Sound Sensor
other • 1 pcs
- Set number
- 9845-1
- Availability
- In production
- Pieces
- 1
- Original RRP
- $34.99
- Released
- 2006
- Theme
- Other
- Barcode
- 5702014496224
Where to find one
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Where it came from
The 9845 Sound Sensor was released as part of the LEGO Education line, specifically designed to expand the functional capabilities of the RCX programmable brick within the Robotics Invention System and early Mindstorms ecosystems. Developed during the late 1990s as interest in educational robotics surged, the sensor allowed students to trigger actions based on ambient noise levels, introducing fundamental concepts of automated response and threshold-based logic in a classroom setting.
The design prioritizes industrial utility over aesthetics, featuring a standard LEGO Technic interface that allows it to be integrated into complex builds. Its development team focused on ruggedness and compatibility with the existing RCX hardware, ensuring that the sensor remained responsive in varied academic environments. It was generally received as a vital component for hobbyist engineers and educators who sought to move beyond simple touch or light sensors to create more reactive, autonomous robotic models.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
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About Sound Sensor
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