Dht22

last modified: October 23, 2025

Data Logger – Sensor Limits

Posted on 2015-09-01— Projects

I fixed a timing bug and logged AM2302 (DHT22) readings every 10 seconds until memory filled. The data revealed temperature precision limits (0.1°C) and jitter that causes humidity jumps. I walk through the patterns, implications for real‑time displays, and link the CSV/Excel—please read the full post for details.

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