Science & Technology

Tape drive case used to house Mendel controller and power supply.

3d Printer Construction: Ultimaker code and a cool housing

I built a Prusa Mendel from Makergear this summer.  It was a good quality kit and took the high road in many ways.  With that said, I still had to find and r

Commodore 8 Bit Repair Workshop - VCF East 2012 with Bil Herd & Rob Clark

Commodore 8 Bit Repair Workshop - VCF East 2012

Commodore 8 Bit Repair Workshop from VCF East 2012.  Rob discusses the current state of troubleshooting towers, dongles and silicon replacement, Bil discusses how to troubleshoot processors and com

VCF 8.0 History of Commodore Part 2 with Bil Herd

VCF East 8.0 - History of Commodore Part 2

From the Vintage Computer Festival East 8.0 , Bil Herd talks about working for Commodore from just before the de

How-To,Design,Arduino,Shields,Eagle,PCB

How-To: Design Arduino Shields in Eagle

Tutorial for making a add-on PCB "shield" using the Arduino footprint and interface standard.

Robotgrrl gets interviewed

They usually have to crank the gain up on the audio as Erin is very quiet.

 

WCHE Computer Corner, Joe Myshko, Gener Mitchell, Bil Herd

WCHE Computer Corner Interviews Bil Herd

Bil Herd joins fellow Commodore alumni Joe Myshko and Gene Mitchell on Computer Corner on WCHE 1520 West Chester on Saturday 31 March at 8:00 AM.  The video will also be broadcast at

Jeri Ellsworth home grows an NMOS Transistor

Jeri Ellsworth multipart video Making NMOS Transistors

Jeri has over 200 videos up on Youtube about many subjects.  In this video Jeri talks about the steps she will do to grow NMOS transistors i

Robotgrrl on IEEE

Robotgrrl in IEEE

I just love grassroots engineers who get bigtime validation.  I especially like to see a female do well in field that has historically been a full of males.

High Speed Digital Design Guidelines

  • Sat, 2011-10-08 01:16

This book supplied the math for what I had learned intuitevly over several years.  learn how off-center vias and

Calculate PCB Trace Impedence

  • Sat, 2011-10-08 01:12

We didnt have an abundance of these tools not so long ago like we have now.  After painfully punching

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