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Open Hardware/Modding: Gabuino, Printing In Silicone, Raspberry Pi, and More

Submitted by Roy Schestowitz on Sunday 23rd of January 2022 12:59:16 PM Filed under
Hardware
  • Web-Centric Gabuino Has Compiler, Will Travel | Hackaday

    Arguably the biggest advantage of the Arduino platform is its ease of use, especially when compared to what microcontroller development looked like before the introduction of the open source board and its associated software development environment. All you need to do is download the IDE for your platform, plug in your Arduino, and you can have code running on the hardware with just a few clicks.

    But can it get even easier? [Gabriel Valky] certainly thinks so, which is why he’s developed the cloud-based Gabuino platform. As of right now it only supports the DS213 pocket oscilloscope and LA104 logic analyzer, but he says the code is lightweight enough that it should work with any STM32 board that has the appropriate bootloader. Using Gabuino requires no software to be installed on the computer, just plug in the board, and you’re already half way there.

  • Printing In Silicone | Hackaday

    When you think of making something out of silicone, you usually think of using a mold and injecting it with the material. Can you 3D print it? [Kimberly Beckett] answers that very question in a recent post. The short answer is yes, but you need specialized printing equipment.

    Most consumer or hobby printers use either filament deposition or photoresin. Neither of these processes are good for printing silicone. For one thing, silicone doesn’t melt and reform like a thermoplastic. After all, that is why we like making hotend socks and oven utensils with the material. If you do melt silicone, you get a gooey mess, not a nice fluid you can push through an extruder nozzle. As for resin printing, silicone is resistant to UV so the chances of coming up with UV curable silicone are pretty small.

    So how do you print silicone? There are a few methods. Aceo is a technique that is sort of like an inkjet. It deposits a solution of silicone and a binder that activates on exposure to UV. After placing a layer, a UV light activates the binder and you repeat for the next layer. There is also a technique for drawing a layer of silicone liquid and then curing it with a halogen lamp.

  • Another DPS5005 Alternative Firmware | Hackaday

    The firmware has some interesting features, such as programmable pre-sets intended for battery charging applications. In fact, there is a dedicated battery charge mode screen. We want to warn, however, that charging lithium ion batteries with this might not be at all wise, not in the least because of a lack of protection hardware in place. It would be very easy to destroy the unit or overheat a battery this way! However, if you must do this, there are a few features to help you out, such as a handy ‘counters’ screen showing approximate charge delivered.

    Remote programmability is, as usual, via the easily hacked in serial port, with firmware support for Bluetooth serial modules if wired USB serial doesn’t suit. For those who like to mount things differently, the screen can be rotated by holding a key on power-up, or if you hook up a MPU6050 accelerometer/gyro module it will even do it automatically!

  • Using 4G LTE wireless modems on a Raspberry Pi

    There doesn't seem to be any good central resource for "4G LTE and Linux" out there, just a thousand posts about the ABC's of getting an Internet connection working through a 4G modem—but with precious little explanation about why or how it works. (Or why someone should care about random terms like PPP, ECM, QMI, or MBIM, or why someone would choose qmi_wwan over cdc_ether, or ... I could go on).

    Hopefully you can learn something from my notes. Or point out places where I'm glaringly wrong Smile

  • GNU Linux hardware reviews – something between tablet and notebook: the Lenovo Ideapad MIIX 510 12ISK – Can it Debian? – yes it can (Debian 11 out of the box Debian 10 rfkill reports hardblocked wlan)
»

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