Console

OpenBSD 6.7 on PC Engines APU4D4

2020-05-30 900 words, 5 minutes
apu
apu4
bios
console
cu
firmware
flashrom
install
installation
openbsd
pcengines

I just got myself a PC Engines APU4D4. I miss an OpenBSD box providing home services. It’s quite simple to install and run OpenBSD on this machine. And you can even update the BIOS from OpenBSD.

Access Raspberry Pi 3 UART Console on MacOS

2018-07-01 800 words, 4 minutes
console
gpio
macos
raspberry
raspian
serial
ttl
uart
usb

Raspberry Pi can be used with a prepared OS, booted up and just used. But when it comes to customising or doing something else than what was planned, you may need to use the console. And that requires a TTL adapter connected to the GPIO. The thing is, using MacOS is not as straightforward as I thought. So here are my notes.