im using a TIP120 NPN to switch my 5v 1.1A solenoid, but my solenoid isnt working unless i give it a little push i think its my resistor problem what value of resistor should i use for my base of transistor.

need help TIP120 NPN

groundFungus April 22, 2018, 11:08am 6

What is supplying power to the solenoid (volts and amps)?

Is it wired like this?
TIP120 solenoid DRIVER.jpg

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