Posted June 14, 2017 by Chris

"An important factor with the decisions on hardware has been to get the minimum possible host hardware to support the graphics cards. Since mining on a CPU is impractical we have chosen the cheapest available motherboard with 5 PCI-Express slots (of any type x1 – x16) and configured with the least expensive CPU possible."

Posted July 6, 2015 by Chris

"I recently built another Bitfrore prototype so I thought I’d take the opportunity to capture the whole process from start to finish. The prototypes are completely hand built so its a process that anyone could use to develop their own electronics at home. I use the toner transfer method for etching my homemade PCBs. This process allows a very fast turn around between design and testing."

Posted February 17, 2014 by Chris

"In the mining rig described here an FPGA does all the hard work (SHA-256 hashing) and communicates over a serial link with a Raspberry Pi. The latter requesting new work from, and submitting proof of work done to, a Bitcoin mining pool."