I’ll be at the Sydney Maker Faire this weekend (16th-17th), roaming around with the camera for two days, come up and say HI. I’ll also be having a “Fireside chat” with Sebastien Eckersley-Maslin (CEO of startup incubator BlueChilli)
Read More »EEVblog #651 – Mailbag
Mailbag Monday Coin Validator & Laser Scanner Teardowns Datasheets SCX6206 1980’s Microchip/GI EEPROM Chopper Amplifiers Forum HERE Podcast: Download
Read More »uBeam Ultrasonic Wireless Charging – A Familiar Fish Smell
In the last day there has been some buzz about the uBeam wireless energy charging device, which of course, like all great new inventions, does not actually exist yet, it just needs the magic input of money. It ticks all the media story hype boxes though – designed by a …
Read More »EEVblog #650 – Canon HF G30 / XA20 / XA25 Camcorder Review
Dave reviews the Canon HF G10 Camcorder and compares it with his HF G10 for his blogging purposes. This is practically an identical video camera to the XA20 and X25 models. Extended video is HERE Forum HERE Podcast: Download
Read More »EEVblog #649 – Power Designs 2005 PSU Teardown
What’s inside a 1964 vintage Power Design 2005 Precision Power Supply? Schematic HERE Forum HERE Podcast: Download
Read More »EEVblog #648 – Mailbag
Mailbag Monday Dave opens his mail, outback Australian style… Franky’s Ebay Store Ten Essential Skills for Electrical Engineers WiFi Digital Radio teardown 1970 vintage Magnetic Core Memory! Forum HERE Podcast: Download
Read More »EEVblog #647 – Agilent 53131A Frequency Counter Oven Upgrade
Dave upgrades his HP/Agilent 53131A frequency counter with an ovenised oscillator module from ebay. http://www.ebay.com.au/itm/121330209846 http://www.thinksrs.com/downloads/PDFs/Catalog/PRS10c.pdf http://www.2917.com/EBAY-images/NOX012166/STP2145A.pdf http://cp.literature.agilent.com/litweb/pdf/5967-6039EN.pdf Forum HERE Podcast: Download
Read More »EEVblog #646 – Gravity Detection Using A Frequency Counter!
Did you know you can use your frequency counter to detect gravity? You’ve likely done it before and you didn’t even know it! Dave demonstrates the phenomenon of 2g-tipover on quartz crystal oscillators in an Agilent 53131A frequency counter. Related videos: How a rubidium frequency standard works FE-5680A Rubidium Standard …
Read More »EEVblog #645 – TRS-80 Model I Retro Computer Teardown
Dave looks inside the most popular microcomputer of the 1970’s, the Radio Shack / Tandy TRS-80 Model I And also a look at the TRS-80 Model 102. Bonus EMI testing for fun. Bonus rant on how slow the Tektronix MDO3000 is in RF mode. TMS4116 16Kb DRAM Level II BASIC …
Read More »Graphene / Lithium Ion Capacitor Kickstarter BS
I’ve had a lot of people ask me to comment on THIS project in Kickstarter. It was supposed to be a rechargeable battery based on Lithium Ion Capacitor technology. Ok, cool, nothing wrong with that, sounds good. A guy has mated a Lithium Ion Capacitor with a small custom regulator …
Read More »Tricky Dicky Makers
Dick Smith Electronics (known colloquially as Tricky Dicks here in Australia), a once (in)famous electronics components retailer, but long since been just a consumer electronics store, have released some excellent videos highlighting three local Sydney makers as part of their Unleash Your Smith advertising campaign shown on Australian TV and …
Read More »EEVblog #644 – How To Design Front Panels On Extruded Enclosures – µSupply Part 14
Dave shows some techniques on how to build and mount usable PCB based front panels user interfaces with LCD displays and push buttons and capacitive touch buttons onto small cheap extruded aluminium enclosures. In particular for the µSupply project. This is Part 14 of that series. The uCalc project gets …
Read More »EEVblog #643 – Mailbag
Mailbag Monday Spoilers: Dual voltage source selection circuit Casio FX-7000G the world’s first graphing scientific calculator, circa 1985. A 1989 vintage analog ohmeter. Teardown of a 450W electronic dimming module. Forum HERE Podcast: Download
Read More »EEVblog #642 – TI Connected Launchpad
Dave checks out the $20 TI EK-TM4C1294XL Tiva C Series TM4C1294 Connected Launchpad Internet of Things. ARM Cortex M4 processor with Ethernet and IoT demo application. How useful is it out of the box? Forum HERE Podcast: Download
Read More »EEVblog #641 – Dumpster Cash Register Teardown
Teardown Tuesday. Dave tears down a cash register found in the dumpster. Does it have any useful parts to salvage? German brand Quorion QMP 3282 Datasheets: 128×64 LCD Altera MAX PLD 80C186 clone RISC/DSP processor PF63141 PF63236 Atmel 8051 MC34164 Forum HERE Podcast: Download
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