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30 Jul 2019
Test & Tear-down of some chargers. Surprise their crap!
Diagram: https://drive.google.com/file/d/1jIB8KCnGhYhIXZoNSS6GII8ullv5-2L0/view
29 Dec 2018
This Weller PU-1D is about 40 years old
18 Aug 2017
Teardown / Repair of a 'Gaming Audio Series' SP2500 Sub Woofer Box Speaker System.
List of damaged/iffy components:
47uf 25v
22uf 50v
0.47uf 50v?
10uf 50v
15k
220k
1k
4k7
47k
56r (3 watt) x 2
0.22r (3 watt)
10r (smd 1206) x 2
1N4148 diode (smd 1206, similar)
2SA733 pnp transistor (similar)
10NK60ZFP n-type transistor (FP type)
UC3843B ic (SOP-8 type)
4amp Fuse
Glue
This guy found the circuit diagram:
forums.overclockers.com.au/showthread.php?t=1181084#post17398447
Direct-ish PDF Link:
https://www.docdroid.net/fOVzYIb/power-supply.pdf
11 Dec 2016
This little home made 'toy' will recharge non-rechargable batteries.
Main Location: https://hackaday.io/project/18615-battery-destroyer
Source Code: https://drive.google.com/open?id=0B4-Ln6UubyEeNGppV1JJenRWMzA
oops: one of the timelapse videos is out of sequence ;(
25 Jul 2016
A homemade DMM/Oscilloscope using just spare junk around the house. The only 'cost' was the cheap Atmel microcontroller.
19 Mar 2016
Investigation & Repair of my Corsair CX500 (aka CWT). There appears to be a design flaw?
Power Monitor IC PS229:
http://www.techpowerup.com/articles/160/images/ps229.pdf
PG on the ATX connector == PGO on the chip
16 Oct 2015
CPU : BCM6361 EKFEBG . (400MHz, ADSL2+, BGN)
ROM: NAND256W3A2BN6 . (32MiB)
RAM: H5PS5162GFR . (64MiB)
http://wiki.openwrt.org/doc/hardware/soc/soc.broadcom.bcm63xx#bcm6361_partial_pinout
Sorry for the quality & I have a small cold.
18 Nov 2014
I connected the Scope directly to the VGA plug. Connecting:
Red = Y
Green = X
However: Blue = Z, was useless because VGA only supplies 0.7v, when my Scope needed 5v. So I "Softwared" my way around the problem.
P.S: Adding a transistor would have defeated the purpose of connecting it directly :)
On my other video, I displayed numbers with the sound card. But there is too much detail here for a sound card. So I used the RGB output in 640x480 resolution.
I recorded the game ending....
Converted it to ~5000 jpegs.... Batch processed them to resize to 256x256, highlight outlines and turned to 2 colour....
Converted the pictures to ~5000 raw bmp files (full of Red & Green) per frame to display in 30ms intervals....
The pictures are displayed on a scope, which is older that any home games console...
13 Nov 2014
possible Volume Warning, later in the video...
I tried out the Youscope & Mushroom demo's (but my sound card is not great) & my own Number counting test.
EDIT: Here is the little program I made:
https://drive.google.com/file/d/0B4-Ln6UubyEecEU4bmRHYXJFVWM
Sources:
Youscope: http://www.youtube.com/watch?v=s1eNjUgaB-g
Mushroom: http://www.youtube.com/watch?v=rtR63-ecUNo
3 Apr 2012
I used an old laptop (so I had to fast forward it), and used the OpenNI framework (because the libfreenect and MS SDK did not work for me). Luckily, all I had to buy was a 5v regulator and a cable.
24 Sep 2010
Here was a funny attempt to repair a hard drive. I know it was going to fail, but I thought I'll give it a go anyway.
With the spindle, there was about 50 degrees which was was a little gritty when I was turning it. Perhaps if I attached my drill to the motor and added toooo much oil. It might of helped a bit more?
P.S. Dont try this unless your hard disk is useless. I think firmly tapping the top of the HD or giving it a rotational-jerk in the right direction might help. If that fails... try put it in the freezer for a few hours. Its helped me with past problems.
22 Dec 2009
This is the sped up walkthrough of the last level of Portal, by Valve - from The Orange Box. Mmmmm Cake !
"It says right here in your personnel file:"
"Unlikable, Liked by no one. A bitter unlikable"
"loner who's passing shall not be mourned."
--- Dam! how does GLaDOS know me so well???, thats spooky! oh well off to that big party in the big place with lots of my friends, who... I have, (sniff)
--- Well I'm Still Alive!
16 Dec 2009
I have(had) about 1 week where I had 3 monitors running Windaz, its pretty crazy. I found an old PCI - ATI card and I thought I'll give it a shot.
