Charge the P800 with standard USB-cable

Status: Research

SonyEricsson's standard USB datacable doesn't charge the phone, altough the USB-port could be able to do this. The reason the cable is built this way is unknown, one good guess is that the cable should work the same way wheater it's connected to an unpowered USB-hub or a USB-port on the computer.

1-wire lamp control

Status: Fully working

This is a project which connect a Maxim/Dallas Semiconductor microlan to a computer. The goal is to let the computer check if there's daylight in the apartment, and if there isn't some bulbs will be turned on.

Schematics:

PC Interface - DS2480B


Relay circuit - 1 channel, DS2405


Relay circuit - 2 channels, DS2406

test

test

Kontaktinformation

Webmaster: Patrik Hermansson, pather (at) comhem (dot) se

Syndicate content