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Open Hardware/Modding: Raspberry Pi, Arduino, and More

Submitted by Roy Schestowitz on Thursday 13th of January 2022 05:10:57 AM Filed under
Hardware
  • Raspberry Pi CM4 Nano industrial mini PC supports wide temperature range, 12-18V DC input - CNX Software

    If you ever wanted a mini PC similar to Raspberry Pi 4 but working within a wider temperature range and supply voltage, as well as a few extra features, the Raspberry Pi CM4 Nano industrial mini PC with a metal enclosure might be worth looking at.

    Based on the EDATEC CM4 Nano carrier board, the mini PC supports Raspberry Pi CM4 with up to 8GB RAM, 32GB storage, optional WiFi 5 and Bluetooth 5.0, and offers one HDMI port, a flat cable HDMI + Touchscreen connector, Gigabit Ethernet, three USB 3.0 ports and more. It works in settings with -25 to +60°C ambient temperature and offers a 12-18V DC input.

  • Raspberry Pi system can detect viruses on other devices without use of software

    A team of researchers at the Institute of Computer Science and Random Systems has built a non-software-based virus detection system using a Raspberry Pi, an H-field probe and an oscilloscope to detect electromagnetic wave signatures of multiple types of viruses. The team presented its system and test results at last month's ACM Machinery's Annual Computer Security Applications Conference and published a paper describing their system on ACM's Research Article page.

    The idea behind the new system is that running software generates electromagnetic waves. And each piece of software generates its own unique wave patterns due to the way the software executes its code. The researchers took advantage of this knowledge and began using an H-field probe to capture wave patterns of known computer viruses running on various devices and viewed the results on an oscilloscope. They saw oscilloscope patterns that were unique to individual viruses as they were running. The researchers used that information to program a Raspberry Pi to identify data from the other two devices to recognize known virus wave patterns, using the system as a virus detector. To determine if a virus is running on a computer, IoT device or smartphone, a user places the H-field probe close enough to the device to read the electromagnetic waves that are generated. The Raspberry Pi then reports on whether it found any viruses, and if so, which ones. Testing found the system capable of detecting 99.82% of generic malware, along with a benign virus type.

  • Arduino And An OLED Make This Space Invaders Cabinet Tiny | Hackaday

    For as simple as it appears now, Space Invaders was one machine from the Golden Age of video games that always seemed to have a long line waiting for a chance to lose a couple of quarters. And by way of celebrating the seminal game’s influence, [Nick Cranch] has executed what might just be the world’s smallest Space Invaders replica.

    It appears that this started mainly as an exercise in what’s possible with what’s on hand, which included a couple of quite small OLED displays. For the build photos it looks like there’s an Arduino Nano running the show; [Nick] relates that the chosen hardware proved challenging, and that he had to hack the driver library to make it work. Once he got a working game, [Nick] didn’t rest on his laurels. Rather, he went the extra mile and built a miniature cabinet to house everything in.

  • Bitcoin Mining ASICs Repurposed To Keep NTP Server On Track | Hackaday

    They say time is money, but if that’s true, money must also be time. It’s all figurative, of course, but in the case of this NTP server heater powered by Bitcoin mining dongles, money actually does become time.

    This is an example of the lengths to which Network Time Protocol aficionados will go in search of slightly better performance from their NTP servers. [Folkert van Heusden], having heard that thermal stability keeps NTP servers happy, used a picnic cooler as an environmental chamber for his Pi- and GPS-based NTP rig. Heat is added to the chamber thanks to seven Block Erupter ASIC miner dongles, which are turned on by a Python script when a microcontroller sends an MQTT message that the temperature has dropped below the setpoint.

  • OnLogic reveals quartet of Alder Lake systems with up to 14 LAN ports

    OnLogic unveiled a “Karbon 800 Series” of 4x embedded PCs based on Intel’s up to 16-core 12th Gen Alder Lake-S CPUs with up to 64GB RAM and options including PCIe Gen 4 x16, hot-swap SATA, 4G, Wi-Fi 6E, -40 to 70°C, and up to 14 LAN ports.

    OnLogic has announced four Karbon 800 Series embedded computers that run Windows or Linux 20.04 LTS on Intel’s recently announced 12th Gen Alder Lake platform. This is really a pre-announcement as there are relatively few details and the systems will not ship until Q2.

»

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