Circadian lighting with IKEA TRADFRI lightbulbs and Home Assistant

DezeStijn • Jan 18, 2021 • 8 mins read

Home Automation

Getting a better night’s sleep thanks to circadian lighting with IKEA TRÅDFRI bulbs and Home Assistant (and Shelly).

Room temperature monitoring using Xiaomi temperature sensor, ESP32 and ESPHome

DezeStijn • Jan 12, 2021 (May 18, 2021) • 15 mins read

Home Automation

Monitoring room temperature and humidity using cheap Xiaomi sensors, a ESP32 board and ESPHome. Tutorial for LYWSD03MMC, LYWSDCGQ, CGG1 and LYWSD02.

Force update/downgrade Shelly firmware

DezeStijn • Nov 25, 2020 • 2 mins read

Ever needed to rollback/downgrade a Shelly device or need to force update a Shelly to a specific firmware version? Use Shelly Firmware Archive Link Generator!

Adding Xiaomi Aqara Door and Window Sensor to HA via deCONZ (ConBee II)

DezeStijn • Nov 12, 2020 (Jan 26, 2021) • 6 mins read

Home Automation

How-to on adding a Xiaomi Aqara Door and Window Sensor to Home Assistant over Zigbee using the ConBee II and deCONZ

MQTT templates for Shelly devices

DezeStijn • Oct 26, 2020 (Jan 13, 2022) • 19 mins read

Home Automation

Getting started with MQTT, having the correct config is the hardest part. Here I’m sharing my MQTT configs for Shelly devices.

Getting started with MQTT and Home Assistant (and Shelly)

DezeStijn • Oct 12, 2020 (Oct 22, 2020) • 10 mins read

Home Automation

Introducing the use of MQTT within Home Assistant to manage Shelly devices

Garbage Collection Schedule and Notification

DezeStijn • Sep 17, 2020 (Sep 22, 2020) • 5 mins read

Home Automation

Tracking the garbage collection in Home Assistant, including visuals and notifications

Upgrade your SSH keys (to Ed25519)

DezeStijn • Sep 11, 2020 • 5 mins read

Cybersecurity

If you’re still using SSH RSA keys with a short key length, it’s time to upgrade to Ed25519

Intro into Shelly

DezeStijn • Jul 24, 2020 (Nov 6, 2021) • 16 mins read

Join my adventure in the world of home automation, starting with the Shelly devices.

Gitlab unauthenticated group and project enumeration

DezeStijn • Jun 8, 2020 (Dec 19, 2024) • 6 mins read

Cybersecurity

I discovered an information disclosure vulnerability on Gitlab. Responsibly disclosed via HackerOne but was considered out of scope.