Relay interface to microcontroller by ULN 2003
4:44
Added: 1 year ago
From: milabut
Views: 8,211
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  • what software ur using ???

    engineerdcet 1 month ago

  • is this called negative logic? can we use +24Vdc as a control voltage instead of +12Vdc in this IC?

    chinaeyesrocks 2 months ago

  • You may be the blessed one to understand things faster.But majority need slow explanation.

    milabut 3 months ago

  • please increase your lecture speed sir, its so slow...

    

    peternortan 3 months ago

  • you can use uln2003 three nos interfaced to 8051 microcontroller 21 pins so that you can operate 21 relays

    milabut 6 months ago

  • i want to switch 20 relays, what controller i should use?? plz

    fazannaseem 6 months ago

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