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  • 型号: 386
  • 制造商: Chicago Miniature
  • 库位|库存: xxxx|xxxx
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386产品简介:

ICGOO电子元器件商城为您提供386由Chicago Miniature设计生产,在icgoo商城现货销售,并且可以通过原厂、代理商等渠道进行代购。 386价格参考。Chicago Miniature386封装/规格:湿度,湿敏传感器, Humidity Temperature Sensor 20 ~ 80% RH Digital ±5% 1s Through Hole。您可以下载386参考资料、Datasheet数据手册功能说明书,资料中有386 详细功能的应用电路图电压和使用方法及教程。

Adafruit Industries LLC 生产的型号为386的湿度传感器(湿敏传感器)具有广泛的应用场景,尤其适用于需要精确测量和监控环境湿度的场合。以下是该传感器的一些典型应用场景:

1. 智能家居系统:在智能家居环境中,湿度传感器可以集成到温控系统中,帮助调节室内湿度,确保居住环境的舒适度。例如,在空调、加湿器或除湿器中使用,以维持适宜的湿度水平。

2. 农业与温室管理:对于农业生产,特别是温室种植,保持适当的湿度对作物生长至关重要。通过安装湿度传感器,农民可以实时监测土壤和空气中的湿度,从而优化灌溉和通风系统,提高作物产量和质量。

3. 气象站:在专业气象观测站或个人气象站中,湿度传感器用于收集大气湿度数据,结合温度等其他参数,提供更准确的天气预报信息。

4. 工业环境监控:在某些工业生产过程中,如印刷、纺织、电子制造等,空气湿度会直接影响产品质量。湿度传感器可以帮助企业监控车间内的湿度条件,确保生产工艺稳定运行,避免因湿度过高或过低导致的产品缺陷。

5. 实验室研究:科研机构和高校实验室常用湿度传感器进行各种实验,特别是在生物、化学、材料科学等领域,湿度是影响实验结果的重要因素之一。传感器提供的精确数据有助于研究人员更好地控制实验环境。

6. 文物保护:博物馆和档案馆等场所存放着大量珍贵文物和历史文献,这些物品对环境湿度非常敏感。湿度传感器能够帮助管理人员及时发现并调整不合适的湿度条件,防止文物受损。

7. 健康与医疗设备:一些医疗设备如呼吸机、制氧机等也需要精确控制湿度,以保证患者的安全和治疗效果。湿度传感器可以集成到这些设备中,确保其正常工作。

总之,Adafruit Industries LLC 的湿度传感器凭借其高精度和可靠性,在众多领域发挥着重要作用。
产品参数 图文手册 常见问题
参数 数值
品牌

Chicago Miniature

产品目录

光电子产品

描述

灯 14V .08A

产品分类

白炽灯和支架

产品手册

点击此处下载产品Datasheet

产品图片

rohs

符合RoHS

产品系列

灯,Chicago Miniature 386

MSCP

0.3 MSCP

产品型号

386

产品种类

商标

Chicago Miniature

寿命

15000 Hrs

封装

Bulk

工作电源电压

14 V

工厂包装数量

100

灯大小

T-1 3/4

灯座类型

Midget Groove

灯类型

Incandescent

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PDF Datasheet 数据手册内容提取

www.aosong.com

DHT11 digital temperature and humidity sensor is a composite Sensor contains a calibrated digital signal output of the temperature and humidity. Application of a dedicated digital modules collection technology and the temperature and humidity sensing technology, to ensure that the product has high reliability and excellent long-term stability. The sensor includes a resistive sense of wet components and an NTC temperature measurement devices, and connected with a high-performance 8-bit microcontroller. HVAC, dehumidifier, testing and inspection equipment, consumer goods, automotive, automatic control, data loggers, weather stations, home appliances, humidity regulator, medical and other humidity measurement and control. Low cost, long-term stability, relative humidity and temperature measurement, excellent quality, fast response, strong anti-interference ability, long distance signal transmission, digital signal output, and precise calibration. 4、Dimensions (unit: mm) Aosong(Guangzhou) Electronics Co.,Ltd. TEL:020-36042809 / 36380552 www.aosong.com - 1 -

5、Product parameters Relative humidity Resolution: 16Bit Repeatability: ±1% RH Accuracy: At 25℃ ±5% RH Interchangeability: fully interchangeable Response time: 1 / e (63%) of 25℃ 6s 1m / s air 6s Hysteresis: <± 0.3% RH Long-term stability: <± 0.5% RH / yr in Temperature Resolution: 16Bit Repeatability: ±0.2℃ Range: At 25℃ ±2℃ Response time: 1 / e (63%) 10S Electrical Characteristics Power supply: DC 3.5~5.5V Supply Current: measurement 0.3mA standby 60μ A Sampling period: more than 2 seconds Pin Description 1, the VDD power supply 3.5~5.5V DC 2 DATA serial data, a single bus 3, NC, empty pin 4, GND ground, the negative power Aosong(Guangzhou) Electronics Co.,Ltd. TEL:020-36042809 / 36380552 www.aosong.com - 2 -

