EEVblog

EEVblog Forum Post A 100W Audio Amplifier kit by flodins.info And a car interface kit by www.retro-renault.com I decided to split this video. The Elektor package video coming up next.

http://www.perkinelmer.co.uk/CMSResources/Images/44-4345CAT_SensorsAndEmittersInfraredSensing.pdf Teardown Tuesday What’s inside a NESS Quantum Passive Infrared (PIR) pyroelectric motion sensor. How do they work? And what’s all this Fresnel lens stuff anyhow? For Meters and Sensors check out Measurement Systems.

Building the Makerbot Thing-O-Matic Gen 4 Interface Controller, fixing problems with the stepper motor drive current, and a successful first print. Well, almost…

http://www.onsemi.com/pub/Collateral/MC34262-D.PDF http://www.youtube.com/watch?v=bX8IIjf15qY This was supposed to be a small side piece in the Manson PSU Teardown, but it was almost 10 minutes, so I decided to separate it out to keep the teardown as short as possible. You should watch the PSU teardown to get the context of this where the chip is used.

Service Manual: http://eevblog.com/files/SPS9400_ServiceManual.pdf What’s inside the Manson SPS9400 40A 3V to 15V Switchmode Power Supply? Also known as the Jaycar Powertech MP3090 and BK Precision 1692

1 photo every minute, rendered to 5 frames per second. A short time-lapse build of the new eevblog lab. Forgot to upload this. Better late than never.

http://astore.amazon.com/eevblogstore-20?node=3 Teardown Tuesday What’s inside the Zoom H1 Portable Handy MP3/WAV Recorder?

Dave builds a simple jig to help with testing the uCurrent’s You can buy one here: http://eevblog.com/shop

http://www.energymicro.com/tools/efm32-tiny-gecko-starter-kit Some playing around with the Energy Micro Tiny Gecko board and software. Does it meet it’s claim of 20nA standby current?

Teardown Tuesday time. What’s inside a professional 1200W Xantrex XFR300-4 300V 4A rack mount power supply?

http://www.idealindustries.com/prodDetail.do?prodId=61-025 http://www.google.com/patents/US5103165 It’s Teardown Tuesday time. Ever wondered what’s inside those mains voltage detection sticks? Dave cracks open an IDEAL VoltAware, and giggles at a patent. Thanks to http://www.triosmartcal.com.au for the stick.

http://www.energymicro.com/tools/efm32-tiny-gecko-starter-kit Another mailbag episode. What’s in Dave’s PO Box? And can the uCurrent make music?

http://eevblog.com/files/PM6672-Service-Manual.pdf http://eevblog.com/files/PhilipsPM6673-76-Service-Manual.pdf PHOTOS: http://www.flickr.com/photos/eevblog/sets/72157629731591013/ The first of the new regular segment on the EEVblog – Teardown Tuesday. Dave cracks open the Philips PM6672 1GHz Timer Counter, and more interestingly, the PM9690 10MHz oven stabilised reference crystal oscillator.

http://www.ramzonics.com.au Watch the uCurrent PCB’s being assembled on a commercial pick and place machine.

Extech LP100 Release Dave & Dr Phil look at how Extech’s new TL100 Laser Test Probes work. FYI: The electronics beanbag was custom made, with material from here: http://www.spoonflower.com/fabric/382464 and made by this company in Western Australia: http://www.beaufortstreetbeanbags.com.au/