All posts in the 'Computer projects' Category
This PS/2 key logger is a 100% operational and tested device, assembled and used by hundreds of people around the world.Full firmware & software source code, keylogger hardware electrical schematics, and documentation are included from this website.[more]
Serial EEPROMs are in all kinds of digital consumer electronics. They are usually pretty small and only hold enough data to store things like a serial number and some metrics or user preferences.Here is an I2C to PC-parallel adapter in Altoids can.[more]
The PC Printer Port Interface presented here allows a significant number of data latches, or ports to be controlled from a single PC parallel / printer port. Standard and bidirectional ports are supported. Enhanced ports are not required. Fully expanded, and with 8 bit latches connected to each sub-address, it is possible to address 1024 individual 1 bit lines, for turning on or off lights, motors or whatever. [more]
The BS2-IC handles the startup and shutdown of the computer. One second after the car is started the computer begins to boot. When the Linux operating system is ready to be used, the in-dash VGA LCD turns on. The boot and shutdown process is completely transparent to the user. The dashPC is an integrated computer console built into the dashboardย�in theย�car. The computer is interfaced via a 6.4″ Touchscreen VGA LCD display mounted in the center console. In addition, a wireless keyboard / mouse combination is used for text entry. The dashPC has Global Positioning (GPS) and Navigation, Digital Video Discs (DVDs), Games (Quake 3, SoF, UT), Address book database, etc.[more]
Old cellphones are great for scavenging ยตC project parts like small LCDs, motors, etc.Here is a rundown on how to repurpose an old USB cellphone data cable for rs232 communication.Bob writes:
About three years ago,I bought a USB data cable to use with T610 mobile phone.I can’t remember what is model just know it is made in China.But now I have a new model mobile phone and my USB data cable not used at all.So I want to modify it to use with my microcontroller projects that use rs232 communication like a USB to RS232 converter.If you have this cable and want to modify this article may help you.
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