EEVblog

Look over Dave’s shoulder as he tries to select a 7 segment LCD and suitable driving microcontroller.

Element 14 shipped Dave some chips in just “anti-static” packaging, instead of proper “static shielding” bags. So he decided to revisit the anti-static bag myth he mentioned in episode #3, but this time doing some static measurements and actually trying to kill a chip.

Dave and Phil assemble Makerbot Thing-O-Matic #6887 in x100 time lapse!

Part 9 is HERE Part 10 of the PSU Design series, and Part 2 of the PCB Layout, this time, editing the changes from REV A to REV B and pushing the changes through to the PCB and doing a revised layout. Time lase is x20 speed.

Dave video captured laying out his power supply PCB in real-time, and in this video speeds that up by 10 times and adds audio commentary over the top explaining his thought processes and techniques whilst layout out the board.

What’s inside an almost 20 year old analog mobile phone? Dave tears down a 1993/1994 vintage Motorola Ultra Sleek 9660 “Dynatac” phone and compares it with a Nokia 3310 from 2000

Dave got fed up not knowing if his Hakko FX-888 iron was left on or not. So hacked the LED to toggle RED/GREEN, so it’s always on. Toshiyuki Kita link

http://www.pcbzone.net http://iteadstudio.com/ Many people asked to see the PSU PCB’s from Circuit Labs in New Zealand. Here is an in-depth look, compared with the same board from ITEAD Studios

PART 7: http://www.youtube.com/watch?v=s8b4h_UybLE After some Arduino hurdles, Dave troubleshoots his DAC SPI driver code in “real time”, and takes a peek at an issue with the LCD I2C bus. As well as showing off his PSU PCB for the first time. The PCB is from Circuit Labs in New Zealand: http://www.pcbzone.net

SIGN UP HERE: http://www.eevblog.com/2012/01/18/ucurrent-request-list/ PART 1: http://www.youtube.com/watch?v=VXE_dh38HjU A follow up to Dave’s popular PCB Design For Manufacture (DFM) tutorial video. This time he updates his uCurrent PCB for production, including panelisation layout and component reel selection. Lots of the same ground is covered as in part 1, but with a specific real project example.

Dave has changed a few things in the Rev B schematic of his power supply design. Talk on opamp specifications, I2C I/O expansion and AVR microcontroller pin usability. Download the RevB schematic HERE

Dave got a Makerbot Thing-O-Matic 3D printer. A look at what’s inside the box, plus some bonus rants. if it takes this long to un-box, how long will it take to build?

PART 1: http://www.youtube.com/watch?v=I55uLRRvLCU What’s inside the FE-5680A Rubidium frequency standard? Available on ebay for about $50 or so.

TEARDOWN: http://www.youtube.com/watch?v=FRdGsSu5Nec What’s all this Rubidium Frequency stuff anyhow? Dave got an FE-5680A Rubidium frequency standard on ebay. How do they work?, and how does it compare to a regular crystal oscillator, a DTCXO, or an oven stabilised oscillator?

What’s inside the new Agilent U1733C LCR meter? and how does it differ from the old U1733B Escort design?