== MiniSumo
- Sharp GP2D12 的主要技术参数如下：（摘自上述应用指南）
- Range 范围: 10 to 80cm
- Update frequency / period 刷新频率/周期: 25Hz / 40ms
- Direction of the measured distance 测距方向性: Very directional, due to the IR LED
- Max admissible angle on flat surface 最大允许角度: > 40°
- Power supply voltage 电源电压: 4.5 to 5.5V
- Noise on the analog output 模拟输出噪音: < 200mV
- Mean consumption 平均功耗: 35mA
- Peak consumption 峰值功耗: about 200mA