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Time's Almost Up for the Low-Power Challenge

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hackaday.com

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newsletter@hackaday.com

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Wed, Mar 15, 2023 03:47 PM

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There's less than a week left in the Low-Power Challenge -- don't miss your chance to enter. Still S

There's less than a week left in the Low-Power Challenge -- don't miss your chance to enter. [3602421454791242043.png] Wednesday, March 15, 2023 [Functional Satellite Sculpture Beams Images with Solar Power »]( Still Some Juice Left... It's hard to believe, but we've got less than a week left in the Low-Power Challenge. If you've been waiting for the perfect time to throw together your last-minute entry in dramatic fashion, your moment is coming up quick. Don't worry though, experience tells us that you're not alone -- we're betting many a hacker will be toiling away at their entry during this final weekend of the competition. Why? Because as we said at the start of the [2023 Low-Power Challenge]( few things seem to motivate hackers quite like an ultimatum. Doubly so if it's maybe a little bit unreasonable. After all, in this day and age of high-capacity lithium-ion batteries and rapid USB-C charging, why spend the time and effort to optimize your hardware's power consumption? [2023 Low-Power Challenge]( Of course, the answer is simple. You won't always have a handy wall outlet or massive li-ion battery pack to plug your gadget into. There's plenty of times when all you'll have is a finite amount of energy, and anything you can do to squeeze out a bit more runtime is fair game. Take for example a remote weather station that needs to survive in the elements for as long as possible. Though even if your hardware is going to spend its life sitting on a shelf plugged into the wall, that shouldn't be a license to waste power. We've got a bit too much of that going on in the industry already, if you ask us. So whether or not you plan on throwing your electronic hat into this particular virtual ring, we think you'd do well to look through the entries (and the winners, especially). Undoubtedly you'll learn some tips and tricks to help keep your own hardware going, and going, and going -- just like a certain copyrighted pink bunny that we won't name. We don't have those winners yet, but in the meantime, you can take a look at some of the newest entries for the Low-Power Challenge. Remember, you've still some time to put your own masterpiece together if you suddenly find yourself inspired by this latest wave of power-sipping gadgetry. Highlights from the IO POPULAR BITS [project thumbnail]( [Shelf Label Turned Clock]( [Aaron Christophel] dropped this beauty in the contest recently, which combines two devices he loves hacking on: energy efficient e-paper displays and nRF52832 radios. This clock can run for up to a year on a single 18650 cell, thanks to some clever code that only updates the parts of the screen that need to be changed each minute. [project thumbnail]( [Attack of the Solar LCD Creatures]( In bright light these little beasts are full of activity, thanks to a ATtiny85 and an LCD that shows either randomized patterns or a tiny version of Conway's Game of Life. When it starts getting darker, they start intermittently blinking an LED like a firefly on a summer's night. [project thumbnail]( [High Efficiency Home Monitoring]( Hackers love environmental sensors and home automation, so it's no surprise a device like Hermetis would show up in the contest. Packing a plethora of sensors, this handsome e-paper device can report on conditions within your home over its LoRa radio. What you do with that data after that is up to you. Hack Chat LIVE CHAT WITH LEADING EXPERTS EVERY WEDNESDAY You Should Host a Hack Chat! If you've been thinking about hosting a Hack Chat, here's your chance. Do you work in an interesting field that people would love to hear about? Do you have a cool project you're working on? Or maybe there's just something you'd like to discuss? Then host a Hack Chat! Check out [our FAQ]( for all the details. And if there's someone you're just dying to see on the Hack Chat, let us know and we'll try to make it happen. [Send us your ideas](mailto:tips@hackaday.com?subject=Hack Chat Tip) and we'll see what we can do. Featured Projects POPULAR BITS [This Satellite-Enabled Tracker Can Go 8 Months Between Charges]( [When All You Need is a Little Light, This Board Keeps It Coming]( [Devilish Electronic Pet Doubles as a Low-Power Development Platform]( [This nRF52840 Sensor Tag Lasts Up to 3 Years on a Coin Cell]( Live Events MEETUPS, CONFERENCES AND WORKSHOPS [Trenton Computer Festival - Mar. 18]( The longest running computer festival in the world will return for its 47th year in 2023. There's a full day of talks and workshops planned, with a streaming component for those who can't make the trip to The College of New Jersey (TCNJ) in person, plus an electronic flea market full of treasures. [Los Angeles Maker Faire - Apr. 1]( The downtown LA Mini Maker Faire returns for its third year, this time at the Los Angeles State Historic Park. Mark your calendars and fire up your soldering irons now. Don't you want to have something to show off? [VCF East - Apr. 14 - 16]( The Vintage Computer Festival East will be a hybrid event, with talks streamed worldwide from the InfoAge Science and History Museum in Wall, New Jersey. An absolute must-see event for anyone with a love of vintage hardware. [OSHW Summit 2023 - Apr. 28 - 29]( This year's Open Source Hardware Summit will be held in New York, both remotely and in person. More details to come. [twitter]( [facebook]( [instagram]( [Terms of Use]( [Privacy Policy]( [Hackaday.io]( [Hackaday.com]( This email was sent to {EMAIL} [why did I get this?]( [unsubscribe from this list]( [update subscription preferences]( Hackaday · 61 South Fair Oaks Avenue · Suite 200 · Pasadena, CA 91105 · USA

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