6、Typical circuit Microprocessor and DHT11 of connection typical application circuit as shown above, DATA pull the microprocessor I / O ports are connected. 1. Typical application circuit recommended in the short cable length of 20 meters on the 5.1K pull-up resistor, the resistance of greater than 20 meters under the pull-up resistor on the lower of the actual situation. 2. When using a 3.5V voltage supply cable length shall not be greater than 20cm. Otherwise, the line voltage drop will cause the sensor power supply shortage, caused by measurement error. 3. Each read out the temperature and humidity values are the results of the last measurement For real-time data, sequential read twice, but is not recommended to repeatedly read the sensors, each read sensor interval is greater than 5 seconds can be obtainedaccurate data. 7、Serial communication instructions (single-wire bi-directional) ◎Single bus Description DHT11 uses a simplified single-bus communication. Single bus that only one data line, the system of data exchange, control by a single bus to complete. Device (master or slave) through an open-drain or tri-state port connected to the data line to allow the device does not send data to release the bus, while other devices use the bus; single bus usually require an external one about 5.1kΩ pull-up resistor, so that when the bus is idle, its status is high. Because they are the master-slave structure, and only when the host calls the slave, the slave can answer, the host access devices must strictly follow the single-bus sequence, if the chaotic sequence, the device will not respond to the host. ◎Single bus to transfer data defined DATA For communication and synchronization between the microprocessor and DHT11, single-bus data format, a transmission of 40 data, the high first-out. Aosong(Guangzhou) Electronics Co.,Ltd. TEL:020-36042809 / 36380552 www.aosong.com - 3 -

Data format: The 8bit humidity integer data + 8bit the Humidity decimal data +8 bit temperature integer data + 8bit fractional temperature data +8 bit parity bit. ◎Parity bit data definition “8bit humidity integer data + 8bit humidity decimal data +8 bit temperature integer data + 8bit temperature fractional data” 8bit checksum is equal to the results of the last eight. Example 1: 40 data is received: 0011 0101 0000 0000 0001 1000 0000 0000 0100 1101 Calculate: 0011 0101+0000 0000+0001 1000+0000 0000= 0100 1101 Received data is correct: Humidity:0011 0101=35H=53%RH Temperature:0001 1000=18H=24℃ Example 2: 40 data is received: 0011 0101 0000 0000 0001 1000 0000 0000 0100 1001 Calculate: 0011 0101+0000 0000+0001 1000+0000 0000= 0100 1101 01001101≠0100 1001 The received data is not correct, give up, to re-receive data. ◎Data Timing Diagram User host (MCU) to send a signal, DHT11 converted from low-power mode to high-speed mode, until the host began to signal the end of the DHT11 send a response signal to send 40bit data, and trigger a letter collection. The signal is sent as shown. Data Timing Diagram Note: The host reads the temperature and humidity data from DHT11 always the last measured value, such as twice the measured interval of time is very long, continuous read twice to the second value of real-time temperature and humidity values. Aosong(Guangzhou) Electronics Co.,Ltd. TEL:020-36042809 / 36380552 www.aosong.com - 4 -

◎Peripherals read steps Communication between the master and slave can be done through the following steps (peripherals (such as microprocessors) read DHT11 the data of steps). Step 1: After power on DHT11 (DHT11 on after power to wait 1S across the unstable state during this period can not send any instruction), the test environment temperature and humidity data, and record the data, while DHT11 the DATA data lines pulled by pull-up resistor has been to maintainhigh; the DHT11 the DATA pin is in input state, the moment of detection of external signals. Step 2: Microprocessor I / O set to output at the same time output low, and low hold time can not be less than 18ms, then the microprocessor I / O is set to input state, due to the pull-up resistor, a microprocessor/ O DHT11 the dATA data lines also will be high, waiting DHT11 to answer signal, send the signal as shown: Host sends a start signal Step 3: DATA pin is detected to an external signal of DHT11 low, waiting for external signal low end the delay DHT11 DATA pin in the output state, the output low of 80 microseconds as the response signal, followed by the output of 80 micro-seconds of high notification peripheral is ready to receive data, the microprocessor I / O at this time in the input state is detected the I / O low (DHT11 response signal), wait 80 microseconds highdata receiving and sending signals as shown: Step 4: Output by DHT11 the DATA pin 40, the microprocessor receives 40 data bits of data "0" format: the low level of 50 microseconds and 26-28 microseconds according to the changes in the I / O levellevel, bit data "1" format: the high level of low plus, 50 microseconds to 70 microseconds. Bit data "0", "1" signal format as shown: Aosong(Guangzhou) Electronics Co.,Ltd. TEL:020-36042809 / 36380552 www.aosong.com - 5 -

End signal: Continue to output the low 50 microseconds after DHT11 the DATA pin output 40 data, and changed the input state, along with pull-up resistor goes high. But DHT11 internal re-test environmental temperature and humidity data, and record the data, waiting for the arrival of the external signal. Aosong(Guangzhou) Electronics Co.,Ltd. TEL:020-36042809 / 36380552 www.aosong.com - 6 -

Aosong(Guangzhou) Electronics Co.,Ltd. TEL:020-36042809 / 36380552 www.aosong.com - 7 -