Soldering pot mod

I bought this cheap soldering pot from aliexpress: https://www.aliexpress.com/item/32886038760.html?spm=a2g0s.12269583.0.0.4a9679ccLu6iGB Pictures showed a grounded cable, but the one I got didn't have that. This would be illegal in Sweden I think: This is how it looks inside,…

THAT 2159 VCA

I salvadged 32 units of THAT2159 VCA chips from an old Behringer digital mixer. Been planning to build Eurorack VCA's from them and successfully breadboarded a very simple design based on the datasheet and the GMSN Pure VCA (that uses 2181 if I recall correctly). So I this…

Letsencrypt on GKE with multiple domains

I've been using LetEncrypt on GKE via cert-manager based on this tutorial https://github.com/ahmetb/gke-letsencrypt/ I've had some issues though that the Ingress for some reason stops serving my apps at times because of this cert-manager. I never really figured it out, but sometimes…

For next time the Samsung WiFi printer fails…

So… every six months or so my Samsung Wifi printer refuses to print. OSX loses the connection. I need to do some magic combination of reinstallation of the printer in OSX to make it work. This last time nothing seemed to work but finally I did this: * removed reserved IP…

Dual rail lab PSU

Been running my modular synth experimenting from a Doepfer case standing at my desk: A bit messy and I wanted something smaller to use anywhere and with less space. So, took the MFOS wall wart one a bit modified to the components I had at hand. Have been waiting for…

Raspberry Pi audio player with buttons

* Get latest raspian image wget https://downloads.raspberrypi.org/raspbian_lite_latest * unzip * Mount sd and write it out: > diskutil list … dev/disk2 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: FDisk_partition_scheme *15.9 GB disk2 1: Windows_FAT_32 NO NAME 15.9 GB disk2s1 ……

Irritating OSX Sierra keyboard behaviour

I just connected an old Microsoft Ergo 4000 keyboard to my MBP. I got the setup question to press the key next to left shift. Then I switched alt/windows option/command so it's the same as on the built in laptop keyboard and thought that was it.…

Plex

I use this image: https://github.com/wernight/docker-plex-media-server This is my setup: sudo docker compose-up -d /var/lib/plex-config is my NAS share for the persisted plex settings that goes into /config in the container. First run, I need to set up graphically so I created a tunnel for…