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VKG-04 · Personal Systems ProcessorDatasheet · Rev 30.1

Part no. VKG-04-RED · QFN-28 · Rev 30.1

Personal Systems Processor

Backend systems, quiet interfaces.

Software engineer focused on distributed backend systems, security and developer tooling on GCP, with a growing interest in small, efficient AI models. This is where I keep what I'm building and thinking about.

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FIRMWAREv30.1.0
VCCGNDOVERVIEWP1PHOTOP4CLKRXWORKP2BLOGP5RSTSDALABP3FORUMP6TXVKG-04vije.sh2641 · RED · e3D1
UART0 · /dev/ttyVKG0115200 8N1
1Features
  • Software engineer first: 8 yrs of distributed backend systems, security and tooling
  • Part-time sysadmin, full-time Kubernetes wizard: clusters, meshes, servers
  • MSc ML & AI, with a soft spot for small, efficient models
  • Native support for Node.js, React, GCP, Istio, Godot
  • Custom firmware and hardware: microcontrollers, sensors, robots
  • Integrated camera, motorcycle and one very good dog
Typical applications
  • Platform engineering and API gateways
  • Clusters that heal themselves
  • Access control you can audit
  • Local AI on modest hardware
  • Things that blink, beep or launch
2Cluster
kubectl get pods -w
Software engineer by title, sysadmin by habit. This cluster heals itself: click a pod to kill it, drain a node or scale the deployment, and watch it reconcile.
deployment/vije-web
6
node-aReady
node-bReady
node-cReady
0/6 ready · 0 pending · restarts 0 · 3/3 nodes schedulable
3Live telemetry
Pick feeds · all 19 →
LF-01STANDBY · wheretheiss.at
ISS, live
drag to rotate
LAT—
LON—
ALT KM—
KM/H—
LF-02STANDBY · thespacedevs.com
Launch manifest
LF-03STANDBY · news.ycombinator.com
Downlink: Hacker News
4Peripherals
Outside work
GFXGodot 4
Game design
Saltbound, a 2D top-down pirate action RPG I'm building in Godot.
GPIOESP32-C3
Hardware
A local wake-word detector on an ESP32-C3 that triggers an Echo Dot.
NPUint4 / ternary
Local AI
Running small, heavily compressed models on my own machine and measuring what they can do.
GPUnext upgrade
PC gaming
Tuning a gaming rig and weighing the next GPU upgrade.
RTCReal-time clock · 32.768 kHz
Always on time
XTAL · 32.768 kHz
Keeps time while everything else sleeps. Career uptime counts from the first commit in 2017.
CAREER UPTIME—
THIS SESSION0 s
TIMEZONE—
5Latest application notes
All notes →
No application notes published yet.
6Absolute maximum ratings
TA = 25 °C unless noted
ParameterSymbolMinTypMaxUnit
Coffee intakeIcoffee135cups/day
Dog walksNwalk23—per day
Motorcycle lean angleθlean02545°
Build-to-flash latencytflash—940s
Open browser tabsNtab1248∞—
Altitude (ambition)h0—100km
Stresses beyond these ratings may cause permanent damage. 100 km is the Kármán line; still working on it.
vije.sh · VKG-04 datasheetPage 1 of 7