EEVblog No Script, No Fear, All Opinion

A red letter moment in the history of the world. Or would you believe a pointless time/date correlation?

Inside the Turnigy Accucell 6 Lithium Ion/Polymer/Iron Phosphate 6A Battery Charger. And a look at the JBC CD-2BB series soldering iron Schematic is HERE MOSFETs: MT8103A FDS6680 Forum Topic HERE Podcast: Download

Dave shows you a neat trick on how to get a real time frequency response bode plot on your oscilloscope using your function generator. Useful for filter or system response characterisation. Forum Topic HERE Spectrum Analyser Video Podcast: Download

What’s inside a $250,000 1980’s vintage IBM server hard drive used in banks? 1989 vintage Model 3390 mod2 1.89GB or 3.78GB Forum Topic HERE Podcast: Download

For those who continue to ask really basic questions about the blog. What other EEVblog stuff there is on the Internet?, and where to access it. Sorry for those who do know this stuff, nothing new here for you! Forum Topic HERE Podcast: Download

Getting a battery discharge curve on a Turnigy 5000mAh battery using a BK Precision 8500 Electronic Load Battery Charging Tutorial

555 T-Shirt HERE Hacking the Mantis Elite microscope to control the LED brightness with a 555 PWM circuit. Forum Topic HERE Podcast: Download

Teardown Tuesday What’s inside Rigol’s low cost DSA815-TG spectrum analyser? Forum Topic HERE HiRes Photos HERE Datasheets on chips used: XC6SLX25 A3P030 ADSP-BF526 LTC3728LX ADF4106 ADE-2+ Mixer Block Diagram Breakdown Podcast: Download

A review of the Mantis Elite 3D Stereoscopic microscope from Vision engineering. Unboxing Video Forum Topic HERE Vision Engineering Hawker Richardson Podcast: Download

Measuring the current consumption of some solar powered Casio calculators. And a look at an unusual chip mounting technique. Solar Power Hope Podcast: Download

Teardown Tuesday. What is inside a fake clone A1265 Apple USB charger? How bad are they? Teardown of a real Apple USB charger Podcast: Download

3 ways to stop oscilloscope trigger jitter on burst waveforms. A follow-up to the Delay Line video #2 Trigger Holdoff Tutorial Podcast: Download

Part 2 on Piezo-electric acoustic glass delay lines. Some measurements and playing around. Part 1 is HERE Delay line info is HERE (chapter 6.9) Podcast: Download

More retro computer time! Repair of a 1992 vintage Amstrad NC100 Notepad Forum Topic HERE Podcast: Download

Charles Holtom from TrioSmartCal did this follow-up video on the fixed Korad power supply that failed. The Failure video www.triosmartcal.com.au