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Selectable Direct/PWM Control Box – 3D printable model from MakerWorld MakerWorld
Electronics

Selectable Direct/PWM Control Box

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I've got a nice programmable power supply for my projects, however I wanted to be able to easily use it as a power source for working with my light boxes and other things. Since some of my projects are simply dimmable LEDs or fans or other constant-current PWM-controlled devices - but others are little SoC controllers (like ESP32/D1 Mini) - I wanted to also be able to send non-PWM power. My requirements:Able to isolate from the power supply with an indicator light to it's status.Works with a wide range of voltages (namely 5-12v).Select from straight or PWM power with a switch.Would have a USB-A and 5.5x2.1 DC jack on the front.Would have two fixed cables out the back with USB-C and a 5.5x2.1 male jack.Wouldn't be a nightmare to work in.Would print strong with minimal use of supports.This is what I came up with.When the unit has power and is off, the power switch glows red indicating it is receiving power.Flip it on and it glows green. If the DPDT switch is pointing to the master switch
Category
Electronics
Source
MakerWorld
Published
Updated
What you need to print this: Beginner Low confidence
Single piece
Supports 1/3
Assembly 0/3
Settings 1/3
Bed size 0/3
Post-process 0/3
Printer
FDM / FFF
File format
STL
Material
Software
Cura, PrusaSlicer, or similar
Same designer, more platforms

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