Comments on: Humidity sensor circuit using the 555 timer https://electronicsarea.com/humidity-sensor-circuit-using-the-555-timer/ Electrical and Electronics Tutorials and Circuits Fri, 29 Dec 2023 18:22:51 +0000 hourly 1 https://wordpress.org/?v=4.9.25 By: Marcel https://electronicsarea.com/humidity-sensor-circuit-using-the-555-timer/#comment-7288 Sat, 10 Jun 2017 00:57:01 +0000 http://electronicsarea.com/?p=2431#comment-7288 Hi Alex

I already made the corrections to the article, I hope it is understood well now, R4 is the resistance of the ground under test.

Thank You. Regards

]]> By: Alex https://electronicsarea.com/humidity-sensor-circuit-using-the-555-timer/#comment-7268 Fri, 09 Jun 2017 10:13:21 +0000 http://electronicsarea.com/?p=2431#comment-7268 In the diagram of humidity sensor, R2 is clearly shown whereas it is mentioned that R2 is not shown! . Please clarify this.

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