Collaborate Disseminate
It’s always a pleasure to find a hardware hacker who you haven’t seen before, and page back through their work. [Bettina Neumryr]’s niche comes in building projects from old electronics …read more Continue reading A Function Generator From The Past
The nights are drawing in for Europeans, and Elliot Williams is joined this week by Jenny List for an evening podcast looking at the past week in all things Hackaday. …read more Continue reading Hackaday Podcast Episode 341: Qualcomm Owns Arduino, Steppers Still Dominate 3D Printing, and Google Controls Your Apps
The first transistors were point contact devices, not far from the cats-whiskers of early radio receivers. They were fragile and expensive, and their performance was not very high. The transistor …read more Continue reading Inside a Germanium Transistor
There’s a joke that does the rounds, about a teenager being given a dial phone and being unable to make head nor tail of it. Whether or not it’s true, …read more Continue reading Google Japan Turn Out Another Keyboard, and it’s a Dial
Taking on a refrigerator-sized minicomputer is not for the faint-hearted, but [Usagi Electric] has done it with a DEC PDP-11/44. He’s not doing it in half measures either, for his …read more Continue reading A Minicomputer Tape Drive Receives Some Love
We have all no doubt at some point released the magic smoke from a piece of electronics, it’s part of what we do. But sometimes it’s a piece of electronics …read more Continue reading Can a Coin Cell Make 27 Volts?
When we use the command line on Linux, we often refer to it as a terminal. It’s a word with a past invoking images of serial terminals, rows of green-screened …read more Continue reading A Lorenz Teletype Shows Us Its Secrets
It’s been a while since the last installment in our Know Audio series, in which we investigated distortion as it applies to Hi-Fi audio. Now it’s time to return with part …read more Continue reading Know Audio: Distortion Part Two
The MOS Technologies 6581, or SID, is perhaps the integrated circuit whose sound is most sought-after in the chiptune world. Its three voices and mix of waveforms define so much …read more Continue reading How Your SID May Not Be As Tuneful As You’d Like
Lithium-ion cells deliver very high energy densities compared to many other battery technologies, but they bring with them a danger of fire or explosion if they are misused. We’re mostly …read more Continue reading Lumafield Shows Why Your Cheap 18650 Cells Are Terrible