用電腦做 CRO/DSO！
Zelscope is a Windows software that converts your PC into a dual-tracestorage oscilloscope and spectrum analyzer. It uses your computer'ssound card as analog-to-digital converter, presenting a real-timewaveform or spectrum of the signal - which can be music, speech, oroutput from an electronic circuit. Zelscope features the interface of atraditional oscilloscope, with conventional gain, offset, timebase, andtrigger controls. As a real-time spectrum analyzer, Zelscope candisplay the amplitude and phase components of the spectrum.[url=http://www.zelscope.com/]http://www.zelscope.com/[/url]
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Turn your PC into a free oscilloscope
with ADC0820 connected to the printer parallel port
[url=http://www.geocities.com/lptscope/]http://www.geocities.com/lptscope/[/url]
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This article describes a simple way to interface the ADC0804 8-bitanalog-to-digital converter IC to the parallel port of anIBM-compatible PC. It largely superceeds my old page on how tointerface the (now obsolete) ZN448E.
[url=http://www.techmind.org/ucapwas/ppadc.html]http://www.techmind.org/ucapwas/ppadc.html[/url] #ai_yo# 大current 會唔會爆sound card 或成部機死 可能會 #ham_sub#
佢話要加 buffer 同 1V AC 內 #ai_yo#大金urrent釙山3用番cro喇
咁又係cro,幾千蚊又係cro[quote]原帖由 [i]情長仔[/i] 於 26/4/2007 20:41 發表
#ai_yo# 大current 會唔會爆sound card 或成部機死 [/quote]
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