MPR121 分线电容式触摸传感器模块
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
$5.00
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。





