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SOLVED Powering Pi Zero W & WS2812B LEDs through TV USB

Discussion in 'LED Devices Support' started by Mike.leb140, 21 April 2019.

  1. Mike.leb140

    Mike.leb140 New Member

    Messages:
    16
    Hardware:
    RPi1/Zero
    Would it be possible to power the Pi & LED strip using the 5V USB port on most TVs?

    I am hoping to power the Pi Zero W through its mini USB port to the TV's USB port, then solder pins 2 & 6 (5V and Ground) to the RGB LED strip.

    Would the TV be able to power the Pi Zero W along with the USB Video Grabber and other connected components along with the WS2812B 60 LEDs/m strip on a 65" TV?

    Thanks in advance!
     
  2. Arakon

    Arakon Member

    Messages:
    139
    Hardware:
    RPi1/Zero, RPi3, +Arduino
    Not even remotely. The USB Port can output something around 500mAh (that's 0.5A), the Pi alone needs 1.5-2A to even start up and run properly, the LED strip will need between 10 and 18A.
    Also, the 5V traces on the pi board can only handle an amp or two at best, so they'd literally go up in smoke if you tried to power anything bigger through them.