Reading my electricity meter over the air using CC1101
Pulling electricity meter readings into HomeAssistant
Moving cloud storage to my desk (finally)
Showcase of current self-hosting progress
My adventure with space and racing sim rig
To build something what few years ago seemed difficult
From YAML to pixels - building the Vectra C dashboard
The last post ended with a YAML file and me saying the
Making sense of the noise - decoding LS-CAN frames
Where we left off
At the end of the previous post we
Reverse engineering CAN network - eavesdropping on my car
Reverse-engineering a car internal CAN networks using modern ESP32-P4 hardware.
Building a round LED clock from scratch: The art of unnecessary complexity
Overcomplicating things at its finest...
Turn your serial port into a hardware monitor: reading dry contacts
Don't want to design or buy whole device for reading relay state? You can use RS232 port or converter with some soldering.
KubiSat firmware architecture
How the KubiSat firmware is structured on the dual-core RP2040 - boot sequence, framed text protocol over LoRa and UART, system state, power, events, telemetry, sensors, RTC and GPS.
Frontier Companion is officially available on the Google Play Store!
Official Google Play release is live and ready to download!
KubiSat hardware: building a 1U CubeSat model from discrete components
A walkthrough of the electronics inside KubiSat - a 1U CubeSat model designed for a stratospheric balloon flight. Three PCBs, lithium-ion power with MPPT solar charging, an RP2040 controller, LoRa radio, GPS, RTC, SD storage and a small sensor array.
The autopsy of a Kemppi Minarc 200 evo: When "obsolete" is the final verdict
Sometimes things can't be fixed (at least easy way)