, he was cherished both at home by Americans and abroad. His political party however… did not always cherish his quirks. There’s a lot more to the story of Henry Wallace, but history will largely forget him.

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