S/PDIF - TOSLINK interface

Circuit & Information on TOSLINK interfaceSo you want to get a high quality audio for minidisc recording but whenusing red and white RCA, the quality drop drastically. Here a my cheap solution for you.Actually you can find a lot of references of this type of simple project in the internet.REF* S/PDIF = Sony/Philips Digital Interface* TOSLINK = ( TOSLINK Interconnect History & Basics)* Another web offering the same information* SPDIF at epanorama.netMeet my version of cheap, 2 components TOSLINK @ S/PDIF.Try to find a cable with connector from old PC casing for this.(HDD led,reset switch or power button connector)Assemble it using your own creativity. Use the pen tube for the light transmission.Connect it to the back of your CDROM...

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PC IrDA interface

DIY IR interfaceThis circuit is also from www.electronics-lab.com.Since it is very hard for me to get the infrared interface (TFDU4100), I start to look in the old/damage handphones.It looks something like this.Now, you need to remove it using the hot air blower perhaps.Connecting to motherboardPlease refer to www.electronics-lab.comon how connect this irda module to your motherboard.My IrDAInfrared Transceiver ModulesHere are the pin layout and picture of the device.Pin Description of TFDU4100 Pin Number Function Description I/O Active 1 IRED Anode IRED anode, should be externally connected to VCC2 through a current control resistor 2 IRED Cathode IRED cathode,...

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