u/FarmerKnight

Image 1 — How to change voltage of universal laptop power supply/charger?
Image 2 — How to change voltage of universal laptop power supply/charger?
Image 3 — How to change voltage of universal laptop power supply/charger?
Image 4 — How to change voltage of universal laptop power supply/charger?

How to change voltage of universal laptop power supply/charger?

I have this Kensington power adapter that changes voltage based off which plug you attach to the end of the cable. I checked all the plugs and they ranged from 16.8v to 24v. I need to power something using 15v, so I need to know how I can lower the voltage. The specs on the back of the adapter says it can output between 15-24v.

Thanks in advance!

u/FarmerKnight — 8 days ago
▲ 0 r/wiiu

Will a Wii U still work on a lower wattage power supply?

Hi, I have the option to buy a Wii U for a very cheap price. The problem is, it doesn't come with a power supply. However, I have a non-nintendo power supply that is rated at 15v 4amps (60 watts), compared to the Wii U's power supply rated at 15v 5amps (75 watts). I looked at some USB-C mods and apparently you only need a 15v 45w charger to power the Wii U via USB-C.

So, will a lower wattage power supply work with the Wii U (assuming I solder in the right connector), and if it does, do I have to worry about it harming the console?

Thanks!

reddit.com
u/FarmerKnight — 9 days ago

Hi! I'm considering buying a Gameboy Advance (non SP) or maybe even an OG Gameboy for the sole purpose of using it outside. I've heard these models have reflective displays, so they can look really good when used in sunlight. The problem is, I'm having a hard time finding pictures of what the screen looks like in direct sunlight. I only found one or two bad photos on google.

So, I have two questions:

  • How good does the GBA screen look on bright summer days in direct sunlight? Is it playable and do the colors look good?
  • Do the black and white Gameboy screens look better in sunlight compared to GBC and GBA?

Thanks!

reddit.com
u/FarmerKnight — 17 days ago

I'm working on a project that involves powering 6 of these 300w LED panels, and I have a few questions since I am a novice.

Link to LED: https://www.aliexpress.us/item/3256802960153368.html?gatewayAdapt=glo2usa4itemAdapt#nav-description

- What's the best way to control the brightness of the LEDs so they all dim the same amount at the same time? A quick google search suggests either a voltage regulator, resistor, or PWM. I assume a voltage regulator would be the best option, but where can I find one that is rated for this amount of current?

- Is it best to wire all 6 panels up to thick wires in parallel? Would I need 1 AWG wire for this? 2000w/12v = 166 amps?

- If my math is correct 6x(300w) = 1800w. So, would a 2000w PC/server power supply work?

Thanks in advance!

u/FarmerKnight — 23 days ago