Desk of Ladyada - First Bones Board Proto Assembled! DVI Output from RP2040
85This week we finally got our RP2040 Feather DVI prototype PCBs in and got to test them out! Thanks to PaintYourDragon for submitting the 'board definition' to the Philhower RP2040 core (https://github.com/earlephilhower/arduino-pico), we now have a board definition (https://github.com/earlephilhower/arduino-pico/tree/master/variants/adafruit_feather_dvi) and also a library for making graphics with Adafruit GFX compatibility (https://github.com/adafruit/PicoDVI) that works like magic with 640x480 or 800x480 HDMI monitors. Note that its a pixel-doubled 320x240 because we don't have enough RAM for a full 640x480 framebuffer. Still! quite a success, which means we'll be ordering these soon. We have some other Bones boards as well that came in and we can check them out if you come by :)
The Great Search - uFL to SMA cables
https://www.digikey.com/short/bb5bw8pw
Our latest RP2040 Board has an RFM69 or LoRa radio module on it, and to make it easy for folks to use external antennas for good range, we added a uFL connector (https://blog.adafruit.com/2021/11/30/the-great-search-ufl-connector-thegreatsearch-digikey-adafruit-rf-wifi-digikey-adafruit/). These common RF antenna connectors are good for up to 6GHz or so, and are nearly universal. However, for larger antennas such as those for 433MHz or 900MHz signals, we may want to have a large stick antenna which is panel mounted. For those situations we'll want to connect a standard SMA-type antenna! SMA connectors can also be on a PCB but they're pretty big and are not SMT so its common to use a uFL to SMA adapter cable. Where to get those? Why - Digi-Key of course!
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