EEVblog No Script, No Fear, All Opinion

Dave celebrates the classic 555 timer IC by building the Evil Mad Scientist “three fives” discrete timer kit. Some scope measurements and an explanation of the internal 555 timer circuitry follow. Video Highlights: Construction Testing Circuit Description Waveforms Classic old Signetics 555 timer datasheet The kit Han’s Book on Analog …

Dave tears down a vintage 1984 Sinclair FTV1 / TV80 pocket TV and explains how the innovative 3 deflection system flat screen CRT works. Service Manual with schematics and theory of operation: http://eevblog.com/files/Sinclair_FTV1.zip Flickr Photos: http://www.flickr.com/photos/eevblog/sets/72157638306245666/ Info page: http://www.thevalvepage.com/tv/sinclair/ftv1/ftv1.htm Guy who worked on the CRT: https://www.youtube.com/watch?v=VB7RgVqTgXI Forum: http://www.eevblog.com/forum/blog/eevblog-554-sinclair-ftv1-tv80-flat-screen-pocket-tv-teardown/ Podcast: Download

Analog TV was switched off in Sydney Australia on Tuesday December 3rd 2013 at 9am. This is the final transmission, and then static. Forum: http://www.eevblog.com/forum/blog/australian-analog-tv-switch-off/

DIN 41612 Roth Electronics Extender Card Lichtenberg Figure Self Balancing Unicycle Tektronix 213 oscilloscope and HERE Podcast: Download

Dave demonstrates how to add testing capabilities to your PCB panel for easier production testing. Using an example of his new uCurrent design, and also a commercial product designed to be automatically ATE tested. Essentially Part 3 of the PCB Design For Manufacture series. PCB DFM Part1 PCB DFM Part2 …

A random one from the archives… Here is a cheap brand SMD pin header connector that went through a normal production reflow soldering machine profile. Someone at the WunHungLo connector factory got the plastic mixture wrong I guess…

For those with a solar power system, and an account on PVoutput.org, I’ve created a new EEVblog team you can join here: http://pvoutput.org/listteam.jsp?tid=778 That allows us to see how much energy the EEVblog community is generating and a whole. My current solar power system data is here: http://pvoutput.org/list.jsp?id=22501&sid=20402&v=0

Dave takes you on a highlights tour through the first Sydney Mini Maker Faire at the Powerhouse Museum. This is the overview video, more will follow with behind the scenes stuff and extended interviews. Forum: http://www.eevblog.com/forum/blog/eevblog-551-sydney-mini-maker-faire/ Podcast: Download

Dave checks out the Manfrotto 396B 3-section double articulated arm to see if it’s suitable for his bench video camera work. Also, the Manfrotto 035 super clamp and the 237HD heavy duty flex arm. DIY camera mount: https://www.youtube.com/watch?v=NrpFLN7fTqg DIY microscope stand: https://www.youtube.com/watch?v=jkFcwL6tAbw Forum: http://www.eevblog.com/forum/blog/eevblog-550-manfrotto-video-camera-articulated-arm/ Podcast: Download

The Sydney Mini Maker Faire is this Sunday, 24th November: http://makerfairesydney.com/

An update on the Rigol DP832 lab power supply fix. Original video HERE Forum HERE Podcast: Download

Dave demonstrates how to do some basic in-house EMC Pre-Compliance conducted emissions testing on a DC powered product using an open source hardware Line Impedance Stabilisation Network (LISN) box, and a low cost Rigol DSA815 spectrum analyser http://www.tekbox.net/open-hardware/tboh01-5uh-impedance-stabilisation-network-lisn NOTE: As stated on the product page, this product and technique is …

Sorry, the forum went down overnight. It’s being worked on now by resident penguin gnif… UPDATE: Now fixed. It was some corrupted database tables. Not sure of the cause yet. Hopefully not posts lost. Discuss HERE

Dave tears down and salves some parts from old Panasonic, Telstra, Cisco, Nortel, and Polycom PABX and VOIP phones found in the dumpster. Are there any salvageable parts in them? Forum HERE Podcast: Download

Dave rants about Youtube’s latest change and the forcing of Google+ upon all Youtube users and content creators who want to interact.