Author Archives: peter

Stilt Pants Planning

This blog hasn’t really contained much of my circus or sewing hobbies. That changes today I guess. These entries will document my process for developing a set of stilt pants for my dear friend. She is currently borrowing a pair, … Continue reading

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Egg Robot Cyclops (v3)

Egg Robot is a Cyclops! Making the Egg Robot (Ham-Steak) into a credible toy means not leaving the internals dangling around where they could be damaged. Version 3 of the Egg Robot adds front and rear covers that protect the … Continue reading

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Out of Control PIDs

This week’s post is less of a how-to and more of a “how-to?” I’ve got some ideas about the basics of PID controls, but this system is giving me trouble. I updated the PID control system on Egg-Bot Version 2. … Continue reading

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1-D Egg Robot – Version 2

This week I made some changes to the Egg Bot and named it version 2 (even though it’s really a version 1.5 probably). I combined the servo and circuit board mounting into a single bracket, printed the new bracket, and … Continue reading

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Egg Robot – 1-Dimensional Balancing Robot

Presenting the Egg Robot (aka “ham steak”), a 1-dimensional balancing robot. The main purpose of the robot is to balance at different angles. The balancing will be accomplished by adjusting the center of gravity of the robot using a weighted … Continue reading

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Emotive Eyes Complete

This is the completed first version of the emotive eyes project. It was successful in that it was motivation to re-calibrate my 3d printer and make some modular eyes for future projects. I am not really satisfied with the animations … Continue reading

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Emotive Robotics – Expressive Eyes

Today’s project is making “expressive” eyes. Eyes can serve dual functions: in addition to observing the world around you, in many animals they also serve to express interest or other emotions. In this project I am focusing on the latter, … Continue reading

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Piratey Trapeze and Juggling Spectacular!

Follows is a video of my performance of a Piratey Trapeze and Juggling routine at the Commonwealth Circus Center (C3) Fall 2023 show in Boston, MA. Video credits to C3 community member Jordan Cox/Beren Jones. Special thanks goes to my … Continue reading

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Micro ROS on the Pololu 3pi+2040, Part 2

In the previous post, I demonstrated a very basic micro ROS implementation running on the Pololu 3pi+ 2040. This post expands upon that demonstration to include battery sensor telemetry. Step 3: Pololu 3pi+ 2040 Sensor Telemetry to micro ROS In … Continue reading

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Micro ROS on the Pololu 3pi+2040

The Pololu 3pi+2040 is a very capable (and adorable) mobile robotics experimentation platform sporting the powerful Raspberry Pi RP2040 microcontroller. The ROS 2 robot operating system is the standard platform for mobile robotics, providing reliable publisher-subscriber communication, simulation and visualization. … Continue reading

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