10 × MPR121 Breakout v12 — Proximity capacitive touch sensor controller development boards Key benefits Ready-to-use breakout boards that bring proximity capacitive touch sensing into your projects quickly. Streamlines keyboard development by providing precise, repeatable touch sensing hardware. v12 hardware improvements deliver enhanced performance and reliability compared with earlier revisions. Pack of 10 enables parallel prototyping, batch testing, or multi-key development without repeated module purchases. Designed to reduce integration effort so you can focus on firmware and user experience. Core attributes Function: Proximity capacitive touch sensing using the MPR121 controller on a breakout/development board. Model and quantity: MPR121 Breakout v12, 10 pieces. Form factor: Breakout/development board format for straightforward integration into electronic projects and prototypes. Performance: v12 revision tuned for stable, reliable touch detection during development and testing. Usage focus: Ideal for prototyping and exploring capacitive touch applications, including keyboard projects. How this solves common development problems Faster iteration: Multiple identical boards allow simultaneous testing of layouts, thresholds, and firmware changes. Reduced integration friction: Breakout format simplifies wiring and mounting compared with bare ICs, saving setup time. Consistent sensing: The v12 revision reduces variability and improves reliability across prototypes. Practical use scenarios Keyboard development: Build and test multi-key layouts, tune sensitivity and debounce behavior, and validate user experience across a set of keys. Rapid prototyping of touch controls: Create and iterate on control panels or touch interfaces for consumer devices or prototypes. Experimental projects and installations: Add capacitive touch inputs to interactive exhibits, proof-of-concept devices, or small batch products. What you receive Ten (10) MPR121 Breakout v12 boards — proximity capacitive touch sensor controller development modules ready for integration and testing. No additional specifications are added or omitted beyond the stated model, function, and quantity.