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Secret Batman Bust Switch

Project showcase by Michael Guerero

  • 12,477 views
  • 12 comments
  • 69 respects

Edge Lit Acrylic LED Sign Using Arduino

Project tutorial by STEMpedia

  • 1,636 views
  • 0 comments
  • 9 respects

Large Display Controlled by SMS

by dj-lukas

  • 2,021 views
  • 3 comments
  • 11 respects

  • A Single Arduino Uno with 14 RS-232 Ports 6 months ago

    @AlyssonR, Why?!
    When you have like 64 Physical Servers on a platform and there is no other way to access them when broken, then you need up to 64 Ports to unified into one device. Typically such a device cost a few thousand dollars, as the RS-232 voltage levels are different from the UART voltage levels, for which you will need an RS-232 to UART convertor.

    Otherwise for your NMEA data and other similar you can use a UART port expander, for which you don't need more than RX and TX.
    https://www.atlas-scientific.com/product_pages/components/port_expander.html

    For flawless Serial communication you need more than RX and TX:
    DCD Data Carrier Detect
    RXD Receive Data

    TXD Transmit Data

    DTR Data Terminal Ready
    DSR Data Set Ready
    RTS Request To Send
    CTS Clear To Send
    RI Ring Indicator

    The baud rates is no usually limited to 1200 or 9600 baud, is only set as default and it can be changed, but looks like you are not reading the Datasheet Manual.

    Standard baud rates include 110, 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200, 128000 and 256000 bits per second.

    @phpoc_man Nice Work!

  • DIY Arduino Based Pulse Induction Metal Detector 6 months ago

    Nice!

    The real test is within the real environment, the air has a better permeability, as earth, sand and other things where the coins or "treasures" are berried.

  • Alpha V1: Open-Source Arduino Base Remote Controller 6 months ago

    Pretty nice! but...
    Questions:
    1. Why do have the same name and same version for a different configuration? That is against Product development laws.
    2. What are the pros and cons, regarding the ergonomic aspect?
    3. Which protocols do you remote control support?
    4. What is the frequency supported?
    5. What is the implementation/development effort on the robot side?

    For the moment, I have doubts that this will be a real product, that can go on the market, as it is just a prototype... and you still have a lot of work to do.

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