Eevblog #279 – how not to blow up your oscilloscope!
How NOT to blow up your Oscilloscope. Your oscilloscope ground clip lead can be a potential accident waiting to happen.…
Eevblog #278 – elmo visual presenter teardown
Teardown Tuesday What's inside an Elmo Visual Presenter? More importantly, can it be used as a PCB inspection/soldering tool?
Eevblog #277 – mailbag – elektor / matrix multimedia e-blocks
http://www.matrixmultimedia.com/eblocks.php http://www.elektor.com/products/e-blocks.258.lynkx Dave takes a quick look at the E-Blocks learning system from Matrix Multimedia. Available from Elektor
Eevblog #276 – mailbag
http://www.eevblog.com/forum/projects-designs-and-technical-stuff/symasym-by-flodins-my-new-pcb-diy/ A 100W Audio Amplifier kit by http://flodins.info And a car interface kit by http://www.retro-ren
Eevblog #275 – pir sensor teardown tutorial
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 d
Eevblog #274 – makerbot tweaking first print
Building the Makerbot Thing-O-Matic Gen 4 Interface Controller, fixing problems with the stepper motor drive current, and a successful first…
Eevblog #273 – power factor correction with the mc34262
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…
Eevblog #272 – manson 9400 40a 3-15v switchmode psu teardown
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…