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Posts Tagged ‘review’

GPS Disciplined Oscillator review and teardown

Wednesday, November 16th, 2016

Andy Brown did a teardown of a GPS Disciplined Oscillator: The design did actually surprise me. I was expecting to see an OCXO pulled from something else together with a modern GPS unit and an MCU to co-ordinate the synchronisation all mounted on a custom PCB. What we’ve actually got is...

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Posted in Teardowns | 1 Comment »

XBOX 360 GPU die decap: A look at the graphics processor silicon

Friday, November 11th, 2016

[embed]http://www.youtube.com/watch?v=vQ9OyubxoJQ[/embed] A teardown video of an XBOX 360 and analysis of GPU silicon die from Electronupdate. So, what makes an XBOX tick? One of the most notable parts will be the graphics sub system... and at the heart of it, the GPU. The GPU die is bonded onto a substrate...

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Tear down of a scientific calculator Integrated Circuit

Tuesday, October 25th, 2016

[embed]http://www.youtube.com/watch?v=_wza8DZtXuo[/embed] A detailed video teardown of a scientific calculator Integrated Circuit from Electronupdate. More info at Electronupdate blog.

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Review of NeoDen 4 pick and place machine with vision system

Saturday, October 1st, 2016

Ray Wang wrote up a review of NeoDen 4 pick and place machine with built-in vision system: Recently NeoDen released a new model called NeoDen 4 — it’s their first desktop model that has built-in computer vision system. The vision-based alignment makes it possible to place fine-pitched components with minimal manual...

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Posted in tools | 1 Comment »

Teardown of a Static fieldmeter

Thursday, September 8th, 2016

A teardown of a Static fieldmeter from Kerry Wong: Static fieldmeters (or electrostatic fieldmeters) are typically used for non-contact measurements of the electrostatic field strength (usually in kV) of charged objects. These are highly specialized test instruments and most hobbyists probably seldomly have the opportunity of coming across one. So in this...

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Teardown and analysis of an Agilent 86109B Optical/Electrical DCA-X oscilloscope module

Wednesday, September 7th, 2016

Teardown and analysis of an Agilent 86109B Optical/Electrical DCA-X oscilloscope module from The Signal Path: In this episode Shahriar presents the inner workings of an Agilent 86109B optical/electrical DCA-X oscilloscope module. This particular model offers up to 50GHz of electrical bandwidth and an optical input capable of receiving up to...

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Bi-directional voltage level translator – Board house test

Wednesday, August 17th, 2016

Lukas Fassler from Soldernerd shares his experience with DirtyPCBs: I can think of a lot of situations where it could be useful. But the main reason for this project was to gain some experience with getting a PCB professionally manufactured by a board house. For several years I have done my own...

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Posted in DirtyPCBs.com, PCBs | No Comments »

Amazon’s cheapest multimeter teardown: The DT-830B

Wednesday, June 8th, 2016

A teardown of Amazon's cheapest multimeter the DT-830B by Electronupdate: Purchased the cheapest multimeter I could find so I could extract the integrated circuit. A surprisingly simple IC! The actual meter design was much as expected. Poor attention to detail for higher voltages, concerning lack of fuses on current measurements......

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Posted in Teardowns | 3 Comments »

3D Printer extruder review

Tuesday, June 7th, 2016

Bajdi wrote up a review of 3D Printer extruder: End of last year I decided to build a new 3D printer. At that time I already owned a very cheap Chinese Prusa I3 printer, it worked, but wasn’t a very reliable machine and it was dead slow. As I did not...

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Posted in 3D fabrication | 1 Comment »

Dirty PCBs review from Big Mess o’ Wires

Friday, June 3rd, 2016

Dirty PCBs detailed review by Big Mess o' Wires: Now for the key question: were the boards any good? From my inspection, I’d say mostly yes. I spent a long time examining the boards under 10x magnification, and comparing them to my original EAGLE files, and to the Gerbers using gerbv....

