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Devices: Raspberry Pi 4, Nintendo Game Boy Color

Submitted by Roy Schestowitz on Monday 4th of May 2020 09:25:57 AM Filed under
Hardware
  • Argon One Case Brings All Raspberry Pi 4 Connectors on One Side

    Due to its small size, the Raspberry Pi 4 board has Ethernet and USB ports on one side, and micro HDMI ports, AV port, and USB-C port on another side. This may not be an issue for most people, but having all ports on one side may make cable management easier.

    Argon One case for Raspberry Pi 4 makes that feat possible thanks to an adapter board that brings HDMI and AV ports on the left side of the USB ports, and an extra power expansion board does the same for the USB-C port plus adds a power button.

  • Pi-oT ESP Module Leverages ESP32, Screw Terminals for IoT & Automation (Crowdfunding)

    Last year, we covered Pi-oT Raspberry Pi add-on board designed for commercial and industrial IoT applications with five SPDT relays and eight analog outputs housed in a DIN rail enclosure, although some noted it may not be suitable for all industrial applications due to the lack of 24V DC input and protected outputs.

    • Reverse-engineering the audio chip in the Nintendo Game Boy Color

    The Nintendo Game Boy Color is a handheld game console that was released in 1998. It uses an audio amplifier chip to drive the internal speaker or stereo headphones. In this blog post, I reverse-engineer this chip from die photos and explain how it works.1 It's essentially three power op-amps with some interesting circuitry inside.

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