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====== Raspberry Pi 3 Startup/Shutdown Button ======
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Using [[https://www.aliexpress.com/item/1pcs-TTP223-TTP223B-Jog-digital-touch-sensor-capacitive-touch-touch-switch-modules-Accessories-for-arduino/32694092023.html|TTP223 Jog Capacitive Touch Switch]], a startup/shutdown button can be mounted on Raspberry Pi 3. Using jumpers, connect GPIO pins 5 and 6 to the ports indicated in the diagram below. The red wire (3V power) to Pin 1 or to Pin 17. If Pins 5 and 6 (Ground) are tight because of some other connections, the alternative is put Ground to either Port 9 or 14. 
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Just touch this side of the touch switch to shut down or turn on the Raspberry Pi microcomputer. \\
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This is how Raspberry Pi Beta PLUS might look like with the touch switch.
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