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Posted in DirtyPCBs.com, PCBs | No Comments »

Analysis, operation, and modification of a switchmode power supply (SMPS) for variable output voltage

Wednesday, May 18th, 2016

Lindsay Wilson did a teardown/modification of a Chinese SMPS to allow an adjustable output voltage: I'm currently working on a product which uses a size 2430 "hobby" brushless motor and 25A electronic speed controller (ESC). In its "intended" use, the controller runs from two lithium-ion batteries with a total voltage...

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Posted in Teardowns | 1 Comment »

Teardown, repair and experiments with the Anritsu 37347A 20GHz Vector Network Analyzer

Friday, May 13th, 2016

[embed]http://www.youtube.com/watch?v=dwAieDTRMdQ[/embed] Here's another great video teardown from TheSignalPath: In this episode Shahriar repairs an Anritsu 37347A 20GHz Two-Port Network Analyzer. The unit does not boot up and as a result its internal state is unknown. The boot fault is traced to a bad RTC module which has a built-in integrated...

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Posted in Teardowns | No Comments »

Lockitron Bolt teardown

Wednesday, May 4th, 2016

[embed]http://www.youtube.com/watch?v=VNAsLy73E1g[/embed] The crew from Fictiv wrote in to let us know about their special edition teardown video of Lockitron Bolt, which includes insights from the co-founder on material decisions, engineering insights, prototype development, and lots more. More details at Fictiv blog. Via the contact form.

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Inside card sorters: 1920s data processing with punched cards and relays

Monday, May 2nd, 2016

Ken Shirriff did an in-depth write-up of the punched card sorter: Punched card sorters were a key part of data processing from 1890 until the 1970s, used for accounting, inventory, payroll and many other tasks. This article looks inside sorters, showing the fascinating electromechanical and vacuum tube circuits used for...

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Posted in vintage | 1 Comment »

Elektor 500ppm LCR meter case tips

Friday, April 1st, 2016

NopHead wrote a blog post review of Elektor 500ppm LCR meter: I recently bought a 500ppm LCR meter from Elektor because I didn't have anything for measuring inductors or the ESR (equivalent series resistance) of capacitors, both of which are important for modern electronics, particularly switch mode regulators that have become ubiquitous....

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Posted in tools | 5 Comments »

FLIR MR160 thermal imaging and moisture meter review, teardown and experiments

Monday, January 11th, 2016

Another great video review from TheSignalPath: FLIR MR160 Thermal imaging and moisture meter review, teardown & experiments In this episode Shahriar takes a close look at the FLIR MR160 Thermal Imaging and Moisture Meter. Featuring Infrared Guided Measurement (IGM) technology powered by a FLIR Lepton® thermal imaging sensor, MR160 helps you...

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Posted in Teardowns | No Comments »

CSI Premier 75W and Hakko 936 solder station teardowns

Thursday, January 7th, 2016

Todd Harrison did a teardown of the CSI Premier 75W and Hakko 936 solder station: I did the teardown of the CSI 75W solder station as well as the Hakko 936. The Hakko of course had all analog circuits using operational amplifiers and potentiometers as well as a temperature sensor in the...

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Posted in Teardowns | 4 Comments »

DirtySLA first impressions

Tuesday, December 29th, 2015

new299 tried out dirtySLA and did a quick video review.  

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Posted in Videos | 1 Comment »

Keysight EXA Signal Analyzer/Spectrum Analyzer review, teardown & experiments

Monday, December 28th, 2015

Another video review from TheSignalPath, Keysight EXA Signal Analyzer/Spectrum analyzer: In this episode Shahriar reviews the Keysight EXA Signal Analyzer / Spectrum Analyzer (N9010A). The X-Series Signal Analyzers and Spectrum analyzers from Keysight are compared against each other. The EXA is a general purpose spectrum analyzer with extensive applications. The...

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Posted in Teardowns | No Comments »

Control your Arduino over the Internet using Blynk

Saturday, December 26th, 2015

John Boxall from Tronixstuff has written an article on using Blynk with Arduino: There are many ways of remotely-controlling your Arduino or compatible hardware over the Internet. Some are more complex than others, which can be a good thing or a bad thing depending on your level of expertise. Lately we’ve become...

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Posted in Arduino, tutorials | No Comments »

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  • KH: I should point out something... well, lead acid car batteries are designed to be well-charged all the time. The plates (which are patterned and thin)...
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