Switch mode Altoids iPod charger using 3 ‘AA’ batteries
Ian writes – “The goal of this project was to build an efficient Altoids tin iPod (firewire) charger that runs on 3 (rechargeable) ‘AA’ batteries. This project started out as a collaborative effort with Sky on PCB design and construction, and I on circuit and firmware. As it is, this design will not work. It […]
Nick-oshean in the Gentoo forums writes – “This how-to will discuss how to get EVDO on Gentoo Linux. Specifically Verizon EVDO using the Keyocera KPC650 EVDO PCMCIA card. Most if not all EVDO PCMCIA cards are just serial modems with usb-serial hardware. So they basically just show up as USB devices. They could have just been serial devices but I guess it’s easier in windows to make it a USB device that converts to/from serial, maybe it’s easier to write drivers for or easier to work with. But it makes it relatively easy for us to support it in Linux.”
Nice use of a mint tin! – “This site features projects and circuits for building stereo microphones from low-cost Panasonic electret microphone capsules. Included are Mid-Side, XY, and Blumlein microphone setups. In addition, there are interesting related circuits and links to sites with microphone information and parts sources.”
One of the winners from the