Dear Dave,
Hello, I am Vivek Mathema from Thailand, I have been your regular viewer in EEVBLOG. I am currently doing a research in cancer cell and I would love to study the use of per-defined electrical pulses on cancer cells. Professionally, I am not electrical engineer and my budget is very limited but with my deep enthusiasm towards electronics I do manage to make a few electronic gadgets whenever possible.
As a student, I cannot afford to buy even an entry level oscilloscope because anything over 100 us$ is out of my reach. In desperation, I did one tried once to utilize cheap DSO138 Oscilloscope kit, but it didn’t work well and I couldn’t figure out what’s wrong. Finally, I made an Arduino-based Poor man’s oscilloscope which has very limited functionality. Basically, It’s a portable oscilloscope powered by arduino uno with a touch screen, a built-in Li-Pol cell, a Li-Pol charger circuit, a voltage booster and a voltage divider module which allows me to measure up to 25 volts of DC input as opposed to traditional 5 volt limit in most Arduinos. However, anything above 1 KHz signal it’s very difficult and virtually impossible to measure with any clarity and precision. I was planning to make a gadget (in a crude terms) which would read a sensor measurement (e.g. CO2 gas level) from a cell culture and feed-in appropriate pulse of square wave signal as output and study the effect of the Pulse on cell growth by later measuring viability. However, I am quite stuck in my project as I do not have Oscilloscope (or funding to buy one) to measure quality of my output signal so I cannot adjust my signal as well. I do plan to use amplifier ICs/circuit to amplify output pulse strength on the output once I have oscilloscope. In Thailand, we don’t even have eBAY so that I could not buy a cheap second hand Oscilloscope as well.
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Here’s a quick 2 min Video I made: (Main Video for the GIVEAWAY)
Youtube link:
https://www.youtube.com/watch?v=MDLq8SHWdRQ] [url]https://www.youtube.com/watch?v=MDLq8SHWdRQ[/url]
(Sorry that I had to speak fast to limit video within 2 min and the quality of video is not very good)
I do had attached few pictures of my oscilloscope and prototype gadget too. please check it out
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As you calmed, EEVBLOG is for anyone from a Professional in electronics to a Hobbyist like me, I hope I do have a chance to make my dream come true by winning this GIVEAWAY…Honestly, it means a lot to me.
Even though, I lack any funding and I am struggling myself for a living, I do love to contribute something to the internet and to others like me. In this quest, I do have barely managed to register myself in Google Play Store and made Software related to Graphs, Waves and also a crude Arbitrary Sine wave Generator for Android Mobile devices. I have given it for FREE (Absolutely NO adds, NO any in-apps purchases) to everyone. I did manage to check the quality of my software output tone/wave on few devices but It would be nice if I had my own nice oscilloscope to check the arbitrary waveform. I would gladly make more advance and accurate software (freeware)in future if I had access to my own Oscilloscope. Hence, in this context, your Giveaway would be a great asset for me.
Here is the youtube link of my crude Arbitrary Signal generator App
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VIDEO LINK ( extra video regarding the software, optional )
Link:
MX Arbitrary Wave Generator (Google Play store)
Google Play store App link:
https://play.google.com/store/apps/details?id=com.MXArbigen.www&hl=enI do had attached a picture of my app screenshot too. please check it out
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In addition, I have also acknowledged you (with all your web links) and others as my inspiration for my arbitrary waveform software development.
Dear Dave, I am willing to accept all your terms and conditions for the GIVEAWAY, and I recently came to know that there is no any restriction on the import of the parcel (including Oscilloscope) from Australia to Thailand.
Hope, you take interest on my sincere and honest request.
Thank you Dave & EEVBLOG community.
(^___^)