by Sjaak | Jun 7, 2016 | Blog, PCB, product, vintage |
Together with the PCBs came in a new revision of the C64/SX64 RAM Cartridge with onboard SD2IEC. It has a completely new layout and was tailor made to a C64 Cartridge shell I got from Ebay. Now I had more PCB estate at my disposal so the layout is much cleaner and...
by Sjaak | May 18, 2016 | Blog, PCB, Prototyping, vintage |
It has been a while that I ordered some PCBs.. I got a bit scared by my own post , so it took a while for sending them in. As usual I use the DHL option, but as I feared there were custom troubles again. I managed to contact customer service and got it somewhat...
by Sjaak | Dec 29, 2015 | Blog, PCB, Prototyping, testing |
With no snow outside I finally got around to solder the 3rd PCB. It is the second revision of a microcontroller dummy load. It is loosely based on the arachnidlabs uc:load. It uses the same base ciruit and adds a microcontroller (PIC16F1825), rotary encode...
by Sjaak | Dec 22, 2015 | Blog, PCB, product, Prototyping, vintage |
Today came in the Atmega644P’s in TQFP package I scored on eBay. Today I’m focussing on the SD2IEC part of the RAM cartridge. I was a bit scary to order them there as ebay is wellknown for knockoffs, nonworking or rebadged stuff. Even the big players...
by Sjaak | Dec 8, 2015 | Blog, PCB, Prototyping, vintage |
As said in the previous post I have made a couple of PCB’s and they have arrived this week. Today I’m testing my design of a 23C64A to regular EPROM adapter. It will take upto a 64KB EPROM (27C512). I’m a bit hesitating to fit a prototype into my...
by Sjaak | Dec 7, 2015 | Blog, manufacturing, PCB, product |
Every now and then I send off 3 to 4 gerbers to my friends at dirtypcbs.com. I really like them as they are really cheap (am I Dutch or what?) and they provide reasonable PCB’s. I don’t like to wait about 3 to 4 weeks for them to arrive so I use their DHL...