有哪些低成本的传感器支持模拟信号输出? - V2EX

有哪些低成本的传感器支持模拟信号输出? - V2EX

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输入电压 3.3v 或 5v,理想情况是元件自身输出电压最小值为 0,输出电压最大值和输入电压一样(要线性变化)

试过霍尔线性传感器和光敏电阻输出都有 0.x 伏电压, 电位器虽然可以, 但使用寿命对比前 2 个元件实在太低了.

1 replies 2025-04-26 01:07:33 +08:00

1

mobyw

Apr 26, 2025

可以用数字电位器
如果是为了测试用的话搞个 DAC 或者带 DAC 的单片机就可以了

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