Nano Expansion Board
Nano Expansion Board
SKU: Grade Level: 6-12 | SKU: 945-EX12
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The Nano I/O Expansion Board is a powerful breakout shield designed to pair with your TechBox Nano (or Arduino-compatible Nano board). It expands your connection options and simplifies wiring by bringing all the digital, analog, PWM and I²C pins out in a breadboard-friendly format — making it ideal for classroom prototyping, clean breadboard setups, and rapid wiring changes.
What’s Included:
- Nano I/O Expansion Board (fits Nano V2/V3) – Breakout shield mapping all major I/O lines, power rails, and communication headers for the Nano board.
- Pre-soldered Standoffs / Headers – Standard male headers installed for fast plug-in of the Nano and easy connection of jumper wires or breadboard leads.
Board Features:
- Full I/O Breakout – All digital I/O pins, 8 analog inputs, 6 PWM pins and dedicated ground & power rails are brought out for classroom-ready wiring.
- I²C & Communication Headers – Includes clearly labeled SDA/SCL, RX/TX, and other communication ports to streamline sensor and module integration.
- Power & GND Rails – Convenient 3.3 V, 5 V, VIN, and GND rails help you power sensors, modules or bread-board components without complex wiring.
- Breadboard-Friendly Layout – Pin spacing and labels match standard 0.1″ jumper wires and breadboards, making it ideal for student kits and kits inside project enclosures.
- Robust Build for Classroom Use – Durable PCB design with clear silkscreen labeling and standardized headers helps reduce errors and downtime when students swap boards or build repeater lessons.
Product Dimensions:
- (x1) – Approx. 2.28″ L × 2.1″ W × 0.31″ H (58 × 53.6 × 8mm)

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Real feedback from educators using TechBox.
"My students had such a great time with their Tech Boxes. Many, were so excited to accomplish the task that they were ready to take them home to continue the lesson.
You know what else was cool? All the kids who were running around after the lesson with Tech Boxes in their arms bragging to other students and fielding questions about them - they were so excited and proud!"
Educator, DuPont Manual High School, Louisville KY
"TechBox offered the hands-on interactive & educational component to Centre College's high school STEM camp that we needed! The Laser Stem Matrix introduced the students to wiring bread boards and programming, and it sparked the interest of some potential engineers in the group! With a range of exposure to technology and electronics, TechBox was able to meet the needs of everyone - from the beginner to the experienced. The instructions were easy to follow and offered educational lessons throughout for those who had less experience."
STEM Summer Camp Instructor, Centre College (KY)
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