Software

last modified: October 23, 2025

“Read SGP30” Command-Line Tool

Posted on 2020-12-19— Projects

I published a small command-line tool to read the Sensirion SGP30 air-quality sensor on a Raspberry Pi. I explain usage, options, and how to build and install the C tool so you can get JSON CO2/TVOC output. If it helps, please read the full post for details.

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Data Logger Simple – Software Bugfix

Posted on 2015-08-31— Projects

I noticed my Data Logger Simple was recording identical values every 30 seconds because sleep mode stopped timer1 used by millis(). I fixed this in v1.1 by replacing the DHT timing check with a simpler DHT22-only implementation. Read the full post for details and the v1.1 download.

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