Double and Unbalanced Electronic Pendulum : 4 Steps - Instructables

Build a High Performance Inverted Pendulum Robot : 15 Steps (with Pictures) - Instructables

Randomly Reacting Pendulums : 4 Steps (with Pictures) - Instructables

Chaotic Double Pendulum : 7 Steps (with Pictures) - Instructables

Another Easier Inverted Pendulum Robot : 11 Steps (with Pictures) - Instructables

Double Spin Solar Pendulum : 4 Steps (with Pictures) - Instructables

JustAPendulum: Open-source Digital Pendulum : 13 Steps - Instructables

Low-cost double pendulum for high-quality data collection with open-source video tracking and analysis - ScienceDirect

Double Spin Solar Pendulum : 4 Steps (with Pictures) - Instructables

Newton´s Pendulum With Electricity : 17 Steps (with Pictures) - Instructables