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Capacitive touch sensor

Capacitive touch sensor - Raspberry Pi教程

课程: Raspberry Pi Weekly

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Capacitive touch sensor

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- [Instructor] If you've ever made a kiosk or game console, you're well-aware of the beating inflicted on any user interface, buttons, keyboards, or joysticks. Or perhaps you're trying to protect your Raspberry Pi from water. Wouldn't it be nice to have a button with no moving parts? And that's what a capacitive sensor can do for you. This week, let's look at interfacing a touch sensor with the Raspberry Pi. Hi, I'm Mark Niemann-Ross, and welcome to this week's edition of Raspberry Pi Weekly. Every week, we explore the Raspberry Pi and share useful tips. This is actually a pretty simple project. You'll need an AT42QT1070 chip or equivalent to read the sensors. This one happens to be a 5-pad, but you can get them up to 12-pad. In most cases, the chip will be mounted on a clearly labeled breakout board. There are several versions. Mine only has five and no I2C. You will have to do a bit of soldering to connect wires to…

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