Collaborate Disseminate
We’ve always admired Curta mechanical calculators, and would be very hesitant to dismantle one. But [Janus Cycle] did just that — and succeeded. A friend sent him a Curta Model …read more Continue reading Opening a Curta — With Great Care
[Phil Barrett] designed a new CNC controller breakout board called the PicoCNC which uses the Raspberry Pi Pico RP2040 module and grblHAL. It packs a bunch of features typical of …read more Continue reading GrblHAL CNC Controller Based on RP2040 Pico
We’ve all been bitten before by USB cables which were flaky, built for only charging, or just plain broken. With the increased conductor count and complexity of USB Type C, …read more Continue reading USB-C Cable Tester is Compact and Affordable
Want a better way to feed solder, but want to do it on the quick and cheap? Well [ptkrf] has a solution for you in an old instructables post we …read more Continue reading Mechanical Pencil Solder Feeder Hack
Computer engineer [Marco Cilloni] realized a lot of developers today still have trouble dealing with Unicode in their programs, especially in the C/C++ world. He wrote an excellent guide that …read more Continue reading Understanding and Using Unicode
Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR …read more Continue reading Color Can Triple QR Code Capacity
A new wind turbine installed in the Taiwan Strait went online last week, as part of the Fujian offshore wind farm project by the China Three Gorges Corporation (CTG). The …read more Continue reading This Month’s World’s Largest Wind Turbine Goes Operational
[Fran] has been curious about the innards of Tivoli Audio’s Model One radio, but was reluctant to shell out $200 just to tear it apart. But she found one recently …read more Continue reading Tivoli Teardown Disappoints
[Sarah K Marr] dabbles in retrocomputing and has a fascination with the Hewlett Packard HP-45 calculator, the second calculator in HP’s series introduced in 1973. Over a year ago, she …read more Continue reading HP1973 Project Highlights Workings of HP-45 Calculator
[Nathaniel Fairfield] aka [thandal] was curious about the actual rotation and axis tilt of Venus. He decided to spin up at GitHub Python repository to study the issue further, as …read more Continue reading Amateur Estimates of Venusian Day using Arecibo Data