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DHT11

MICROBOT
Part Number DHT11
Manufacturer MICROBOT
Description Humidity and Temperature Digital Sensor
Published Mar 11, 2014
Detailed Description Name: DHT11 Humidity and Temperature Digital Sensor Code: MR003-005.1 This board is a breakout board for the DHT11 sen...
Datasheet PDF File DHT11 PDF File

DHT11
DHT11

Overview
Name: DHT11 Humidity and Temperature Digital Sensor Code: MR003-005.
1 This board is a breakout board for the DHT11 sensor and gives a digital output that is proportional to temperature and humidity measured by the sensor.
Technology used to produce the DHT11 sensor grants high reliability, excellent long-term stability and very fast response time.
Each DHT11 element is accurately calibrated in the laboratory.
Calibration coefficient is stored in the internal OTP memory and this value is used by the sensor’s internal signal detecting process.
The single-wire serial interface makes the integration of this sensor in digital system quick and easy.
Sensor physical interfacing is realized through a 0.
1” pitch 3-pin connector: +5V, GND and DATA.
First two pins are power supply and ground and they are used to power the sensor, the third one is the sensor digital output signal.
Its small physical size (1.
05”x0.
7”) and its very light weight (just 0.
1oz) make this board an ideal choice to implementing small robots and ambient monitoring systems.
CONNECTIONS DATA GND +5V Serial data output Ground Power supply (+5V) Tab.
1 – Connections 1 MICROBOT di Prosseda Mirko – Strada Chiesuola 117, 04010 Borgo Carso (LT), Italy web: http://www.
microbot.
it email: info@microbot.
it tel: +39-347-2159275 Free Datasheet http://www.
datasheetlist.
com/ Microbot – DHT11 Humidity and Temperature Sensor Fig.
1 - Signals CHARACTERISTICS Supply voltage Supply current (running) Supply current (stand-by) Temperature range Humidity range Interface Dimensions Weight +5V 0.
5mA typ.
(2.
5mA max.
) 100uA typ.
(150uA max.
) 0 / +50°C ±2°C 20-90%RH ±5%RH Digital 1.
05” x 0.
7” (connectors excluded) 0.
1 oz (2.
7g) Tab.
2 - Characteristics SENSOR UTILIZATION The single-wire bus needs a 5Kohm pull-up resistor and the connection with the system is realized as showed in Fig.
2.
Fig.
2 - System 2 MICROBOT di Prosseda Mirko – Strada Chiesuola 117, 04010 Borgo Carso (LT), Italy web: http://www.
microbot.
it email: in...


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