#sega #retrogaming #adafruit #ugreen #meanwell

This is part 2 of the Sega Master System series and if you remember I had to replace that rubbish cheap PSU that was causing all the interference. At the start I ordered the Mean Well 9v PSU from ebay and I was confident that would be a good choice and also a polarity inverter so it would work on the SMS. Then the same night I was searching I saw the video from LTT Linus Tech Tips talking about this very subject and it was black friday so I ordered the UGreen Nexode charger and the adafruit power delivery USB-C leads.

The way this works is the Nexode charger supports power delivery protocols and can be told what voltage to output from the USB-C device like a laptop, but in this case the Adafruit lead has a chip in the lead to tell the PSU to output a set voltage like 9V or 12V. Depending on the specs of your PSU you might have something already just like I had the charger from my Pixel 3A mobile, that only supports 5v and 9v, but it would have made a great choice for the SMS if I decided not to order the Nexode. I will get good use out of that charging my studio equipment so money well spent.

If you like what I am doing consider joining my Patreon.   / leesmithsworkshop  

Links to the items used in the video , some are amazon affiliate links so it helps the channel if you can use them.
replacement switches https://amzn.to/3Y8WE01
USB-C monitor: https://amzn.to/3VXkbPu
5V USB to Barrel Jack: https://amzn.to/3F9stwR
UGreen Nexode 65W charger: https://amzn.to/3ha2AVO
Adafruit USB-C 9v and 12v leads: https://www.adafruit.com/product/5449
Uk stock https://shop.pimoroni.com/products/us...
Polarity inverter https://www.ebay.co.uk/itm/4039502149...

Mean Well PSU : https://www.ebay.co.uk/itm/2553863707...

Tools I use

Engineer SS-02 Desolder Pump : https://amzn.to/3U0dQ4l
replacement tubes for Engineer desolder pump : https://amzn.to/3i41Q4x
MG Chemicals Desolder braid : https://amzn.to/3i41Q4x
Andonstar Microscope : https://amzn.to/3XsBSIn
Flux rosin liquid with brush - TK83: https://amzn.to/3Bibo2N
70% IPA in spray bottle -: https://amzn.to/3P81ztX
99% IPA in spray bottle: https://amzn.to/3Y4XzhV

00:00 Intro
00:40 Testing the cheap nasty PSU
02:10 Testing the Mean Well 9V PSU
03:22 Testing with a Pixel 3 USB-C charger and the Adafruit 9v leads.
04:30 Testing with the Ugreen PSU
04:40 Another look at the Mechanical ZX Spectrum