型号 | 分类 | 制造商 | 库存 | 起订 | 价格 | 链接 |
---|---|---|---|---|---|---|
KEYPADS AND KEYBOARDS | 贸泽采购 |
Keypads: Typically 3x3, 4x3, or 4x4 matrix buttons used for numeric input or simple command entry. Common in embedded systems, security panels, and calculators.
Keyboards: Full alphanumeric input devices (e.g., PS/2, USB, or membrane). Used in computers and HMI interfaces.
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