Monthly Archives: December 2021

PICHI X2 Pocket Tool

 | Pledge | Link The highlight of this compact titanium multitool is its adjustable wrench which grips more than 20 different sizes of nuts and bolts. It also has a flip-out utility knife with replaceable No.11 surgical blades, a pry bar, a 1/4″ … Continue reading

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A Comprehensive Beginners Guide to HRPT Weather Satellite Reception

Over on his blog Derek (OK9SGC) has recently uploaded a very comprehensive beginners guide to receiving HRPT weather satellite images. HRPT reception can be a little daunting as it requires a good L-Band dish setup which involves choosing and building … Continue reading

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New Holographic Display Hacks the Light Field

[Petapixel] has an interesting post about a startup company’s new holographic display that claims to be “indistinguishable from reality.” The company behind it, Light Field Labs, claims their system requires no glasses and handles different angles. You can see a … Continue reading

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Stencil Vacuum-Assist Helps Avoid the Heartbreak of Smeared Solder Paste

While using a stencil should make solder paste application onto PCBs a simple affair, there are a number of “gotchas” that make it more art than science. Luckily, there are tools you can build, like this 3D-printed vacuum-assist stencil jig, … Continue reading

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Browser Based Weather Station Graphs via RTL-SDR, rtl_433 and Dash.plotly

Thank you to Gerrit Polder who has submitted his project where he has used an RTL-SDR and the rtl_433 decoder running on a Raspberry Pi, along with some custom software to create a browser based dashboard for his wireless weather … Continue reading

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Pip-Boy 2040 Wrist-Mounted Prop

Prep your wrist for the apocalypse! Build your own small form-factor, Fallout-inspired Pip-Boy with Feather RP2040 and CircuitPython. You can make this prop wrist-computer for cosplay, or for general stylishness all the time. Swap graphic screens on the beautiful round … Continue reading

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RC Sub Built With A Water Bottle

Submarines are one of the harder modes of transport to build in radio-controlled form. Doing so involves tangling with sealing electronics from water ingress and finding a way to control the thing underwater. It’s a challenge, but one relished by … Continue reading

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Bird songs bump stars off Australian music chart

One in six Australian birds are now threatened, according to a study by Charles Darwin University – that is, 216 out of 1,299 species. The study, which included input from more than 300 bird experts, found that climate change is … Continue reading

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This App Blows Out Candles

Link It’s not hard to blow out a candle, so the idea of an app that does it for you seems rather silly. Still, it’s a neat party trick. The Action Lab takes a look at the iOS app Blower … Continue reading

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Sky Watcher Tourbillon Clock

 | Buy | Link This unique mechanical clock model features a spherical tourbillon at its top that rotates on three axes. A spring-wound mechanism provides up to 3 hours of power for the tourbillon and the hour and minute reels at the bottom … Continue reading

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