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#413

Oscilloscopes and signal generators are handy tools in our labs. Unfortunately, they are not cheap. What if you had such devices already and did not know? All newer PCs have loudspeakers and a microphone. So they can create sound as well as record it. And usually in decent quality. Like oscilloscopes and signal generators! We only need a connection and software to create the desired waveforms and visualize the measured voltages. Fortunately, such software is available. And the best: We can use it free of charge! I am a proud Patreon of @GreatScott!, @ElectroBOOM , @Electronoobs , @EEVblog , and others. Links: 6.3mm jacks: https://s.click.aliexpress.com/e/_AMkazC 3.5mm jacks: https://s.click.aliexpress.com/e/_A534ES 26AWG shielded cable: https://s.click.aliexpress.com/e/_9xlU3c Screw terminals: https://s.click.aliexpress.com/e/_9yTvmW Prototype PCB: https://s.click.aliexpress.com/e/_Abfqzg Power Op-Amp: https://s.click.aliexpress.com/e/_ANmdtc Cheap sound card: https://s.click.aliexpress.com/e/_98MB8i or https://amzn.to/3q5nLKe or https://bit.ly/34naYue Reference microphone: https://amzn.to/3F7KFVL Focusrite Scarlett: https://amzn.to/3HPgsg2 Powerstation Kickstarter: https://www.kickstarter.com/projects/... USB Insulator: https://s.click.aliexpress.com/e/_9iPaVm or https://amzn.to/33soAEI Good audio video (German):    • #REW #TUTORIAL Teil 2 #DIY | REW (Roo...   Good audio video (English):    • Discrete audio amplifier project PT20...   REW Software: https://www.roomeqwizard.com/ Arta Software: https://artalabs.hr/ Another software: https://www.sillanumsoft.org/ Another software: https://www.zeitnitz.eu/scope_en Arta Box (German): https://www.artalabs.hr/AppNotes/AN1_... Arta Box (English): https://www.artalabs.hr/AppNotes/AN1-... How good is your oscilloscope: http://www.unitest.com/pdf/How-Good-i... The links above usually are affiliate links that support the channel (no additional cost for you). Supporting Material and Blog Page: http://www.sensorsiot.org Github: https://www.github.com/sensorsiot My Patreon Page:   / andreasspiess   Discord:   / discord   If you want to support the channel, please use the links below to start your shopping. No additional charges for you, but I get a commission of your purchases to buy new stuff for the channel My Amazon.com shop: https://www.amazon.com/shop/andreassp... For Banggood https://bit.ly/2jAQEf4 For AliExpress: http://bit.ly/2B0yTLL For Amazon.de: http://amzn.to/2r0ZCYI For Amazon UK: http://amzn.to/2mxBaJf For ebay.com: http://ebay.to/2DuYXBp https://www.facebook.com/profile.php?...   / spiessa   https://www.instructables.com/member/... Please do not try to email me. This communication channel is reserved for my primary job As an Amazon Associate, I earn from qualifying purchases #no#midroll#ads