Category Archives: misc hacks

Arduino Bot Rocks A PS2 Controller

As far as controlling robots goes, makers today are spoilt for choice. WiFi and Bluetooth enabled microcontrollers are a dime a dozen, and integration with smartphone apps is a cinch. Despite this, the old methods still hold sway, as [Igor Fonseca] demonstrates with a simple Arduino bot.

It’s a classic …read more

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Posted in Arduino Uno, misc hacks, playstation 2 | Leave a comment

The Benefits And Pitfalls Of Using PCBs As An Enclosure

[Mastro Gippo] found himself in a pickle recently, with the development of an enclosure for the Prism electric vehicle charger. The body had been sorted out, but the front cover needed work. It had to be visually appealing, and ideally should provide the user feedback on the charging process. After …read more

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Posted in misc hacks, pcb | Leave a comment

Walking Arm Trebuchet Is Different, But Effective

For many of us, our first encounter with the famous trebuchet was Age of Empires II, or perhaps a documentary on historical siege engines. However, many people continue to pursue builds of their very own, exploring designs new and old. The walking arm trebuchet is a good example, which uses …read more

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Posted in misc hacks, pumpkin, pumpkins, trebuchet | Leave a comment

Homebrew Oscillator Is In a Glass By Itself

Great things happen when we challenge ourselves. But when someone else says ‘I bet you can’t’ and you manage to pull it off, the reward is even greater. After [WilkoL] successfully made a tuning fork oscillator, his brother challenged him to make one out of a wine glass. We’ll drink …read more

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Posted in laser hacks, misc hacks, oscillator, phototransistor, wine glass, wine glass oscillator | Leave a comment

Capture a Star in a Jar with Sonoluminescence

If nothing else, [Justin Atkin] is persistent. How else do you explain a five-year quest to create sonoluminescence with simple tools?

So what exactly is sonoluminescence? The short answer is as the name suggests: a release of light caused by sound. In [Justin]’s case, he used an ultrasonic transducer to …read more

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Posted in cavitation, LC circuit, misc hacks, sonoluminescence, transducer, ultrasonic, ultrasound | Leave a comment

3D-Printed Film Scanner Brings Family Memories Back to Life

There is a treasure trove of history locked away in closets and attics, where old shoeboxes hold reels of movie film shot by amateur cinematographers. They captured children’s first steps, family vacations, and parties where [Uncle Bill] was getting up to his usual antics. Little of what was captured on …read more

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Posted in digital cameras hacks, digitize, ffmpeg, film, machine vision, misc hacks, movie, opencv, Pi Cam, Raspberry Pi, scanner | Leave a comment

Race RC Cars From Anywhere On Earth

Racing games have come a long way over the years. From basic 2D sprite-based titles, they’ve evolved to incorporate advanced engines with highly realistic simulated physics that can even be used to help develop real-world automobiles. For [Surrogate.tv], that still wasn’t quite good enough, so they decided to create something …read more

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Posted in ESP8266, GoPro, low latency, misc hacks, RACE, radio control, rc, toy hacks | Leave a comment

Experiments In 3D Graphics Via Excel

3D graphics were once the domain of university research groups and large, specialized computing systems. Eventually, they were tamed and became mainstream. Your phone, tablet, and home computer are all perfectly capable of generating moving 3D graphics. Incidentally, so is Microsoft Excel.

This is the work of of [s0lly], who …read more

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Posted in 3d engine, 3d rendering, excel, misc hacks, ray tracing | Leave a comment

How The Power Gets To The Outlet

[Practical Engineering] is ready to explain how power substations get electricity to you in his latest video, which you can see below.  One of the things we always notice when talking to people either in our community or outside it is that most people have no idea how most of …read more

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Posted in breaker, electricity, fuse, grid, home hacks, misc hacks, recloser, substation | Leave a comment

Finely Machined Valve Controls Miniature RC Hydraulics

Hydraulic components are the industrial power transmission version of LEGO. Pumps, cylinders, valves – pretty much everything is standardized, and fitting out a working system is a matter of picking the right parts and just plumbing everything together. That’s fine if you want to build an excavator or a dump …read more

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Posted in cylinder, hydraulics, machining, misc hacks, proportional, rotary, spool, valve | Leave a comment