BeaglePlay is an open-source single board computer designed to simplify the process of adding sensors, actuators, indicators, human interfaces, and connectivity to a reliable embedded system. It features a powerful 64-bit, quad-core processor and innovative connectivity options, including Wi-Fi, Gigabit Ethernet, sub-GHz wireless, and single-pair Ethernet with power-over-data-line. With compatibility with 1,000s of off-the-shelf add-ons and a customized Debian Linux image, BeaglePlay makes expansion and customization easy. It also includes ribbon-cable connections for cameras and touch-screen displays, and a socket for a battery-backed real-time-clock, making it ideal for human-machine interface designs. With its competitive price and user-friendly design, BeaglePlay provides a positive development experience for users.