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MPR121 分线电容式触摸传感器模块
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¥36.00
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MPR121 分线电容式触摸传感器模块 被订购，并将一旦恢复库存就会发货。
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MPR121 分线电容式触摸传感器模块
¥36.00
MPR121QR2 分线板是 Freescale MPR121QR2 电容式触摸传感器控制器的便捷接口。它通过 I2C 进行通信，最多可管理 12 个独立电极。以下是主要功能和规格：
特征：
电容式触摸传感器控制器
I2C 接口用于通信
控制最多十二个独立电极
模拟第十三个电极
八个LED驱动引脚（可配置为电极或用于驱动LED）
用于设置 I2C 地址的地址跳线（默认值：0x5A）
带有 10K 上拉电阻的 SDA、SCL 和中断引脚跳线
工作电压：2.5V至3.6VDC
VREG 引脚电压为 2.5V，并带有 0.1uF 电容接地
规格：
材质：合金+塑料
应用：电容式触摸传感器控制器
工作电压：2.5-3.6V
尺寸：6 厘米 x 3 厘米 x 2 厘米
笔记：
该板没有自己的电压调节器，因此供电电压应在 2.5 至 3.6VDC 之间。VREG 引脚设置为 2.5V。
该分线板提供了一种简单而有效的方法来利用 MPR121QR2 电容式触摸传感器控制器的功能，使其适用于涉及触摸感应和控制的各种应用。
