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Archive for the ‘Tutorials’ Category

Bit coin miner from Ebay scrap (V)

25 Jun

Nope … we have not ‘given up’
In fact we have made some excellent progress
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Bitcoin Miner from Ebay Scrap (Part III)

09 Jun

Ok….
A couple of days ago I posted a screen shot of the Ebay Scrap miner pushing 120MH/s

Today I have a screen shot at 150MH/s
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Building a Bitcoin miner from Ebay Scrap (Part II)

07 Jun

Well……
The time has finally come to Build our bitcoin miner.

Specification

  • Ebay Scrap FPGA
  • Cost <$100USD
  • Speed >150MH/s
  • UART Interface
  • Standard ATX computer Power supply

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Tips for using GitHub

25 Feb

GitHub is great for finding code and then forking it, however one issue is that there are a significant number of idiots forking projects and then making insignificant formatting changes, maybe they want to see their name up on the web or even claim that they are part of the project (great for job interviews)

So when forking a project you need to ensure you have the actual base project and not some numpties re-fork of a re-fork.

Here is a classic example taken of a FULL Git patch:

@@ -6,7 +6,7 @@
6# Datatypes (KEYWORD1)
7#######################################
8
9-DHT22 KEYWORD1
9+DHT22 KEYWORD1
10
11 #######################################
12 # Methods and Functions (KEYWORD2)

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Arduino Mega: Direct R/W of a Nand Flash memory chip

02 Jan

Since I had little to do over New years day, I threw together some Arduino code that would allow reading of Nand-Flash chips. This includes the memory contents and both the ID and ‘secret’ ID where supported.
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Kernel and U-Boot building Tutorial for Freescale iMX515 Cortex™-A8

14 Jan

A tutorial based around the ‘README’ notes of the Freescale Android R_92 release from Freescale has been posted
Kernel Build

The purpose of the tutorial is to walk users through the actual procedure in a little more detail, as the tutorial progresses it will cover Linux Kernel building and installation onto the Pad device.