Reddit mentions of Distributed By MCM Official Raspberry Pi Foundation 5V 2.5A Power Supply White

The CanaKit ones are usually good as a starting point (unless you don't want to buy the components individually, though as another person said, the power supplies that ship with them aren't the greatest.

If you DO want to buy the components individually, however, you only need to get the board itself, an optional case, and the power supply. Here's what I've seen most people use.

• Raspberry Pi 3 B+ (around $35 USD. It's the most powerful iteration of the Raspberry Pi. It might fit your needs, as it can play PS1 games pretty well.
  
• Official Raspberry Pi Power Supply (5V/2.5A)
  
  You could also invest in heatsinks or fans if you want to keep the Pi a bit cooler in temperature. Or, you could also buy a Flirc case, which is around $15 USD, which acts as a giant heatsink. It's one of the more popular cases around here, and for good reason. It's very reasonably priced in my opinion, and it does a good job at keeping the Pi nice and cool, so you don't need a fan.
  
  Speaking of cases, if you want that retro console look, there are some pretty good options, with one of the most well known case makers being Retroflag. They don't come with any form of cooling like heatsinks and fans, so you'll have to provide those separately.
  
  If you are asking about controllers, you can use both wired USB or wireless Bluetooth controllers as well (though you'll need to have at least a USB controller or a keyboard connected to the Pi for the first part of setting it up which will ask you to configure your controls which work across the RetroPie environment (that includes EmulationStation which is used to launch your games, and RetroArch which powers most of the emulators included with the default RetroPie install).
  
  You can read the RetroPie documentation for more information on RetroPie itself too.

I haven't used any handheld pi. I guess there are some good alternatives though.

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NDS with charger. $25 - $40 (I would get the DSi) (DSlite bumpers and things tend to wearout)

A flash cart for NDS. $15 - $20 (DSTT I hear is best) (Acekard2i is great) (R4 is hard to tell the model) (DSTWO flashcart drains battery life, is overpriced, but has built in cpu and emulators for gba snes and genesis) All are compatible with 3ds, NDS, DSi.

MicroSD. $10. Samsung EVO 32gb on amazon is a good deal

The DS has a lot of great games, snes and genesis emulators work okay but not the best. GBA emulation only works with dstwo or ez-flash.

Total $50 - $70.

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PSVITA w/ charger $110 - $150. Never used one, cfw is available for firmware up to 3.68. The firmware 3.69 is not hackable.

Vita Memory Card + microsd $20. Since the proprietary memory card are so expensive.

PSVITA & TV are cfw compatible up to 3.67 - 3.68, however there may be some homebrew incompatibility on these firmwares. 3.69 is not compatible yet. CFW can load PSP homebrew as well as play PS1.

Total $130 - $170

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Wii U complete console $140. Used - Very good

SD card. $15 Sandisk 64gb Extreme SDXC

DS Virtual Console Game $10 From E-shop, needed to play DS on Console/Gamepad screens.

Emulates Nintendo up to DS, has an abandoned PSX emulator from the wii. Portable and Console for TV.

Total $165

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The consoles and handhelds fluctuate in price. PSvita TV was low as $40 at one time, they are a bit inflated right now but collectors items will hold value. Finding one second hand or used for half-price is probable a used PSP is easy to find for $40 but not online.

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RPI $25 - $40 RPI3b+ is what I have connected to my TV. The RPI2 is similar to RPI0 and emulates PSX but not all, as per the RPI3B+. There are many SBCs, I think the OdroidC2 and Tinkerboard and NanoPI M4 are all interesting but I have not used them.

Case + Heatsink and fan $25 - $30 There are other cases Argon One, SuperPI Retroflag, many others, some bundles heatsink and fan are necessary for the rpi3b+. The retroflag controllers are not preferred.

Power Supply $15 or official raspberry pi power supply.

MicroSD $10

Controllers $15 - $35 There are a lot of options here, recycle your PS3 or XBOX360 controller, Buy a corded Ibuffalo Snes, 8bitdo SF30, logitech, retro-bit/retrolink n64. I think only the RPI3B+ and RPI Zero W have bluetooth, else an adapter is needed.

Total $75 - $130

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$50 (zero W + microsd + psu) + all the parts for building a gameboy zero

battery ~15

powerblock ~20

usb teensy ~15

controllermodule ~10

lcd and shield ~30

case ~20?

main buttons ~10?

audio amp and speaker ~10?

extra buttons and switches, wheels ~15?

Total ~$195

Any chance you have an Amazon link? There's one that's "official", but I never know if they can really be trusted, lol

https://smile.amazon.com/Official-Raspberry-Foundation-Power-Supply/dp/B01LCNF8FU/ref=sr_1_5

• Power issues: You'll need to get a better PSU. I recommend the RPiF one. The MediaPi+ says it comes with a 5v 5A, but I don't believe that for a second lol.
  
  
• Lighting Bolt: See power issues, it's a warning for constant undervolting.
  
  
• Bluetooth: If you want to use a dongle, disable onboard BT buy adding this to /boot/config.txt and rebooting:
  
  dtoverlay=pi3-disable-bt
  
  Then go into the bluetooth app and sync your controller. If it's an 8bitdo, don't forget to write a UDEV rule and change the connect method to BOOT.

I never used one before the past few weeks either, and I'm never looking back. The buttons feel great, the Pi responds immediately...my only complaint is that the 1 and 2 shoulder buttons on both sides are a little too close, but that's negligible, you get used to it quick.

Here are my RetroPie details:

• Raspberry Pi 3, Model B+
  
• Argon One Mini Computer case for Raspberry Pi Model B/B+
  
• SanDisk 256GB Ultra MicroSDXC UHS-I Memory Card
  (I know, I went a little overboard)
  
• 8BitDo SN30 Pro Bluetooth Controller
  
• 5V 2.5A Power Supply for Raspberry Pi 3 B B+
  (I've since upgraded to the official one)
  
  Here are all the components together. The thing I love about the case is that it comes with a separate component that puts all of the ports on one side.

https://www.amazon.com/Official-Raspberry-Foundation-Power-Supply/dp/B01LCNF8FU/

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The extra .1V matters. Maybe other 5.1V power supplies might work but I've only used the official one.

i only trust the specs of the official power supply: https://www.amazon.com/Official-Raspberry-Foundation-Power-Supply/dp/B01LCNF8FU

mind you, now that i think about it, my pi froze once exiting kodi also. so maybe it's just kodi :)