Sydney Mud Run 2014

Dave drags a Tektronix TDS220 oscilloscope through 7km of mud at the 2014 Sydney Mud Run. Raising money for the NSW Cancer Council. Along with Klein Tools MM500 rugged multimeter also. I’m putting this on the main channel, because so many viewers generously donated. Shot with an Olympus Tough TG-850 …

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Charity Auction

Thanks to Rigol USA there are now two Rigol DS1102E scopes up for auction, see link below. But only for the next 24 hours! A whole bunch of my gear is also going up for auction, and all proceeds are going to the NSW Cancer Council Charity Auction HERE Donate …

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Rode NT3 Microphone Prototype

Doug Ford from Doug Ford Analog Design shows his original Rode NT3 microphone prototype, and some of the design aspects that went into it. Traps for young players about the triboelectric effect in wires. Not sure if I uploaded this clip as part of my original microphone design series?

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EEVblog #687 – EFTPOS PIN Pad Terminal Teardown

What’s inside a smart card pinpad EFTPOS terminal? Dave looks at the anti-tamper mechanisms inside a Sagem Monetel EFT930S DS5240 High-Speed Secure Microcontroller MAX32550 DeepCover Secure Cortex-M3 Flash Microcontroller NCN6004A SIM Card interface Forum HERE Podcast: Download

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EEVblog #686 – Mailbag

A monster sized high definition 50fps Mailbag, with two special guest helpers! SPOILERS: uRad Radiation Monitor (Hack A Day Prize entry) VFD Displays Norand Pen Key 6100 USPS tablet computer Sagem & Keycorp EFTPOST pinpad Electric Imp Internet of Things Interview with Brandon Harris Romanian MAVO30 Analog Multimeter Casio FX-31 …

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Dick Smith – Amateur Radio & Adventure

Dick Smith talks about how he got started, the early Dick Smith Electronics days, his round the world adventures in a helicopter, balloon, and plane, and how amateur radio played a huge part in his adventures and saved his life. Also Dick Smith foods, and the loss of Australian manufacturers. …

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EEVblog #685 – What Is Oscilloscope AC Trigger Coupling?

In this tutorial Dave describes what AC trigger coupling is on an oscilloscope and why it can be useful. Not only on old analog CRT oscilloscopes, but modern digital scopes as well. How and why is it different to AC channel input coupling? Also, use of the 50% trigger control, …

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Blown Ness PCB Followup

In my previous video I showed a tour of the Ness factory. What you didn’t see is my talk with the head design engineer about the blown PCB (he didn’t want to be on camera), which they had seen and promptly invited me in for the tour and talk about …

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EEVblog #684 – Ness SMT Maufacturing & Assembly Factory Tour

The founder and CEO of Ness Corporation Naz Circosta takes us on a personal tour of the companies impressive worlds class surface mount and through hole manufacturing facility where they produce hundreds of different Ness security and automation products. It’s no every day the CEO of a major company has …

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EEVblog #683 – Rigol DS1000Z & DS2000 Oscilloscope Jitter Problems

Dave investigates two very serious issues with jitter on the Rigol DS1000Z series oscilloscopes, including the DS1104Z and new DS1054Z Some sort of modulated sampling/trigger jitter problem at 5 microsecond intervals (the “5us jitter problem”). And severe jitter with the AC coupled trigger mode, a problem which is also present …

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