C64/SX64 RAM Cartridge revisited

C64/SX64 RAM Cartridge revisited

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...
New PCBs arrived today

New PCBs arrived today

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...
PCB 3: UCload

PCB 3: UCload

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...
PCB 2: 23C64A adapter

PCB 2: 23C64A adapter

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...
New PCBs have arrived

New PCBs have arrived

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...