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    Itead DHT11 Digital Signal Single-Wire Temperature Humidity Sensor Module for Arduino - Deep Blue itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue Itead DHT11 Digital Signal Single-Wire Temperature Humidity Sensor Module for Arduino - Deep Blue купить
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      Temperature Humidity Sensor DHT11 Module for Arduino - Deep Blue (Works with Official Arduino Board) itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue Temperature Humidity Sensor DHT11 Module for Arduino - Deep Blue (Works with Official Arduino Board) купить
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        DHT11 Digital Temperature & Humidity Sensor Module for Arduino Single-Bus Blocks itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue DHT11 Digital Temperature & Humidity Sensor Module for Arduino Single-Bus Blocks купить
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          DHT11 Temperature / Relative Humidity Sensor Module for Arduino - Light Blue itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue DHT11 Temperature / Relative Humidity Sensor Module for Arduino - Light Blue купить
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            Arduino DHT11 Digital Temperature Humidity Sensor Module Compatible With RPi / STM32 itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue Arduino DHT11 Digital Temperature Humidity Sensor Module Compatible With RPi / STM32 купить
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              DHT11 Digital Temperature Humidity Sensor Module for Arduino (Works with Official Arduino Boards) itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue DHT11 Digital Temperature Humidity Sensor Module for Arduino (Works with Official Arduino Boards) купить
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                6490 DHT11 Humidity Temperature Sensor Module - Blue itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue 6490 DHT11 Humidity Temperature Sensor Module - Blue купить
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                  Digital Temperature and Humidity Sensor Module - Blue (3.3V~5V) itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue Digital Temperature and Humidity Sensor Module - Blue (3.3V~5V) купить
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                    LDTR-0022 Digital Temperature / Humidity Measuring Test Module for Arduino - White + Blue itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue LDTR-0022 Digital Temperature / Humidity Measuring Test Module for Arduino - White + Blue купить
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                      Keyes DHT11 FR4 Temperature / Humidity Sensor Module for Arduino - Red + Blue itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue Keyes DHT11 FR4 Temperature / Humidity Sensor Module for Arduino - Red + Blue купить
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                        DHT11 3-Pin Digital Temperature Humidity Sensor Module itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue DHT11 3-Pin Digital Temperature Humidity Sensor Module купить
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                          Itead 4-pin Digital Temperature Sensor Module (Works w/ Official Arduino DS18B20) - Deep Blue itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue Itead 4-pin Digital Temperature Sensor Module (Works w/ Official Arduino DS18B20) - Deep Blue купить
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                            DHT22 2302 Digital Temperature and Humidity Sensor Module itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue DHT22 2302 Digital Temperature and Humidity Sensor Module купить
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                              HR31 Humidity Sensor Module for Arduino (Works with Official Arduino Boards) itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue HR31 Humidity Sensor Module for Arduino (Works with Official Arduino Boards) купить
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                                1PCS New DHT11 Temperature And Relative Humidity Sensor Module For Arduino itead dht11 digital signal single wire temperature humidity sensor module for arduino deep blue 1PCS New DHT11 Temperature And Relative Humidity Sensor Module For Arduino купить
                                1PCS New DHT11 Temperature And Relative Humidity Sensor Module For Arduino
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                                What is an electronic brick? An electronic brick is an electronic module which can be assembled like Lego bricks simply by plugging in and pulling out. Compared to traditional universal boards and circuit modules assembled with various electronic components electronic brick has standardized interfaces plug and play simplifying construction of prototype circuit on ones own. There are many types of electronic bricks and we provide more than twenty types with different functions including buttons sensors Bluetooth modules etc whose functions cover from sensor to motor drive from Ethernet to wireless communication via Bluetooth and so on. We will continue to add more types to meet the various needs of different projects. DHT11 electronic brick of digital temperature & humidity sensor features a digital temperature & humidity sensor complex with a calibrated digital signal output. Its single-bus operation extremely small size and low consumption enable it to be used in HVAC automotive weather stations dehumidifier and other applications. Features 1. Plug and play easy to use. Compatible with the mainstream 2.54 interfaces and 4-Pin Grove interfaces in the market. 2. With use of M4 standard fixed holes compatible with M4-standard kits such as Lego and Makeblock. 3. Rotatable detecting direction for better adaption. Specifications Working voltage 3.3 or 5V DC Operating voltage 3.3 or 5V DC Measurement range 20-95%RH;0-50℃ Resolution 8bit(temperature),8bit(humidity) Note 1: S for digital input/output port V and G for voltage at the common collector and ground respectively Electrical characteristics Min. Typical Max. Unit Working voltage 3 5 5.5 VDC Working current(VCC=5V,T=25℃) 0.5 - 2.5 mA Sampling interval 1 - - s Humidity Accuracy 25℃ - ±4 - %RH 0-50℃ - - ±5 %RH Measurement range 25℃ 20 - 95 %RH Response time 1/e(63%)25℃,1m/s air 6 10 15 s Temperature Accuracy ±1 - ±2 ℃ Measurement range 0 - 50 ℃ Response time /e(63%) 6 30 s Communication Process: Serial Interface (Single-Wire Two-Way) Single-bus data format is used for communication and synchronization between MCU and DHT11 sensor. One communication process is about 4ms. Data consists of decimal and integral parts and the specific format will be described below. Current decimal part is for future expansion which is read as zero now. The operation process is as below: a complete data transmission is 40bit and the sensor sends higher data bit first. Data format: 8bit integral RH data + 8bit decimal RH data + 8bit integral T data + 8bit decimal T data + 8bit check sum. If the data transmission is right the check-sum should be the last 8bit of 8bit integral RH data + 8bit decimal RH data + 8bit integral T data + 8bit decimal T data. When MCU sends a start signal DHT11 changes from the low-power-consumption mode to the running-mode. Once the start signal is completed DHT11 sends a response signal of 40-bit data and trigger a signal acquisition. Users can choose to collect (read) some data. Without the start signal from MCU DHT11 will not collect temperature & humidity information spontaneously. Once data is collected DHT11 will change to the low-power-consumption mode until it receives a start signal from MCU again. 1. Communication process is shown in the following diagram Free status of data single bus is at high voltage level. MCU needs to pull down bus for more than 18ms to wait for response from DHT11 to make sure that DHT11 can detect the start signal. Once DHT11 receives the start signal from MCU it will wait to send 80us low level response signal till the start signal is over. After the start signal from MCU is over delay and wait for 20-40us then read the response signal of DHT11. After MCU sends the start signal it can switch to input mode or output high level while the bus will be pulled up by the pull-up resistor. When the bus is at low level it indicates that DHT11 sent a response signal after which pull up the bus for 80us. When sending data every bit of data begins with the 50us low-voltage-level and the length of the following high-voltage-level signal determines whether data bit is 0 or 1. Format is shown in the following diagram. If the response signal read is high level DHT11 will not respond please check the cable connections.After last bit of data is transmitted DHT11 will pull down bus for 50us then bus will be pulled up by pull-up resistor into free status. 2. Signal indication of data 0 is shown in the following diagram. 3. Signal indication of data 1 is shown in the following diagram.

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