ESP32 Becomes Modern Controller for A 1960s Clock

These days, everything’s got a clock in it, and a good proportion of those clocks are automatically syncronized to high-accuracy Internet time servers. Back in the past, things weren’t so easy. Often, institutions that required accurate time would use a single highly-accurate primary clock to drive a series of secondary …read more

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Choosing The Right RTC For Your Project

When it comes to measuring time on microcontrollers, there’s plenty of ways to go about things. For most quick and dirty purposes, such as debounce delays or other wait states, merely counting away a few cycles of the main clock will serve the purpose.  Accurate to the tens of milliseconds, …read more

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Robot Cat Takes Inspiration From Nature

Oftentimes, a project starts with a clean sheet of paper, and we set out wildly sketching towards the goal in our minds. However, it can pay to do your research first, as [Chen Liang] demonstrates with this great robotic cat build.

[Liang] began the project after being dissatisfied with existing …read more

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New Controllers On Old Nintendos With USB64

The Nintendo 64 made a big splash when it launched in 1996, not least of all for its innovative controller. Featuring a never-before-or-since seen trident design, and with an analog stick smack bang in the center, it changed what gamers expected from consoles from that day forward. Of course, those …read more

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Eight Motors Can Sure Pump A Lot Of Water

Once upon a time, 3D printing was more of a curiosity than a powerful tool, with many printing trinkets and tchotchkes rather than anything of real use. However, over the years as technology and techniques have progressed, we now see more application-ready builds. This water pump from [Let’s Print] is …read more

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PC Cases Are Still Stuck In The Dark Ages, But We Can Fix This

In the dawning of the IBM PC era, the computer case was a heavy, stout thing. These were industrial machines, built with beefy paddle power switches, and weighing as much as a ton of bricks. Painted in only the ugliest beige, they set the tone for PC design for the …read more

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Food Dispenser Shakes And Rattles

[Elite Worm] follows a strict diet that involves regularly mixing dry ingredients in varying proportions. The task grew tedious, and thus automation became a tantalising prospect. Enter the DIY shaking food dispenser.

The machine has a simple touch screen interface, with an Atmega328P running the show behind the scenes. The …read more

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Rocket Plane Build Aims For High Speed Flight

[James Whomsley] likes flying, and likes flying fast. After reaching a speed of 114 miles an hour with an RC plane, he wanted to go further and break that record. To do so, he looked towards rocket power, and started a new build.

The design consists of a combination of …read more

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