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 …
Tech-Based Activities for Grownups and Kids
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 …
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 gets dark …
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 improve the scooter’s performance on hills and …
This latest project is the longest and most complicated so far. Over the last several months I’ve been working to put together a Segway-like self-balancing scooter, aka the “Halfway”. Many …
I was recently forwarded a link to the soon-to-be released Pi-Bot robot kit. The Pi-Bot’s Kickstarter campaign is fully funded and is estimated to ship this June. This robot kit …
A Math/Science activity night is coming up at my kids’ elementary school, requiring a 30 minute class project. I decided to check out squishy circuits. They consist of two kinds …
I am learning to weld. I am making a metal frame, and am cutting, drilling and welding stainless steel tubing. I’d really like the results to be precise, so it …
I recently received some e-textile components in the mail from an Italian company called Plug and Wear (www.plugandwear.com). In the interest of full disclosure, I should state that the company …
After last week’s frustration with the Printrbot Simple, we were on the verge of returning it and looking for a different model. Research revealed, however, that there was no other …
The travails of our Printrbot assembly continue (see previous post for background). On about August 20, I’d contacted Printrbot via the support page on their website about the faulty cable …