The Desk of Ladyada – All American Audio BFF & MatrixPortal
Happy Birthday USA, this weekend we’re engaged on a couple of prototypes to wrap up. First up, as American as apple pie is an Audio BFF with I2S + Micro SD card socket, mainly its a mash-up of our I2S BFF (https://www.adafruit.com/product/5770) and microSD BFF (https://www.adafruit.com/product/5683). Originally we put this board collectively to check out our Toy Hacker design with an ESP32-S2 QT Py (https://blog.adafruit.com/2023/02/13/my-little-hacker-making-an-mvp-minimum-viable-player-for-the-baby-einstein-take-along-tunes-hack/). Speaking of which, now we have a brand new design coming shortly: ESP32-S3 QT Py with PSRAM! We’ve additionally obtained an ESP32-S3 model of the Matrix Portal (https://www.adafruit.com/product/4745) – we’re slowly however absolutely attempting to de-SAMD51’ify our product line since that chip has a 2024 ETA. Finally we’re testing out prototypes of a brand new Metro RP2040, whereas the ‘traditional Arduino form’ just isn’t as well-liked today with dev boards because it was once, we just like the roomy format, with heaps of socket headers, and many of area for equipment like a MicroSD card socket, SWD debug port, Stemma QT, and 12V DC energy port.
The Great Search – 5.5mm / 2.1mm DC Power Jack
https://www.digikey.com/short/bwwn4pvt
For our new Metro RP2040 design, we’re ensuring that the board may be powered by both USB Type C 5V, or DC wall adapters. While it is common to have 5V USB energy nearly in all places, DC energy remains to be helpful for once you need 12V to additionally drive a motor or LED strip. In such instances, we’ll use a 5.5 / 2.1mm DC jack to permit probably the most-widespread-sized plugs to work. These jacks are available a couple of widespread configurations, and have completely different energy rankings and utilization instances – although all of them look the identical! We’ll discover a couple of good choices and chat about what to look out for.
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