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Discussion in 'General Electronics Discussion' started by Raja Vigneshwaran, Oct 18, 2016.

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  1. Raja Vigneshwaran

    Raja Vigneshwaran

    15
    0
    Oct 18, 2016
    I am constructing a Home Automation using ESP8266 Wifi Module and making a relay circuit on my own .
    But I am getting problem with the switching process in relay
    I used BC107 transistor but it doesnt get required Current to switch ON and
    I used IRF840 N Channel MOSFET but it requires Negative voltage to Turn OFF.

    The output from my ESP Module is 3.2Volt and 30 Amps .
     
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