Product, home automation and the occasional deep dive.https://martijnrusschen.nl/https://martijnrusschen.nl/feeding-solar-data-into-a-nibe-heat-pump-with-home-assistant/https://martijnrusschen.nl/feeding-solar-data-into-a-nibe-heat-pump-with-home-assistant/NIBE wants a €400 EME 20 module to read your solar inverter. I made Home Assistant pretend to be a SunSpec inverter instead, complete with grid meter and home battery.Wed, 28 Oct 2026 00:00:00 GMThttps://martijnrusschen.nl/teaching-my-daikin-acs-to-cool-the-room-not-the-unit/https://martijnrusschen.nl/teaching-my-daikin-acs-to-cool-the-room-not-the-unit/Daikin units regulate on their own sensor near the ceiling, so rooms never quite reach the temperature you asked for. Home Assistant now steers the setpoint from a real room sensor, and since autumn it also picks heating, cooling or off per room.Wed, 28 Oct 2026 00:00:00 GMThttps://martijnrusschen.nl/monitoring-imbalance-prices-with-home-assistant/https://martijnrusschen.nl/monitoring-imbalance-prices-with-home-assistant/With the rise of home batteries trading on the imbalance market and solar panel features like Zonneplan’s PowerPlay, there’s growing interest in understanding how imbalance prices fluctuate throughout the day.Sun, 30 Jun 2024 00:00:00 GMThttps://martijnrusschen.nl/uploading-your-gas-meter-to-mindergas-nl-with-home-assistant/https://martijnrusschen.nl/uploading-your-gas-meter-to-mindergas-nl-with-home-assistant/MinderGas.nl is a popular tool to get more insight into your gas usage.Sun, 03 Jan 2021 00:00:00 GMThttps://martijnrusschen.nl/environment-is-everything-and-other-tips-for-your-open-source-project/https://martijnrusschen.nl/environment-is-everything-and-other-tips-for-your-open-source-project/In 2014, HackerOne launched their first open source project and two years in, we have 50 contributors, received almost 700 stars on GitHub, and are getting daily issues and pull requests.Fri, 13 May 2016 00:00:00 GMThttps://martijnrusschen.nl/how-to-secure-your-wordpress-website/https://martijnrusschen.nl/how-to-secure-your-wordpress-website/Last year, HackerOne ran an experiment with a WordPress website. WordPress is a powerful platform with many options, including how you approach security.Fri, 13 May 2016 00:00:00 GMThttps://martijnrusschen.nl/nieuwe-startup-vind-een-ambassadeur/https://martijnrusschen.nl/nieuwe-startup-vind-een-ambassadeur/Heb je een goed idee of ben je net begonnen met je startup? Misschien is het dan een tijd om een ambassadeur te gaan zoeken die jouw idee kan verkopen aan het publiek.Sat, 10 Oct 2015 00:00:00 GMThttps://martijnrusschen.nl/youre-the-product/https://martijnrusschen.nl/youre-the-product/Laatst kwam ik de volgende quote tegen op Twitter: If you’re not paying for the product then you are the product. Een product waar je zelf het product bent?Sat, 10 Oct 2015 00:00:00 GMThttps://martijnrusschen.nl/the-annotated-web/https://martijnrusschen.nl/the-annotated-web/Recently, MG Siegler of TechCrunch wrote about the 75-20-5 percentage rule: the observation that 75 percent of what you read in the tech press is somewhat accurate, 20 percent is complete bullshit, and 5 percent is actually true.Sat, 24 Aug 2013 00:00:00 GMT