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@sean@scoat.es
2025-12-02 02:50:55

The #Embedded #Swift (ESP32) powered Christmas Tree v2025 is live.
(The light strands are also ESP32-powered; via #WLED )

A lit and decorated Christmas tree, with a “star” tree topper (a 16x16 customizable panel; that’s the Swift-powered part).
@chrysn@chaos.social
2026-02-02 05:26:14

I appreciate how #DeutscheBahn makes working on a train easy for #embedded development.

View in a train on the next seat. A blue development kit (Nordic nRF54LM20) rests on a fold-out shelf with an arresting latch that is suitably sized for the roughly phone-sized board.
@cyrevolt@mastodon.social
2025-11-09 17:22:06

Tiago Manczak from Infineon gave a nice overview of #Rust tooling for safety-critical projects at the first #MunichEmbedded meetup - very useful, not only for #embedded development, but also other …

@chrysn@chaos.social
2025-12-12 00:58:22

We're gathering momentum for slipmux, a transport of #CoAP over serial ports. That specification allows #embedded developers on simple boards that just have a UART to use the same tools with it as for talking to devices across the Internet. This includes security: I guess I just sent the first encrypted…

Two overlaid terminal sessions: $ aiocoap-client coap://ttyacm0.dev.alt/.well-known/core --credentials client.diag # application/link-format content was re-formatted <>; ct=0; title="Landing page", </time>; ct=0; title=Clock, </poem>; sz=1338, </cbor>; ct=60, </stdout>; if="tag:riot-os.org,2021:ser-out" $ followed by a debug log that shows: [DEBUG] Peer indicated use of the one preconfigured key by KID. (coapcore coapcore/src/seccfg.rs:382) [DEBUG] Processing 19 bytes at start of message int…