Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

Of course. GPIO is the simplest way to get a blinky light.

Seriously though, we used a GPIO pin to stroke the watchdog.



Consider applying for YC's Winter 2027 batch! Applications are open till November 2.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: