Human Body Reaction Speed Test Board Full Parts Kit for Digital Circuit DIY Description This full parts kit provides everything needed to build a digital human reaction speed test board. Designed for hobbyists, students, and electronics makers, the kit combines a ready PCB design and the electronic parts required to assemble a functional reaction timer. The finished device measures and displays user response times, making it useful for practical learning, classroom demonstrations, and handson circuit practice. Key benefits Teaches core electronics concepts through handson assembly and testing. Users learn about digital circuits, input sensing, timing, and output display. Provides a complete kit so you can focus on building and learning rather than sourcing parts. Compact and practical for bench use, demonstrations, and portable experiments. Useful for developing fine soldering and assembly skills in a lowrisk project. Features and attributes Function: Digital reaction speed test board that records and displays human response times for buttonpress events. Kit composition: Full set of parts for assembly of the reaction speed test circuit provided as a DIY kit. Compatibility: Suitable for educational labs, maker spaces, electronics courses, and individual hobby projects. Works with standard soldering tools and bench equipment used for small electronics projects. Size and form factor: Compact PCB design intended for desktop use and simple mounting; designed to fit typical hobby project enclosures. Material and build: Standard PCB substrate and common electronic components used in consumer DIY electronics for reliable assembly and testing. Performance: Designed to provide measurable digital timing results appropriate for learning and demonstration of human reaction measurements. Practical use scenarios Classroom lab: Instructive project for an electronics or physics lab that demonstrates timing circuits, input detection, and digital display principles. Maker workshop: Handson build for hobbyists who want to practice soldering and understand how timing and input circuits work in a finished device. Demonstration and testing: Use at events or demonstrations to show human response time differences, circuit function, and the effects of stimulus and reaction in a visible way. What you get A complete parts kit to assemble the digital human reaction speed test board, enabling straightforward construction and testing of the circuit. Notes Intended as an educational and hobby electronics project. Requires basic soldering tools and safe handling of electronic components during assembly.