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 …

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 …

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 …

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 …

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 …