Inside the new Rigol 7000 Series oscilloscope with custom ASIC’s. Also a look at the bootloader code for potential hacks. Forum HERE Hi-res photos: Podcast: Download
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Inside the new Rigol 7000 Series oscilloscope with custom ASIC’s. Also a look at the bootloader code for potential hacks. Forum HERE Hi-res photos: Podcast: Download
Read More »A look at the recent EEVblog meetup and the projects people bought along to show off. And you won’t believe which companies advertised at the event! 😀 Kickstarter Particle Accelerator BrunoPoweeer MakersMuse MickMake Forum HERE
Read More »The new official Power Over Ethernet (PoE) hat for the Raspberry Pi 3 B+ has been reported to fail with an overcurrent error when powering USB devices. Dave investigates and narrows it down until, well, something goes horribly wrong… Rpi forum Forum HERE Podcast: Download
Read More »Youtube isn’t suggesting Fran Blanche’s channel any more, what’s going on? Does Youtube not suggest de-monetised content?
Read More »Who saw it coming?, Fontus have filed for bankruptcy! The infamous “self-filling water bottle” that raised $340k on Indiegogo has gone bankrupt and delivered nothing. You ‘canna beat the laws of physics Captain! https://www.ksv.at/insolvenzfaelle/insolvenz-fontus-water-technology-gmbh-1030-wien http://www.fontus.at/fontus-update.pdf https://www.indiegogo.com/projects/fontus-the-self-filling-water-bottles#/ Forum HERE Podcast: Download
Read More »Gav “The Mechatronics Guy” explains circular polarised light and demonstrates his physical laser cut models to help understand this concept in his quest to make a pixel mapped polarised light camera. How do 3D shutter glasses work? https://tinkerings.org/ Podcast: Download
Read More »Bart Schroder from Cleverscope talks about the challenges in designing the world’s highest performance isolated oscilloscope. Measurement demo on a 500V MOSFET H-Bridge and how to accurately probe it. Then a teardown and walk through of the design of the new CS448 1kV 4CH 200MHz 14bit isolated oscilloscope and the …
Read More »Why do many powered studio monitor speakers have a low level audible background noise? This is an issue with many big and popular brand monitors like KRK, Yamaha, JBL, Alesis and many others Time for some investigation on the KRK Rokit 6 studio monitor speakers to track down where the …
Read More »Are power planes in a 4 layer PCB any good as a capacitor? Can it work as one big bypass capacitor? A look at an discussion on PCB layer stackups, and some measurements on 4 and 8 layer PCB power planes with different prepreg thicknesses and how well they work …
Read More »Circuit building block time. The capacitance multiplier and how it gives almost negligible power supply ripple compared to a voltage regulator. Whiteboard theory and then some bench demonstrations and experiments. Plus a twist at the end that proves that the “Capacitance multiplier” is perhaps one of the most mis-named circuits …
Read More »Dave looks at some traps in chips and their modes of operation. In this case the TI LM2776, a look a the classic 7660 charge pump voltage inverter, and output ripple and ways to reduce it. Parametric searching, and a look at some interesting rail inverters. The uSleeve Forum HERE …
Read More »Review of the new 18W USB-C TS80 temperature controlled portable soldering iron. TLDR; Highly recommended, money well spent if you need a portable iron solution, but you need a QC3 battery pack. Podcast: Download
Read More »Is a $5 8W USB soldering iron actually useful? Forum HERE Podcast: Download
Read More »The Australian Computer Museum Societies’ warehouse has to shut down next week, so Dave goes warehouse diving. If you know of someone willing to donate warehouse space in Sydney, please let me know. UPDATE: Please don’t contact them with offers of small donations space, they need a HUGE space, as …
Read More »A look at one of the world’s first handheld electronics games, the classic 1978 Parker Brother game Merlin The Electronic Wizard. It just so happens to use the world’s first microcontroller, the 4 bit Texas Instruments TMS1000 Some history and a teardown. Nice history of the Merlin development Forum HERE …
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