Category Archives: Microcontrollers

A Battery Sipping Cellular Mailbox Notifier

Like many of us, [Zak Kemble] has an indeterminate number of tiny packages coming his way from all over the globe at any given time. Unfortunately, the somewhat unpredictable nature of the postal service where he lives meant he found himself making a lot of wasted trips out to the …read more

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Posted in cellular network, home hacks, mailbox, Microcontrollers, notification, power management, telegram | Leave a comment

Reverse Engineering Yokis Home Automation Devices

These days, it’s hard to keep track of all the companies that are trying to break into the home automation market. Whether they’re rebrands of somebody else’s product or completely new creations, it seems like every company has at least a few “smart” gadgets for you to choose from. We …read more

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Posted in home automation, home hacks, Microcontrollers, mqtt, NRF24, reverse engineering, Yokis | Leave a comment

A Slightly Bent ESP8266 Sensor Platform

The ability to get professionally manufactured PCBs, at least small ones, for dirt cheap has had a huge impact on the sort of projects we see around these parts. It’s getting to the point where experimenting with PCB enclosures is not only a way to make your next project stand …read more

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Posted in 18650, environmental monitor, ESP8266, Microcontrollers, pcb enclosure, sensors | Leave a comment

Using Lookup Tables to Make the Impossible Possible

Embarrassing confession time: I never learned my multiplication tables in grade school. Sure, I had the easy tables like the twos and the fives down, but if asked what 4 x 7 or 8 x 6 was, I’d draw a blank. As you can imagine, that made me a less …read more

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Posted in 2019 Hackaday Superconference, cons, dictionary, fpga, hash, lookup tables, LUTs, Microcontrollers | Leave a comment

Don’t DIY This Surgical Robot At Home

The LVL1 Hackerspace in Louisville hosted a hackathon for useless and impractical devices a couple of years ago and this makeshift Duh-Vinci Surgical Robot was one of the “successful” results. While it’s not necessarily a project that should ever be used for its intended purpose, its miniature setup is certainly …read more

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Posted in funny, hackathon, Microcontrollers, robotic arm | Leave a comment

Mini Space Station Keeps Tabs on the Real One

Over the years, we’ve seen a number of projects that can blink an LED or otherwise notify you when the International Space Station is overhead. It’s a neat trick that brings space a little closer to home, but not exactly a groundbreaking achievement in 2020. That said, we think this …read more

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Posted in 3d printed, iss, Microcontrollers, notifier, particle photon, solar-powered, space, space station | Leave a comment

AirBass Lets You Jam Wherever

If you play an instrument, you know how rewarding it is to watch and hear yourself reproduce your favorite songs and make new melodies. But you also know how steep the learning curve can be, how difficult it is to learn positions and notes while your body adjusts to the …read more

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Posted in bass guitar, break-beam detector, bruce land, Microcontrollers, musical hacks, pic32 | Leave a comment

A Wireless Method For Pressing Tofu

Tofu is a fairly common food in East and Southeast Asian cuisines, but it has also been making its way around vegetarian circles as a meat substitute. While it may be a more environmentally friendly source of protein than meat, it does have the unfortunate side effect of being fairly …read more

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Posted in 3d Printer hacks, hackathon, Microcontrollers, stepper motor, tofu | Leave a comment

Cat Diner Now Under New Management

Most of these stories start with a cat standing on someone’s chest, begging for food at some obscene hour of the morning. But not this one. Chaz the cat is diabetic, and he needs to get his insulin with breakfast. The problem is that Chaz likes to eat overnight, which …read more

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Posted in automatic cat feeder, lifehacks, Microcontrollers, NodeMCU, servo | Leave a comment

Turning Sounds from a Flute Into Sheet Music

Composing music can be quite difficult – after all, you have to keep in mind all of the elements of musical theory, from time signature and key signature to the correct length for all of the notes. A team of students from Cornell University’s Designing with Microcontrollers class developed a …read more

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Posted in Cornell University, fft, filters, flute, Microcontrollers, music, musical hacks, signals processing | Leave a comment