Dave plays around with converting a toaster oven into a surface mount SMD reflow oven with a beginner kit and controller from Beta Layout. Includes basic calibration and thermal profiling of the oven. Also a look at an example PCB from PCB-Pool, and reflow of an example board with lead-free …
Read More »EEVblog #557 – Retro Sinclair ZX Spectrum Computer Teardown
Inside the classic retro Sinclair ZX Spectrum computer from the 1980’s Was supposed to be part of the previous Mailbag video, but Dave is an SEO keyword whore, so it gets it’s own video. Forum HERE Podcast: Download
Read More »EEVblog #556 – Mailbag
Mailbag Monday https://www.youtube.com/user/mikeselectricstuff http://www.hioki.com/discon/pdf/multi/3207_08.pdf http://tindie.com/stores/Pieco http://tindie.com/UnaClocker http://www.tokyoflash.com/en/watches/kisai/upload/ Podcast: Download
Read More »EEVblog #555 – 555 Timer Kit
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 …
Read More »EEVblog #554 – Sinclair FTV1 TV80 Flat Screen Pocket TV Teardown
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
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