URL Notifier

This app monitors URLs and Files for changes. It runs from the command prompt, just pass the URLs as the parameters. If its a file use file:/// URL. It uses Internet Explorer URLMon library to download the URLs. To see how to use just open urlnotify.exe file. Great for RSS feeds, comments feeds and blogs.

Things you can do with Soundcards

There are a couple things a soundcard could come in handy for electricians. Dual channel oscilloscope and RCL meter/ The first circuit shows you a design for oscilloscope: That circuit gives an impedance <500K on CH1 and CH2. R1 and R2 adjust the voltage range. R3 and R4 is for current limiting resistors for the …

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