A teardown of a Macbook charger by Ken Shirriff: Have you ever wondered what’s inside your Macbook’s charger? There’s a lot more circuitry crammed into the compact power adapter than you’d expect, including a surprisingly capable microprocessor. This charger teardown looks at the numerous internal components and explains how they work together to keep your laptop […]
Tag Archives: Apple
Emulating the Apple HD20
Steve at Big Mess o’ Wires writes: So how does it work? First off, we can assume that raw data bytes are sent and received in serial fashion using NRZI encoding on the ReadData and WriteData lines of the floppy connector. While the DCD documents don’t specifically mention this anywhere, it’s a safe assumption because […]
Mac floppy emu prototype
Steve at Big Mess o’ Wires has resumed work on his Macintosh floppy drive emulator project. Previously he had developed the project on a breadboard using an Altera EPM7128S CPLD and an Atmel ATMEGA32u4 microcontroller. Now he has assembled it on a project board and updated some of his components. He writes: The firmware has […]
iOS communicating with Arduino demonstration
This video from OSCON, the Open Source Convention, features Alasdair Allen demonstrating the use of Maker Shed’s RedPark Breakout Pack for Arduino and iOS. This demo the Redpark Serial Cable for iOS, which is an Apple-approved cable for connecting your iOS device to almost anything using serial communication. For more information and a link to […]
Samsung to launch banned tablet on Dutch market
Samsung to launch banned tablet on Dutch market: South Korean electronics giant Samsung will Tuesday launch its Galaxy Tab 10.1 on the Dutch market in the midst of a legal stand-off with rival US-based Apple and sales banned elsewhere in Europe. … The case before the Dutch court is the latest episode in the battle […]
FPGAs and Apples
One area of FPGA development involves the emulation of retro computers. AppleLogic is a site for hobbyists who develop FPGA cores of early Apple Computer models. Their collection of early Apple user manuals, schematics and documentation is quite impressive.