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USB microscope cameras

(9)
Hi Steve, Look Youtube for Andonstar USB microscope: https://www.youtube.com/results?search_query=andonstar+usb+microscope
roumenvelev
9
posts
8:09 PM

Best motor for an attic fable fan.

(42)
As an example of the effectiveness of heat removal from an attic say 50 degrees from 135 down to 85 consider if the remainder of the house the walls were 50
normnet2003
42
posts
May 12

MosFET as Diode

(4)
The device I used so long ago must have been a dual package arranged as back to back. Or it didn't have the intrinsic / body diode. The application was to
sheldon.dedek
4
posts
May 3

Repair help

(3)
Try to replace the power lead. The lead takes a lot of abuse but seems to be the last place to look.
Howard Chester
3
posts
Apr 30

Scoping HV circuit

(18)
If you want to use an EM probe for measuring your hv circuit, you can easily make one. Take a water bottle and get the plastic ring that detaches from the
cheater00 cheater00
18
posts
Apr 16

Finding intermittent short?

(22)
... I guess that depends on which one you're talking about... I've got both variations. Or had them, at any rate. ... Burn a hole in the top of the piston?
Roy J. Tellason, Sr.
22
posts
Apr 14

More rigol ds1054z update

(20)
Rick, Besides the emotional reaction of using business card cardboard, it's doing well..... I just might just GLUE the cardboard, instead of wrapping it in
Jong Kung
20
posts
Apr 13

What cap to use?

(7)
You might be seeing line voltage signal due to a floating switch. Make sure one of the switch leads is on the same ground reference as the scope. Also make
dankahn88
7
posts
Apr 12

Rigol DS1054 firmware

(6)
This is the correct web page - I checked the .zip http://beyondmeasure.rigoltech.com/acton/fs/blocks/showLandingPage/a/1579/p/p-0019/t/page/fm/0
rstofer@pacbell.net
6
posts
Apr 12

Rigol ds1054z update.

(15)
Your mistaking, I am not countering your definitions, there is nothing wrong with your definitions. I am showing now Accuracy and Precision are represented in
Rick H Parker
15
posts
Apr 12

Rigol DS1054 measurement error question

(68)
... My guess is that the scope has internal relays (or FET switches) that connect the inputs to ground and to reference voltages, during the calibration steps.
Andy
68
posts
Apr 9

Scope sampling speed

(13)
... I think it depends on the quality of the sampling itself too. But, yeah, the scope could be theoretically capable of not just 4GHz but 5GHz. Barring
Andy
13
posts
Apr 7

Is this common knowledge ?

(24)
I'd never use ceramics in audio curcuits due to specifically microphonics. At club loudness even a ripple rejection cap can start putting audio in the output.
cheater00 cheater00
24
posts
Apr 5

Brand new rigol... going back !!!

(56)
First post: Have a look at my project for upgrading the 2072A to a DS2302A for free. https://hackaday.io/project/8115-rigol-ds2072a-upgrade-to-ds2302a
mosaicmerc
56
posts
Mar 30

OT: Cheap lab equipment recommendations

(18)
I like the Bitscope Micro ... it does a ton for the money, and it works very well with Raspberry Pi 3, so you can build the whole solution for less than the
Derrik Walker v2.0
18
posts
Mar 30
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