E-Paper UI Design Forced Me to Treat Refreshes as a Resource
A slow monochrome display changes interaction design: information hierarchy matters more than animation.
embedded
Watchdogs Are Useful Only After the Firmware Has a Recovery Story
Resetting a stuck device is not the same as fixing it; watchdog design needs crash evidence and bounded recovery behavior.
The Edge Voice Device Architecture Finally Connected Firmware, SIP and Backend Work
By the end of the year the interesting problem was no longer a codec or PBX; it was the boundary between device identity, firmware, SIP and backend control.
My ESP32 Wi-Fi Lab Started with Reconnects, Not Features
An embedded network client is only useful if it survives AP loss, DHCP renewal and reconnect loops without wedging the application.