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  • djsiegfried

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    Az Xbox tápegységgel kapcsolatban ezt találtam: I have xbox power supply 203W, 240V . Arduino+ramps 1.4, MK2b heated.
    All yellow wires connected together (thick and thin one), same blacks, switch on red 5V and blue. Additionally I connected small 10W, 12V halogen bulb to 5V red and one black wires. (as described for ATX power supply)
    Everything work great as long as this bulb is connected. If not it works till first MOSFET switch off, when PID starts working after heating bed to desired temperature. I could see short blink on Xbox LED from green to orange and green again and it resets Arduino.

    Any idea ?
    I replaced MOSFET to IRLB3034PbF but with STB55NF06 I had the same issue. I cut thin black cable and it solved problem. Definitively voltage is not as stable like previously. between 12,2 to 11,6 at maximum load. Previously 11.9 with heating bed and without.
    Thin black and yellow is kind of voltage regulation. I know, it's not answer "why?" but enough for this moment.
    Maybe sth with reverse current. Maybe it would be better to use this regulation. confused smiley Doesn't matter.

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