janbeta, 15 days ago (edited 15 days ago) to apple

New video! In the second part of the series, I'm trying to resurrect the Apple Macintosh Performa 630 Power Supply I found to have lots of leaky capacitors in the previous episode.

YouTube: https://youtu.be/95m79bzZ69A
PeerTube: https://makertube.net/w/7KstbRzmvGwEa8UfeuoMMA

#Apple #Macintosh #Performa #Performa630 #DOSCompatible #Restoration #PowerSupply #Recapping #RetroComputing #VintageComputing

bornach, 19 days ago to Electronics

The DC rails on this failed switching power supply from a wall wort AC adapter, were shorted together. It could be one of 4 components: 2 electrolytic capacitors, a surfacemount ceramic capacitor, or a surfacemount Schottky diode. Started desoldering each one and testing for the short. It cleared when the Schottky diode (SK26) was removed

I don't think I have a high current replacement diode in this form factor.
#electronics #repair #SchottkyDiode

itnewsbot, 3 months ago to random

Parts We Miss: The Mains Transformer - About two decades ago there was a quiet revolution in electronics which went unnot... - https://hackaday.com/2024/02/14/parts-we-miss-the-mains-transformer/ #mainstransformer #originalart #powersupply #transformer #featured #interest #parts

itnewsbot, 4 months ago to random

USB-C Power Supply Pushes Almost 2 kW - When the USB standard was first revealed, a few peripherals here and there adopted... - https://hackaday.com/2024/01/10/usb-c-power-supply-pushes-almost-2-kw/ #peripheralshacks #powerdelivery #powersupply #serverpsu #dcmodule #kilowatt #usb-pd #usb

itnewsbot, 4 months ago to Multicopter

A Deep Dive into Quadcopter Controls - In the old days, building a quadcopter or drone required a lot of hacking together of var... - https://hackaday.com/2024/01/01/a-deep-dive-into-quadcopter-controls/ #powersupply #dronehacks #pidcontrol #quadcopter #control #cornell #design #drone

mlyon0486, 4 months ago to technology

Morning of New Year’s Eve in Kirishima, Kagoshima, Japan. #ResidentialArea #ElectricityPylon #City #Sign #Lane #PowerSupply #Cloud #Technology #morning #nature #fog #kirishima #kagoshima #japan #travel #newyearseve2023 #okinawa_photo_community #tokyocameraclub

itnewsbot, 5 months ago to random

Second Life UPS Mark II: A UPS For Low-Voltage DC Applications - When you have a whole stack of devices and appliances that all have an AC to DC ad... - https://hackaday.com/2023/12/17/second-life-ups-mark-ii-a-ups-for-low-voltage-dc-applications/ #batteryhacks #powersupply #how-to #dcups #ups

itnewsbot, 5 months ago to random

Repairing an HP Power Supply - One of the interesting things about living in modern times is that a confluence of... - https://hackaday.com/2023/12/15/repairing-an-hp-power-supply/ #repairhacks #autoranging #powersupply #teardown #hp

thomas, 5 months ago to cs

Cheap Computer PSU Puts On Weight With Box Of Iron | Hackaday

https://hackaday.com/2023/12/12/cheap-computer-psu-puts-on-weight-with-box-of-iron/

🤣👌 Hilarious!

#psu #computer #powerSupply #iron

itnewsbot, 6 months ago to esp32

A Nicer Controller For Cheap Power Supply Modules - These days, you can get all kinds of cheap power supply modules off a variety of o... - https://hackaday.com/2023/10/25/a-nicer-controller-for-cheap-power-supply-modules/ #microcontrollers #webinterface #powersupply #esp32

itnewsbot, 7 months ago to Engineering

USB-C For Hackers: Build Your Own PSU - What if you wanted to build your own USB-C PSU? Good news – it’s easy enough! If y... - https://hackaday.com/2023/10/12/usb-c-for-hackers-build-your-own-psu/ #engineering #powersupply #featured #interest #usb-cpd #skills #design #usbc #diy

itnewsbot, 7 months ago to random

Power Supplies Without Transformers - For one-off projects or prototyping, it’s not too hard to find a wall wart or powe... - https://hackaday.com/2023/09/29/power-supplies-without-transformers/ #transformerless #powersupplies #zerocrossing #powersupply #regulator #voltage #parts #tps

itnewsbot, 8 months ago to DC

Buck Converter Takes 8V to 100V - For those living before the invention of the transistor, the modern world must app... - https://hackaday.com/2023/09/17/buck-converter-has-tremendous-range/ #buckconverter #powersupply #converter #mp9486 #parts #dc-dc #buck #dc

mic, 9 months ago to Electronics

So my speakers broke again, heard the capacitor pop again. Which means the broken capacitor is just a symptom of a different malfunctioning component.

Time to pull up the power supply schematics and determine (guess) what's causing the capacitor to blow :blobcatSadPats:

#repair #electronics #fix #engineering #powersupply

AnnaKukka, 9 months ago to photography German

Kopf hoch!

#photography #clouds #powersupply

peter, 10 months ago to 8bit

This is something I've not seen before, not even heard a rumor of it being done.

A replacement power supply for the BBC Micro - using USB-C !

Not affiliated with them but never seen this before https://www.ebay.co.uk/itm/364356212896

#bbcMicro #PowerSupply

eyesquash, 10 months ago to guitar

I can't tell whether the new power supply helps.
8 outlets for 12 pedals - the gain pedals, the flanger, and the analog delay are daisy-chained.
#guitar #pedalboard

itnewsbot, 10 months ago to hardware

AC-DC Converter is Reliable, Safe, and Efficient - When first starting an electronics project, it’s not uncommon to dive right in to ... - https://hackaday.com/2023/07/12/ac-dc-converter-is-reliable-safe-and-efficient/ #switched-modepowersupply #flybackconverter #switchedmode #powersupply #transformer #hardware #flyback #smps

itnewsbot, 10 months ago to random

Tearing Down and Improving a Professional Power Supply - [OZ2CPU] has an HP power supply that is about 30 years old. It looks brand new, th... - https://hackaday.com/2023/07/11/tearing-down-and-improving-a-professional-power-supply/ #repairhacks #powersupply #teardown #hp

itnewsbot, 1 year ago to random

High Voltage Power Supply From USB - Those who work in different spaces may have different definitions of the term “hig... - https://hackaday.com/2023/04/30/high-voltage-power-supply-from-usb/ #electrophoresis #electrowetting #highvoltage #measurement #powersupply #isolation #safety #300v #usb #dc