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Forum Index : Microcontroller and PC projects : DIY ESP32 Weather Station, Anyone Here Run One Long-Term?
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| Aria James Newbie  Joined: 16/10/2025 Location: BoliviaPosts: 1 |
Has anyone here built a small weather station with an ESP32 (or similar) and kept it running for months? I found this web-server based weather monitoring guide https://www.theengineeringprojects.com/2022/04/web-server-based-weather-monitoring-system-using-esp32.html and it looks like a straightforward way to measure temperature, humidity and pressure and publish the data. I’ve also seen tutorials on interfacing DHT sensors and publishing to ThingSpeak, and posts about using Server-Sent Events to push live readings to a browser — so there are plenty of starting points (DHT11 → ThingSpeak, SSE with DHT11). I’m mainly curious about practical concerns: power (battery vs mains), enclosures for rain/UV, sensor calibration, and how reliable these setups are over time. Any BackShed members got a long-running ESP32 weather build to share lessons from? Edited 2025-10-17 04:10 by Aria James |
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Mixtel90 Guru  Joined: 05/10/2019 Location: United KingdomPosts: 8207 |
Hi, and welcome to the 'shed! :) The DHT11 isn't really suitable for use over a long period. You have to keep removing it and refreshing it - if you can keep it working at all. Not good accuracy either. Something like the HtU21 is far better, I understand. ESP32 - I'm not a fan to be honest. My feeble brain has interface problems with them. lol Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| Volhout Guru Joined: 05/03/2018 Location: NetherlandsPosts: 5356 |
No experience, But a WIFI based system is not very suitedeur for battery use. If you run it of AA cells you deplete them in 48 hours. So plan a car battery if you need to run Months. Volhout PicomiteVGA PETSCII ROBOTS |
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| grumpyoldgeek Newbie Joined: 30/07/2018 Location: United StatesPosts: 37 |
It sorta depends on what a "weather station" means to you. I used to install, calibrate and inspect airport AWOS weather stations. They cost tens of thousands of dollars and required an inspection every 3 months and a detailed calibration yearly. |
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