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Arduino map() Function Guide
thelinuxcode.com/map-function-arduino/Yapay zekadan makale özeti
- Function Overview
- map() function re-maps input values from one range to another
- Converts sensor readings from 0-1023 to 0-100 range automatically
- Scales input values proportionally between specified output bounds
- Syntax and Arguments
- Requires 5 arguments: value, fromLow/fromHigh, toLow/toHigh
- Input range specified by fromLow/fromHigh
- Output range defined by toLow/toHigh
- Usage Examples
- Basic example maps temperature sensor reading to 0-100 range
- Multiple sensor inputs can be mapped to standard outputs
- Can be used for audio effects, motor control, and games
- Best Practices
- Choose appropriate input and output ranges
- Avoid exceeding input range limits
- Smooth noisy data before mapping
- Handle non-linear data with multiple map() statements
- Alternatives
- constrain() function clamps values within range
- Manual interpolation provides more control
- Direct math may be sufficient for some cases