While the software’s active development slowed after 2021, Version 2.11 is still functional on older Windows systems and Excel versions (2007-2019). Users on Excel 365 or Windows 11 may require additional tweaks, covered in the troubleshooting section.
The 2021 update wasn’t from Parallax Inc. (the original creator), but from an open‑source maintainer known as “Netman” on the Arduino forums. He quietly released v2.11 as a ZIP file with: Plx-daq Version 2.11 Download -2021-
Downloading in 2021 represented the peak of simple, accessible data logging. Although newer tools have emerged, this version’s lightweight design, macro stability, and direct Excel integration make it an enduring solution for thousands of makers and engineers. While the software’s active development slowed after 2021,
This version significantly expanded the capabilities of the original Parallax tool, making it a staple for Arduino and microcontroller enthusiasts. (the original creator), but from an open‑source maintainer
