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How to use DHT11 with PIC18F
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After Start signal, DHT11 will transmit the response indicating it's presence. The response consists of a 80us LOW, followed by 80us HIGH.
DS18B20 and STM32
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The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with non-volatile user-programmable upper and lower trigger points.
PIR sensor with STM32
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We can adjust delay time to Set how long the output remains high after detecting motion.... Anywhere from 5 seconds to 5 minutes. Similarly sensitivity adjusts the range from 3 to 7 meters.
Retrigger setting jumper is to set for single or repeatable jumpers.