The 2016 Sydney Mini Maker Faire. Extended show footage is HERE Forum HERE Podcast: Download
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The 2016 Sydney Mini Maker Faire. Extended show footage is HERE Forum HERE Podcast: Download
Read More »Defibrillator Teardown! Inside the Heartsine Samaritan Pad AED heart defibrillator. Forum HERE Datasheets: CS20-22moF1 vs-30tpspbf irg4ph40upbf FQP45N15V2 ISD4004 Podcast: Download
Read More »Fundamentals Friday. A tutorial on Zener Diodes. Avalanche breakdown, zener breakdown, zener effect, knee voltage, power dissipation, differences from regular diodes, calculating dropper resistor value, voltage regulation, clipping, clamping, transient surge overvoltage protection, characteristic curve, forward and reverse characteristics. Forum HERE Podcast: Download
Read More »Rocking straight out of 1989, what makes the Sony GV-9E Video Walkman a marvel of engineering, yet ultimately a flop? Manual HERE What’s on the tape VIDEO Glass delay lines VIDEO Forum HERE Podcast: Download
Read More »More Mailbag Forum HERE SPOILERS: Amateur HAM Radio Study Guides from Dan Romanchik PCBite professional PCB holder Accurate panel meter Valve Bonanza Turns your PSU into a USB charger OP.A FM Synthesiser Arduino Shield Flip Dot Displays Lumintop TD16 1000 lumens Tactical Flashlight Torch: Worm AAA Keyring Torch Worm Brass …
Read More »Knee Teardown!
Read More »New segment! Dave responds to Youtube comments and answers questions. Forum HERE
Read More »Dave screwed up and now he has to fix it. What went wrong with the vintage Hewlett Packard HP85 personal computer? Forum HERE Podcast: Download
Read More »1979, a screaming 613KHz clock, killer graphics, and it’s a Hewlett Packard, it doesn’t get much better than this! Dave powers up the the classic HP85 Scientific / Engineering Professional Personal Computer and has a play around. Forum HERE Teardown VIDEO Repair VIDEO User Manual Pocket Guide Documents: Collection Manuals …
Read More »1979, a screaming 613KHz clock, killer graphics, and it’s a Hewlett Packard, it doesn’t get much better than this! Inside the classic HP85 Scientific / Engineering Professional Personal Computer. Forum HERE Using it VIDEO Repair VIDEO Podcast: Download
Read More »There has been a ton of media hype about paving the famous Route 66 with the Brusaw’s Solar Roadways. Too bad it’s all over hyped bullshit. Note, the last 5 minutes is repeat material. Forum HERE One of Tunderf00t’s videos HERE Podcast: Download
Read More »A followup to the previous video on photoflash sensitivity on the Raspberry Pi 3 WiFi chipset.
Read More »The Raspberry Pi 3 has the same Xenon photoflash reset problem as the RPi2 (albeit at a much reduced level) There is also a photoflash problem with the Broadcom BCM43438 WiFi & Bluetooth chipset. The internet connection will lockup when exposed to sufficient Xenon flash light. The flash problem explained …
Read More »Dave takes a look at the ST STM32 L1 series low power ARM chips, and gets a cheap STM32L152C development board up and running with the IAR Embedded workbench compiler and STLINK/V2 interface. Also a look at the STMcubeMX code initialisation application. 32L152CDISCOVERY Schematic & User Manual PIC32MX Forum HERE …
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