Category Archives: Teensy

Is That A Vintage Computer In Your Pocket?

There’s a lot of debate over which of several contenders was the first modern computer. One of those first operating computers was the University of Cambridge’s EDSAC — the brainchild of Dr. Maurice Wilkes. The EDSAC scored a lot of firsts and used a serial data path along with mercury delay line memories. Over on Hackaday.io, [David Boucher] wanted to simulate the EDSAC in a much smaller form factor than the original room full of racks.

As you can see in the video below, he succeeded in that task, using a Teensy and a small LCD display. We’re reminded EDSAC …read more

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Posted in edsac, retrocomputing, Teensy | Leave a comment

RC Controller Becomes XInput Controller

XInput is an API that is used by applications to interface with the Xbox 360 Controller for Windows. The 360 controller became somewhat of a “standard” PC gamepad, and thus many games and applications support the XInput standard.

[James] is working on an entry for a robotics competition, and wanted a controller to use with their PC that was more suited to their build. They took an RC controller, and converted it to work with XInput instead.

The controller in question is the JJRC Q35-01, a trigger-type RC controller available for under $20. The conversion is executed neatly, with the …read more

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Posted in classic hacks, controller, radio control, rc, Teensy, Teensy 3.5, xinput | Leave a comment

An Easy Way To MIDI Sync Your Eurorack Build

Eurorack synthesizer builds are known for a lot of things; simplicity isn’t necessarily one of them. However, not everything on a modular synthesizer build has to be inordinately complicated, a mess of wires, or difficult to understand. [little-scale] has built a neat and tidy module that might just find a place in your setup – the Chromatic Drum Gate Sync. The handy little device is based on a Teensy, and uses its USB MIDI libraries to make synchronizing hardware a snap.

The device has 12 channels, each responding to a single MIDI note. A note on message is used to …read more

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Posted in eurorack, midi, musical hacks, synth, synthesizer, Teensy, usb midi | Leave a comment

Incredibly Heavy Ornament Likely Inappropriate To Hang On Tree

It’s that time of year again, and the Christmas hacks are flooding in thick and fast. To get into the Christmas spirit,  the FoxGuard team wanted a custom ornament to hang from the tree. They may have gotten more than they bargained for.

It’s a simple build that demonstrates the basic techniques of working with DACs and scopes in a charming holiday fashion. A Tektronix T932A analog oscilloscope is pressed into service as a display, by operating in XY mode. A Teensy 3.5 was then chosen for its onboard digital to analog converters, and used to output signals to draw …read more

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Posted in christmas, Holiday Hacks, ornament, oscilloscope, scope, Teensy, Teensy 3.5, tektronix | Leave a comment

Teensy Liberates the ThinkPad Keyboard

[Frank Adams] liked the keyboard on his Lenovo ThinkPad T61 so much that he decided to design an adapter so he could use it over USB with the Teensy microcontroller. He got the Trackpoint working, and along the way managed to add support for a number of other laptop boards as well. Before you know it, he had a full-blown open source project on his hands. Those projects can sneak up on you when you least expect it…

The first step of the process is getting your laptop keyboard of choice connected up to the Teensy, but as you might …read more

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Posted in computer hacks, flexible printed circuit, keyboard, peripherals hacks, Teensy, thinkpad, usb | Leave a comment

Can You Build An Open Source Pocket Operator?

Toys are now musical instruments. Or we’ll just say musical instruments are now toys. You can probably ascribe this recent phenomenon to Frooty Loops or whatever software the kids are using these days, but the truth is that it’s never been easier to lay down a beat. Just press the buttons on a pocket-sized computer.

One of the best examples of the playification of musical instruments is Pocket Operators from Teenage Engineering. They’re remarkable pieces of hardware, and really just a custom segment LCD and a few buttons. They also sound great and you can play real music with them. …read more

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Posted in musical hacks, pocket operator, synthesizer, Teensy, The Hackaday Prize | Leave a comment

Gaze Upon This Daft Punk Helmet’s Rows of Utterly Perfect Hand-Soldered LEDs

The iconic robot helmets of Daft Punk feature prominently as challenging DIY hardware projects in their own right, and the results never disappoint. But [Nathaniel Stepp]’s photo gallery of his own version really sets the bar in both quality and attention to detail. The helmet uses a Teensy 3.2 as the main processor, and the visor consists of 328 hand soldered through-hole APA106 addressable RGB LEDs. A laser cut panel serves as the frame for the LEDs, and it was heat-formed to curve around the helmet and mate into the surrounding frame. Each LED is meticulously hand-soldered, complete with its …read more

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Posted in costume, daft punk, hand soldering, helmet, led, plasti-dip, prop, RGB LED, robot, Teensy, Teensy 3.2, wearable hacks | Leave a comment

Bixel, An Open Source 16×16 Interactive LED Array

The phrase “Go big or go home” is clearly not lost on [Adam Haile] and [Dan Ternes] of Maniacal Labs. For years they’ve been thinking of creating a giant LED matrix where each “pixel” doubled as a physical push button. Now that they’ve built up experience working on other LED projects, they finally decided it was time to take the plunge and create their masterpiece: the Bixel.

Creating the Bixel (a portmanteau of button, and pixel) was no small feat. The epic build is documented in an exceptionally detailed write-up on the team’s site, in addition to the time-lapse video …read more

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Posted in buttons, hardware, LED array, led hacks, shift register, Teensy | Leave a comment

Mademoiselle Pinball Table Gets Rock ‘n Roll Makeover

Once upon a time, there was a music venue/artist collective/effects pedal company that helped redefine industry in Williamsburg, Brooklyn. That place was called Death By Audio. In 2014, it suffered a death by gentrification when Vice Media bought the building that DBA had worked so hard to transform. From the ashes rose the Death By Audio Arcade, which showcases DIY pinball cabinets made by indie artists.

Their most recent creation is called A Place To Bury Strangers (APTBS). It’s built on a 1959 Gottlieb Mademoiselle table and themed around a local noise/shoegaze band of the same name that was deeply …read more

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Posted in darlington array, Gottlieb, Microcontrollers, Neopixels, pinball, repair hacks, Teensy | Leave a comment

Hacked RC Transmitters Control All The Things

If you have lots of RC creations about, each with their own receiver, you’ll know that the cost of a new one for each project can quickly mount up – despite RC receivers being pretty cheap these days. What if you could use a NRF24L01+ module costing less than $3?

That’s just what [Rudolph] has done for his Hackaday Prize entry, rudRemote. Though many people already spin their own RC link with the NRF24 modules, this sets itself apart by being a complete, well thought out solution, easily scalable to a large number of receivers.

The transmitter can be made …read more

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Posted in nRF24L01+, radio hacks, rc, rudremote, Teensy, The Hackaday Prize, transmitter | Leave a comment