EEVblog

Dave compares the new Siglent SSA3021A 2.1GHz spectrum analyser with similar priced Rigol DSA815.

Noise floor, clock and PLL phase noise and other performance aspects are measured and compared between the two models.

Bugs?, yup, got those too!

Forum: http://www.eevblog.com/forum/blog/eevblog-891-siglent-ssa3021x-vs-rigol-dsa815-spectrum-analyser/

What’s inside the ArmourCard active RFID jammer for NFC contactless credit cards?

Does it work? Will it protect you from skimming?

Forum HERE

Patent HERE

Lithium Battery HERE

Do those RFID shielded wallets and bags actually work to protect your contactless credit cards?

Systems like VISA PayWave and Mastercard PayPass.

Does aluminium foil work?

Dave does some measurements to find out using a H-Field probe

TekBox EMC probe set

Forum HERE

More Mailbag!

Forum HERE

SPOILERS:

Electronic Dummy Load and Dave discusses potential technical issues with paralelling MOSFET’s

www.nupo-artworks.de

Atheist Book: Christian Mythology for Kids

Metal Rectifier, / Selenium Rectifier.

Hornby Triang model train P5A Power Controller.

Gtronics Protoshield Plus for Arduino

Mitsubishi MT-398FOR6A Analog Mobile Phone

Swiss Tools Screwdrivers

In this Fundamental Friday Dave discusses the economics of selling your own hardware. Both directly and through a distributor/reseller.

Everything you need to know about pricing your product for your hardware startup. Cost Multiplier, Gross Margin Percentage, Markup, and Cost Of Goods Sold are all explained.

Forum HERE

Dave talks to Karsten Becker from PT Scientists, head of electronics development for the Audi Quattro Lunar Rover that will land at the Apollo 17 landing site on the moon in 2017

It is front runner in the Google Lunar X-Prize

Forum HERE

World’s first unboxing of a lunar rover!

The Audi Lunar Quattro moon rover, which is an entry in the Google Lunar X-prize. Scheduled for launch in 2017.

Developed by PT Scientists.

With the head of electronics development, Karsten Becker.

More videos coming…

www.mission-to-the-moon.com

Forum HERE

Dave unboxes, tests, inspects and repairs the first returned faulty EEVBlog BM235 Multimeter.

What will the be the fault?

Forum HERE

Dave takes a look at the Orange Pi One $10 single board 4 ARM Cortex A7 processor computer and compares it to the Raspberry Pi 2.

Coving the install of the ARMbian flavour of Debian.

Beware the security bug!

And what is the power/watt efficiency between the two?

Schematic HERE

Allwinner H3 datasheet

Open source Allwinner H3 community

Forum HERE

Dumpster diving time!

Dave fishes out some Apple Xserve rack mount server computers and tears them down.

Forum HERE