10. How to Create a GPIO Input for ARM MCUs - Tutorial on Push Button Input and LED Output

Please watch: "Buildyourcnc CNC Router on Love Yurts" https://www.youtube.com/watch?v=90KkIO-67Qk --~-- Patrick's Tip Jar: bitcoin:1Gtawd29Sgu5CdvfUnkRg1YBfowCawjFdH Ether:0xa962365100011B79097A7bb9DD51A53eE98266bb If you have found this video to be helpful, consider making a tip. Thanks. In this tutorial video, the GPIO (General Purpose Input/Output) input will be explained and a circuit put together. A push button switch will be installed on port B pin 1 and an LED will be installed on Port C Pin 6. The circuit and passive components (in this case, various resistors) are introduced and explained how they connect to the microcontroller and how the input pin is protected and why it is necessary to pull the pin down to ground.

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