When a friend of [Tom Verbeure] came into possession of two HP 33120A 15 MHz function/arbitrary waveform generators, he could not resist giving them a
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All Aboard The Garbage Express
Cog railways are a somewhat unusual way of train locomotion, typically only installed when a train needs to climb steep terrain. Any grade above about
Read MoreElectronics Explained With Mechanical Devices
It can be surprisingly hard to find decent analogies when you’re teaching electronics basics. The water flow analogy, for instance, is decent for explaining Ohm’s
Read MoreGet To Know Touch With This Dev Board
In the catalogue of the Chinese parts supplier LCSC can be found many parts not available from American or European suppliers, and thus anyone who
Read MoreAcoustic Coupler Gets You Online Through Any Desk Phone
Up until the mid-1980s, connecting a computer to a phone line was tricky: many phone companies didn’t allow the connection of unlicensed equipment to their
Read MoreSpinning Holographic POV Christmas Tree Of Death
[Sean Hodgins] really harnessed the holiday spirit to create his very own Giant Spinning Holographic Christmas Tree (of Death). It’s a three-dimensional persistence-of-vision (POV) masterpiece,
Read MoreTeensy Twofer Of Plug-In Emulated Retro CPUs
[Ted Fried] wrote in with not one but two (2!) new drop-in replacements for widespread old-school CPUs: the Zilog Z80 and the Intel 8088. Both
Read MoreReverse Engineering Saves Weller With A Wonky LCD From The Trash Pile
There’s nothing more satisfying than finding a broken piece of gear in the trash and bringing it back to life. Satisfying, but also potentially more
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