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The “Halfway”– A Self-Balancing Scooter
Ready to test drive the “Halfway”. Bike helmet essential for safety. This latest project is the longest and most complicated so far. Over the last several months I’ve been working to put together a...
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MPU-6050 Redux: DMP Data Fusion vs. Complementary Filter
MPU-6050 on GY521 breakout board. I’ve been using the GY-521 IMU breakout board containing Invensense’s MPU-6050 IMU to compute orientation in my self-balancing scooter (the “Halfway”). I’d like to...
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Halloween Photoresistor Circuit
Skeleton with eyes that glow when it gets dark. Here is a simple project we made for Halloween. We used a photoresistor and a couple of LEDs to make a spooky skeleton with eyes that light up when it...
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Building PlotClock
I found a YouTube video of a clock that can draw the time with an erasable pen, then wipe it away before restarting the cycle: There is something very human and endearing about the motion of the arms...
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YAWP – Yet Another Wall Plotter
YAWP Makes Art The Inspiration: I’ve been very slow to create posts these last few months. I like to think it’s not due to laziness, but just that I’ve been so busy playing with other projects....
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Making MeArm
Fully built MeArm with custom controller. MeArm is an open-source robotic arm kit by Benjamin Gray and Jack Howard. They published design files for their robot on Thingiverse and a set of instructions...
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TinyScreen and TinyDuino
TinyScreen displays the Mandelbrot set. A few months ago, I signed up for a Kickstarter for TinyScreen – a minuscule 96×64 pixel screen run by a similarly diminutive TinyDuino, an Arduino clone that is...
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New IMU Library for Arduino- RTIMULib
Obtaining orientation angles can be a challenge. RTIMULib may make things easier. My blog traffic shows that a lot of the visitors are looking for information on IMUs (Inertial Measurement Units) like...
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TinyScreen Case with Buttons
3D Printed necklace case with buttons for TinyScreen I just updated the TinyScreen case I’d 3D printed for my new TinyScreen and TinyDuino. The new version of the case has protruding buttons to help...
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“Life” on a SmartMatrix Board
Custom controller + SmartMatrix board + Teensy 3.1 with SmartMatrix shield = Conway’s Game of Life The SmartMatrix board is a 32×32 RGB pixel RGB display (other sizes are available), and it makes an...
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3D Printed No-Carve Pumpkin Decorations for Halloween
3D printed goggles make the minion. I love Halloween for its spooky and amusing decorations and am always amazed by the creativity people put into making jack-o-lanterns. However, it’s frustrating to...
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Making Uncanny Eyes
Spooky eyes blink, move and even dilate their pupils. My middle son and I have a tradition of incorporating electronics projects into our Halloween costumes. This year we saw the tutorial for Uncanny...
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EtchABot: a CNC Etch A Sketch
EtchABot – a CNC Etch A Sketch EtchABot turns your Etch A Sketch into a CNC (Computer Numerical Control) drawing machine. I’m really excited about this project because of its versatility and its well...
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A Tribute to Mechanized Etch A Sketches on the Internet
Motorized Etch A Sketch from paleotechnologist.net In working on my latest project, a CNC Etch A Sketch, I’ve come across a LOT of similar projects online. There is obviously something very appealing...
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EtchABot Part 2: Vector and Raster Images
This post describes how to draw vector and raster images on an Etch a Sketch with EtchABot. As described previously, EtchABot converts an Etch A Sketch to an versatile, easy-build CNC drawing...
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Entering the IoT with CheerLights and Adafruit Huzzah
CheerLights with Huzzah showing blue. It’s hard to avoid the Internet of Things (IoT) these days. I thought I’d join the trend by starting simply. I was inspired by the CheerLights project, which...
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Tweet My Purse!
Handbag displaying “hi” My goal with this project was to create a wearable electronics project that incorporated the electronics in an organic and subtle way. The end result is a handbag containing a...
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LED Matrix Handbag 2.0 – Coming Soon
I recently made a simpler and more attractive version of the LED Matrix Handbag to bring to the Bay Area Maker Faire. It is far easier to sew than the original, with more streamlined and compact...
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LED Matrix Handbag 2.0 – How To
My previous post describes a handbag containing a Twitter-connected LED matrix. The project was somewhat complicated to assemble – particularly the handbag sewing and construction. This post...
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Apocalyptometer – an IoT Connected Poll Tracking Display
I think I’m not alone in feeling anxious about this election season. My favorite distraction has always been to throw myself into making, so I decided to channel my politically-driven anxiety into a...
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