![]() ![]() Once you have Raspbian installed, and have gotten through all of the first login setup stuff (which will likely end with a reboot), log back in to the Raspberry Pi with the pi user. If you don’t expand the filesystem, there won’t be enough space for other software. The defaults are fine for most things, just make sure that you don’t skip the step to expand the filesystem to use the rest of your SD card. After logging in for the first time, run through the wizard that comes up to configure your Raspberry Pi. You can also use an HDMI display and a USB keyboard to log in instead of using SSH. I use nMap to find the IP address that has been assigned to my Pi. Next, SSH in to your Raspberry Pi with the default username and password pi/raspberry. Once you have the image installed, put the SD card in the Raspberry Pi, connect the Pi to your network, and connect the Pi to your micro USB power adapter to power it on. If you are using the dd method on a Mac, make sure to use /dev/rdiskX instead of /dev/diskX - both will work, but rdiskX is much faster. Instructions for installing the image can be found here. Next, download the latest Raspbian image from /downloads/ and install the image to your SD card. The password for your worker does not have to be the same as the password for your pool account (and it probably shouldn’t be). Once you’ve created a pool account, make sure to create a worker too (for MPOS pools, that will be under My Account > My Workers). If you want to do pooled mining, create an account for one of the defcoin pools, such as or whichever other pool you want to mine. If you haven’t already, download the defcoin wallet from. Make sure to get an SD Card and a micro USB power adapter to get the Pi up and running too. I’m using the Model B because I had one already, and also because it has a built in ethernet port that will make connecting to the internet easy. The Raspberry Pi can be purchased at any number of places- Amazon, SparkFun, AdaFruit, etc. These ASICs can also mine Bitcoin at the same time, but you may need a beefier power supply if you want to do that. I’m using a 60W power supply, which seems to be working fine for defcoin (Scrypt) mining. You’ll need a 12V power supply to power the ASIC, and a USB A to USB Mini B cable to connect the ASIC to the Raspberry Pi. You can also find other vendors by searching for “Gridseed ASIC”. ![]() Use this link, and you can get $20 off of a $200 order (and give me some referral points :-)) GAWMiners. That was the lowest price that I could find, and I had a good experience buying from them. There are a few places where you can buy these. There is actually a circuit board with 5 ASIC chips sandwiched between two halves of this heatsink, and has a mini USB connector and a power connector sticking out the side. It looks like a CPU heatsink with a fan attached. The ASIC that I’m using is a “300+ KH/s Single Gridseed ASIC Miner”. Using an ASIC will allow us to mine more efficiently than we would be able to with general purpose hardware. If you’re not familiar with the term, an ASIC is an Application-Specific Integrated Circuit - basically a chip with a single purpose, like mining crypto currency. The Raspberry Pi will be used as the controller for the ASIC, and will be doing the communication with the mining pool. The main component is the Gridseed ASIC, which will be doing the Scrypt calculations. 12V power supply (5.5mm/2.5mm barrel connector) Want to get started mining defcoin with an ASIC and a Raspberry Pi? Does 360 KH/s of mining power sound appealing? Here’s how to do it. Technically it is done and bfgminer can be run.Navigate to the directory and (If you would like to disable some miners because you will not be using them, check out the README file that comes with bfgminer) Note that by default all miner configuaations are enabled, so no extra argumetns are required if building for Block Erupters. Sudo apt-get install build-essential autoconf automake libtool pkg-config libcurl4-gnutls-dev libjansson-dev uthash-dev libncursesw5-dev libudev-dev libusb-1.0-0-dev libevent-dev libmicrohttpd-dev hidapi libmicrohttpd-dev If you choose to install another version, please change the commands accordingly. This will be the reference in this guide. I have installed the latest version (as of December 2013) of bfgminer 3.9.0. ![]()
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