Author: mqzkf

Digital Electronics

ESP32 HAMSTER WHEEL TRACKER TWEETS workout STATS

even with all the hamster wheel trackers out there (and on this site) there’s room for improvement. [Bogdan] upgraded his hamster wheel from an Arduino and datalogging shield to an ESP32, and unleashed some new capabilities one does not generally associate with hamster wheels. [Bogdan]’s project logs distance in feet, duration of current session in time, RPM, […]

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E-READER FOR NINTENDO DS

7 The e-Reader is an add-on product for the Nintendo game young boy Advance. It has a easy optical card swipe for loading programs off of specially encoded cards. The location of the link port adapter keeps the device from being used with the Nintendo DS. reader [Caitsith2] has posted instructions for modifying the reader […]

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Digital Electronics

FUBARINO CONTEST: MORSE CODE TRANSMITTER

The Fubarino contest entries are slowing streaming in. Here’s the first one that we’re featuring, sent in by [Nathanael Wilson]. He dusted off a project from some time ago, which is just fine with us. It’s a Morse Code transmitter which he designed for use during a fox hunt (locating a hidden transmitter using radio direction finding). For […]

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SCRATCH-BUILT bottle CAP COFFEE TABLE PULSES TO THE music

This isn’t a thrift-store coffee table customized as a craft project. [Dandujmich] developed it from the ground-up utilizing framing lumber, bottle caps, plastic resin, as well as some electronics for bling. The very first step was to see if he had sufficient caps on hand for the project. It’s difficult to grasp exactly how many […]

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LINE following ROBOT

[Greg] has been doing a great job updating diy Live. the latest entry details a line following robot. These bots are quite common, but Greg provides really thorough coverage of all of the details involved. His particular design features two separate sensors and when the robot reaches the end of the line it will reverse, […]

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Digital Electronics

MUSIC-LOVING BEAGLEBONE

Robotic control can get very complicated when multiple actuators need to work in coordination with each other. A basic robotic arm will require each joint to be controlled in sequence to obtain a particular position. The BeagleBone Blue comes armed with motor drivers, sensor inputs, and wireless and is built for robotics. [Andy] has prepared a musical […]

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Digital Electronics

RICKROLLED BY REDBULL

As you’ve already seen, we’ve been invited to participate in the Redbull creation contest. While we were deep into our work today, hacking things apart and soldering things together while trying not to blow ourselves up, we received a second package! It had a hand written note explaining that this was the last of its […]

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Digital Electronics

LTE IMSI CATCHER

GSM IMSI catchers preyed on a cryptographic misstep in the GSM protocol. but we have LTE now, why worry? no one has an LTE IMSI catcher, right? Wrong. [Domi] is here with a software-defined base transceiver station that will catch your IMSI faster than you can say “stingray” (YouTube video, embedded below). First of all, […]

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E-INK display DRIVEN diy

E-ink displays are awesome. Humans spent centuries reading non-backlit devices, and frankly it’s a lot much easier on the eyes. but have you looked into driving one of these critters yourself? It’s a nightmare. So chapeau! to [Julien] for his FPGA-based implementation that not only uses our favorite open-source FPGA toolchain, and serves as an […]

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