Mailbag Part 1



Part one of a long Mailbag video.

00:02:28 Arduino Mini
00:02:29 Nicla Sense Me
00:05:37 25kHz Ultrasonic Power Tools
00:08:16 TC66 USB-C Tester, USB-C Notebook adapter
00:12:40 SDR Transceiver Pluto plus
00:15:14 403MHz / 433MHz Filter, Power Splitter

Links:
Arduino Mini : https://store.arduino.cc/products/uno-mini-le
Nicla Sense Me : https://store.arduino.cc/products/nicla-sense-me?queryID=undefined
25kHz Ultrasonic Transducer : https://www.aliexpress.com/item/32905854012.html
25kHz Ultrasonic amplifier : https://s.click.aliexpress.com/e/_AYvtBQ
TC66 USB-C Tester : https://s.click.aliexpress.com/e/_AKXYr2
Surface USB-C Adapter : https://s.click.aliexpress.com/e/_AXVUpI
USB-C Charger : https://s.click.aliexpress.com/e/_A3jx9S
Pluto Plus : https://s.click.aliexpress.com/e/_ApGRMu
Adalm Pluto : https://amzn.to/3qyQ9oA or https://www.mouser.ch/ProductDetail/Analog-Devices/ADALM-PLUTO?qs=xbccQsLEe0ffoUoi%2FjfIWA%3D%3D
403MHz Filter : https://s.click.aliexpress.com/e/_AkrT6k
433MHz Filter : https://s.click.aliexpress.com/e/_Ae6pt6
Power Splitter : https://s.click.aliexpress.com/e/_A6Z7O4
RTL-SDR Dongle (De Luxe) : https://www.aliexpress.com/item/32939551915.html
RTL-SDR Dongle (Cheap) : https://s.click.aliexpress.com/e/_9JQGAC

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24 thoughts on “Mailbag Part 1

  • January 23, 2022 at 9:59 am
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    I don't think I can paste links into YouTube but I highly recommend the new USB-C to USB-C cables with an integrated OLED Watt display in one of the plugs. They're no bigger than a regular cable, and super convenient. Many places to buy, I picked up two for under 15 euros.

    Reply
  • January 23, 2022 at 9:59 am
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    Grutti Andreas!
    – For the US transmitters – I hope you plan to check the polarity of each – in the "acoustic levitation" project at UpnaLab / UniBristol demonstrates that these are not always same (correctly marked). I assume you plan to do something with a phased-array 🙂
    – The bigger "cleaner-grade" transducer can be dangerous if it couples too much power into living tissue – if you touch it, for example, causing (not immediately apparent) bone-damage. The lack of a pain-reflex means that one doesn't realize there's a problem, until it's too late.
    – Would love to see an "HAM-RF" special episode with the 3xSDR-stack and the PlutoPlus 🙂

    Reply
  • January 23, 2022 at 9:59 am
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    Love the white gloves, having seen the mini white glove pointy hands, it was a cute moment.

    Then the whole – it is a lovely device but I don't see me using it aspect – we can all relate, and just nice to have some things for the if/maybe backburner projects.

    The USB monitors, so wished they had a TAR calibration option so you could zero the power usage, removing what the device uses so you don't have to mental math the plugged in device usage – would be easy to add and yet, not aware of any that do.

    I love the NoobElect SDR dongles, great intro price and tool for SDR. Very impressed with the x3 balloon monitoring setup, most elegant budgeting.

    Thank you Andreas, until part 2, byeee.

    Reply
  • January 23, 2022 at 9:59 am
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    For the TC66 .. is there no option to deduct the own consumption in the menu or so? If you do like a test to measure the quality or what's left over from a small battery it can be a problem if you can't.
    That Arduino mini … nice nice nice … but keeping my wallet closed. Seems like prices from Aliexpress have tripled for small circuits due to the shipping costs and most of it is not with free shipping anymore.

    Reply
  • January 23, 2022 at 9:59 am
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    hello this is the guy with the swiss acce…(smashes like button instantly)

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  • January 23, 2022 at 9:59 am
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    that arduino mini is GOLD plated!…the box it came is was overkill tho!

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  • January 23, 2022 at 9:59 am
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    For the ultrasound things: does the fact that you can not hear them mean it will not do harm? I myself would not feel comfortable working with those devices without protection.

    Reply
  • January 23, 2022 at 9:59 am
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    Can you please build a mail box that's actually smart and will work against thrives ?

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  • January 23, 2022 at 9:59 am
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    nowadays you only have to plug the components together and program them

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  • January 23, 2022 at 9:59 am
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    I also got one of the Limited Arduino Uno Mini's just to have it as a display piece.

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  • January 23, 2022 at 9:59 am
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    I wasn't aware of the Pluto devices. Those are great! Thanks for sharing!

    Reply
  • July 31, 2022 at 11:33 pm
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    I’m amazed, I have to admit. Rarely do I encounter a blog that’s both educative and interesting, and let me tell you, you have hit the nail on the head. The problem is something which too few folks are speaking intelligently about. Now i’m very happy I found this in my search for something concerning this.

    Reply

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