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A comment on Building an occupancy sensor with a $5 ESP32 and a serverless DB. Parent comment

Re:Building an occupancy sensor with a $5 ESP32 and a server... by morphle on Monday November 13, 2023 @03:03PM (#38254629)
I designed my own chip for €,03 , a 180nm 8 core microcontroller with builtin moisture and other sensors. Minimal volume is 800.000 chips.
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