DHT11 Sensor Library for Raspberry Pi Pico. More...

#include "pico/stdlib.h"

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Variables
const int	THRESHOLD = 7
	Threshold for differentiating between bit 0 and bit 1 during DHT11 data transmission.

const int	POLLING_LIMIT = 50
	Maximum number of polling attempts during DHT11 data transmission.

const int	TRANSMISSION_ERROR = -999
	Error value returned when there is a transmission error during DHT11 data reading.

const long long	RH_INT_MASK = 0xFF00000000
	Bit mask to extract the integer part of relative humidity from the raw data.

const long long	RH_DEC_MASK = 0x00FF000000
	Bit mask to extract the decimal part of relative humidity from the raw data.

const long long	TEMP_INT_MASK = 0x0000FF0000
	Bit mask to extract the integer part of temperature from the raw data.

const long long	TEMP_DEC_MASK = 0x000000FF00
	Bit mask to extract the decimal part of temperature from the raw data.

const long long	CHECKSUM_MASK = 0x00000000FF
	Bit mask to extract the checksum from the raw data.

Detailed Description

DHT11 Sensor Library for Raspberry Pi Pico.

This library provides a set of functions to interface with the DHT11 temperature and humidity sensor on the Raspberry Pi Pico microcontroller.

Definition in file dht11-pico.h.

Classes