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[Others] What is the role of the transistor in the circuit using PWM signal?

11answers

[Others] Can I use a transistor as a relay?

I have a hardware component that requires 5V and 300mA to work. The Arduino output current of the Pins is 50mA, to the best of my knowledge. Only 40mA for 5V Pins.My idea was to use the 5V and 2A of a...
2answers

[Others] What transistor should I use for 3.3v base-emitter voltage? (new to electronic)

I have a ton of LEDs from a flashlight that need 4.5-5V to turn on, and I want to control them with my Raspberry Pi 3.3v pins (The 5v pins are already in use). It looks like I need an NPN transistor, ...
  • answered Jul 16,2020
    by Joson
4answers

[Others] What could I use as a replacement for this 80's PNP transistor?

Hi everyone, I wondered what could I use as a replacement for this 80's PNP transistor?It's part of a H bridge for a record player direct drive motor from a sony PS-LX500. Thank...
  • answered Jul 02,2020
    by Andrew
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