So, my google fu is failing me. Im after something to detect people walking up to the house and sounding a beeper inside the house. Im thinking something like you see in small shops….
I deffo dont want anything that needs internet, computers, IoT etc.
Any pointers, before i go down the road of making my own….
I deffo dont want anything that needs internet, computers, IoT etc.
Any pointers, before i go down the road of making my own….
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