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Recent content by karg3

  1. K

    Connecting Battery in parallel to measure the current

    Hi All, I have a circuit powered by AAA battery of 1.5 V,1A. I wanted to measure the current consumption in the board. The AAA battery assembly will be not be accessible to measure, so another AAA 1.5V battery in connected in parallel and current is measured across the wire using clamp meter...
  2. K

    [moved] LED control with PWM and Constant current source

    HI All, Below is my schematics , I have 3 dual LEDs drived by the MCU GPIO. There is a separate pwm control added using FET logic. The problem is the brightness of the LED is not sufficient and has to be increased. So as of now I am changing the R value to increase the current since the...
  3. K

    [moved] LED control with PWM and Constant current source

    Hi Everyone, I am using MCU C8051F972-A-GM in my project . I have 6 LEDs in my board connected to the GPIO pins of the MCU. I want to design a circuit for constant current control with supply current in uA(when all LEDs are OFF) and with PWM dimming. I searched for the Constant current LED...

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