Parallax Inc. is a privately held semiconductor and technology company based in Rocklin, California, USA. Founded in 1986, the company specializes in designing and manufacturing innovative microcontroller units (MCUs), development tools, and educational products. It is particularly well-known for its popular BASIC Stamp microcontroller modules, which have been widely used in education, robotics, and DIY electronics for decades. Parallax is also recognized for its Propeller multicore microcontroller, which features a unique parallel processing architecture ideal for complex embedded applications. The company emphasizes user-friendly development environments and strong community support, making its products accessible to hobbyists, students, and engineers alike. With a focus on innovation and education, Parallax continues to contribute significantly to the embedded systems and electronics learning communities.