Apple II
Vendors
Apple II
ISO01 – Compact low voltage isolated power supply
Project Status: work in progress While working in the lab it’s often useful to have a small isolated power supply handy. Depending on the circuit configuration, ISO01 can generate galvanically isolated unipolar and symmetric voltages from a single 3.3V or 5V rail. The circuit is based on the Texas Instruments SN6501 …
Apple II
GRAD – Micropower Geiger-Müller Counter Arduino Shield
Project Status: work in progressLike many other hobbyist we have always been fascinated by radioactivity and the sensors to detect it. Geiger-Müller tubes are a common and relatively inexpensive way to measure radiation. GRAD is a complete solution for radiation counting in an Arduino shield form factor. Its main features are …
Computers
CoCo DMA: All Charged Up!
Addressing the Color Computer 3 DMA operation challenges via hardware modification, while pretty simple, limits initial adoption. It places the technique into a classic “chicken and egg” situation. The CoCo3 provides an ideal platform for DMA capabilities, but owners will only perform hardware modification if highly desired peripheral capability demands …
Apple II
Apple II
Apple II
Juiced.GS to publish bi-weekly
APRIL 1, 2020 — LEOMINSTER, MA — Gamebits, publisher of quarterly Juiced.GS magazine, is celebrating its storied magazine’s 25th volume by increasing its publishing frequency. “When Juiced.GS debuted in 1996, our readers were connecting to GEnie and Delphi on archaic dial-up modems, downloading files at a snail’s pace,” reflected …
Apple II
Computers
CoCo DMA: Missing Without a Trace
Radio Shack’s introduction of the Color Computer 3 introduced extensive changes to the Color Computer design. Gone were the 6847 VDG and 6883 SAM, functionally replaced and enhanced with the TCC1014 Advanced Color Video Chip (ACVC) which most folks reference as the GIME. Other additions included an additional 64kB of …
Computers