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Bunkbed Control Unit Demo (Pre Enclosure)

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  • Опубліковано 6 лют 2024
  • STM32WB5MM-DK using stm32duino. An application of a bunkbed control unit using the discovery kit. I'm using it for my entry into the STM32 wireless creativity contest: www.elektormag...
    Has 5 screens, defaults to the main screen. Shows the light state in each area. Two are LED strips and two are controlled via a relay. Controlled via the buttons and touch button on the device, DFRobot's offline voice recognition module, and via the bluefruit adafruit app.
    I've put together a small arduino protoboard setup with grove connectors to handle power concerns and inputs which I show in this video. I have uploaded a few other videos with wiring information. I'll be putting together a more extensive guide for it once it's complete just putting up a video of it in progress.

КОМЕНТАРІ • 2

  • @thecosmicbee
    @thecosmicbee  6 місяців тому +1

    The DK's schematic is located: www.st.com/content/ccc/resource/technical/layouts_and_diagrams/schematic_pack/group1/0a/d5/78/b6/d7/bd/45/de/mb1292_shematics/files/MB1292-WB5MM-B01_Schematic.PDF/jcr:content/translations/en.MB1292-WB5MM-B01_Schematic.PDF
    It has a LD1117S50TR on the VIN which drops the voltage down to 5V and provides 800 mA current. I opted to use a 5V regulator from WeAct as it has a 5V 5A output via its SY8205. Also using a WeAct PD module (which I believe uses a CH224K) for USB PD (I have it set to 12V which I'm using to power the board via VIN and passing to the 5V regulator).

  • @thecosmicbee
    @thecosmicbee  6 місяців тому

    My soldering is a bit rough on the protoboard (some blobs, etc) -- unfortunately didn't see it pooling there when I connected the headers at the end but it works well enough. I opted to make the larger blobs when connecting the leads on the back as well. Wish I had a bit of time to put together a proper board but wouldn't ship for the contest date so opting for this. At least the wires look somewhat nice. Time permitting I'll be putting together a proper board in the future to replace this one.