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A project log for SAO Lora Walkie Talkie

SAO that adds Lora Communication

jeremygeppertjeremy.geppert 09/26/2024 at 12:130 Comments

I ended up learning the finer points of making a custom symbol and footprint in Kicad. I took the struggle bus to this class though. I modified a foot print and symbol for a right angle 0.10" spaced socket that will hold the Reyax Lora module. I wanted that to have a properly identified ground pin/pad and labels on the board in case someone decided to use a different module and for my sanity. Also, the courtyard silk screen for the footprint I started with intruded on the pads for the switch. It's all good now.

I eliminated the cutout on the antenna portion of the board. It was going to be very thin. I added a silk screen antenna symbol instead. This will provide good protection for the antenna on the LoRa module.

Last thing is to add a power LED. I'm leaning towards the trick of shining through the exposed FR4 with a surface mount LED but I haven't ruled out a traditional through hole mini LED.

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