Call for "Ask Me Anything" Questions [2000 Subscriber SPECIAL]
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In this video, I check out whether or not I've blown this PSU up in a previous experiment.
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https://www.youtube.com/watch?v=D-ORLQs9Ra0
I was hoping this was an assembly kit, but it came pre-assembled. I still test it and confirm that it's working. Would have been more interesting if I could have assembled it. However, I do have a clear acrylic case ordered for it and will make a video assembling it in to the case.
Link to kit: https://www.ebay.com.au/itm/363123950496?hash=item548bdfc3a0:g:sQgAAOSwcylfcw7G&amdata=enc%3AAQAHAAAAoCbCsWCAa2Q9KkfrmYeVUGPEac4VBemXWTKu8axcApeolV7iOyWRjVB8MxQgKg%2FoQ7BLZJtE7OpSf58O08bsAcbqbuVcn5WfcVDET4aBa9oMC5f9%2BxhFXqtktqnYVLRLQGMWflDwIKpeX2h9OBZAVQcJhiJ0pITKzu%2F8nBlFGf44jjF9Onr1ICVQJ%2FPuxqaJc4GcXDJXvi%2FAf5kWxQ4Sabo%3D%7Ctkp%3ABk9SR7zhmsywYQ
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https://www.youtube.com/watch?v=gln5xm6kn8c
Paid $20 (including postage) on an eBay auction on these nice bookshelf speakers. What do I think of them?
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https://www.youtube.com/watch?v=OJXZ_IzHN48
I don't really want to flog a dead horse but, as I don't like having things around that don't work properly; in this video, I buy a crystal to make the RDA5807FP IC work (albiet it's the wrong case type as, you know, Jaycar). I'm not impressed with the distortion that the TDA2822 output IC is pesenting so, basically, this thing is not designed right.
I also managed to get in contact with the seller (albiet the communication has been laxidacial), and they agreed to a 30% refund, which works out to about $5.40AU. This covers the $2.95AU I spent to buy a crystal.
I would, honestly, not recommend this kit at all. You will not be happy with the results. I may do another follow-up video in the future to see if I can address, and/or, fix the distortion issue. Enjoy the video!
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https://www.youtube.com/watch?v=TkzibQe3D6o
From the movie released in 1998 "Armageddon".
Freely available stems here: https://disk.yandex.ru/d/9C6OON_YB62HxQ
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https://www.youtube.com/watch?v=zG8ikSJnClA
Things start moving forward... the case starts getting drilled and components begin making their way inside.
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https://www.youtube.com/watch?v=OECOuBCw6m0
Well, it's definitive now!
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https://www.youtube.com/watch?v=qISrwtmPIug
In this video, I build a cheep mini DDS (Direct Digital Synthesis) function generator kit which is readily available on eBay.
Link to kit: https://www.ebay.com.au/itm/DDS-Function-Signal-Generator-Module-Kit-Sine-Square-Sawtooth-Triangle-Wave-Kit/262969948090?_trkparms=aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D227682%26meid%3De35e09332f554593a69800380f3fcaf9%26pid%3D100005%26rk%3D1%26rkt%3D12%26mehot%3Dco%26sd%3D192329848475%26itm%3D262969948090%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv5PairwiseWebWithBBEV2bDemotion%26brand%3DUnbranded&_trksid=p2047675.c100005.m1851
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https://www.youtube.com/watch?v=09xCGp-agAU
Originally designed by Darren Yates of Silicon Chip magazine back in the mid '90's, I join the current "pre-champ" kit available from Jaycar Electronics to the original "Champ" transistor amplifier. The above mentioned kit is the pre-amp to an LM386 (I'm not a great fan of that IC). So, sit back, grab your favorite beverage and enjoy this video. I will say as a side note that the reason the re-routed PCB's version (that I made) of the pre-amp doesn't perform the same as the kit's is most likely the choice for the type of capacitor for the 0.0015uF. I believe I used a ceramic disc 0.0015uF (152) which is the wrong type to use. Ceramics should used in RF circuits, not audio.
Link to original "pre-champ" kit: https://www.jaycar.com.au/pre-champ-versatile-preamplifier-kit/p/KC5166
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https://www.youtube.com/watch?v=lBEOjzGmqr8