Technical Specifications
- Key Layout: 4×4 Matrix (16 keys)
- Keys: 0-9, A, B, C, D, *, #
- Interface: 8-pin (row + column scanning)
- Operating Voltage: 3.3V – 5V DC
- Cable: Pre-attached flexible ribbon cable with connector
- Dimensions: Compact square module
- Current Consumption: Extremely low (passive)
















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