pi/FridgeSensor: Project for the ESP32 project that can sense that the fridge is open, and warn about it. @ c6fb02938c0d9c1c7d64843157e8f9e6cfb657a8

Thomas Chef c6fb02938c Added PWM Sound. Not so good		vor 6 Monaten
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CMakeLists.txt	c6fb02938c Added PWM Sound. Not so good	vor 6 Monaten
Kconfig.projbuild	ffc133f1ff Copy of blink project	vor 6 Monaten
component.mk	ffc133f1ff Copy of blink project	vor 6 Monaten
main.c	c6fb02938c Added PWM Sound. Not so good	vor 6 Monaten
sound.c	c6fb02938c Added PWM Sound. Not so good	vor 6 Monaten
sound.h	c6fb02938c Added PWM Sound. Not so good	vor 6 Monaten