Control a knob on a Honeywell fan via ESP8266

Discussion in 'Electronic Projects' started by StealthRT, Feb 6, 2017.

  1. StealthRT

    StealthRT

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    Hey all I am wondering what all I would need in order to control this knob on my Honeywell 2-in 1 Air Circulator Fan, HT-9700

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    I am wanting to use a ESP8266 in order to control it via wifi. I know how to do it on that side but I am unsure what's available for the other side (the knob) in order to "turn" the knob or hook into the knob wires.
     
    Last edited: Feb 6, 2017
    StealthRT, Feb 6, 2017
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  2. StealthRT

    Tha fios agaibh VIP Member

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    I don't know what the knob does but you need to know how its wired. If you don't have a diagram, you could disconnect the wiring to the switch and make note of how continuity changes with each wire in each position.
    Then you could have a relay to replicate the switch movement that's driven by your WiFi module. You will need separate control for each switch position.
    Easier yet, just leave the fan switch on and have your module switch the line power to it.
     
    Tha fios agaibh, Feb 14, 2017
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