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DHT11 TEMPERATURE SENSOR
DHT11 TEMPERATURE SENSOR
₦ 2,500
The DHT11 is a low-cost and reliable digital temperature and humidity sensor. Digital output only. It is compatible with Arduino complete with library as well as other microcontrollers.
- 3 to 5V Operating range
- 2.5mA (max)
- 20-80% humidity readings (up to 5% accuracy)
- 0-50°C temperature readings (up to ±2°C accuracy)
- 1 Hz Maximum sampling rate
- 15.5mm x 12mm x 5.5mm
- 4 pins with 0.1″ spacing
Pins
1. VCC
2. Data
3. NC
4. Ground
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- Input Voltage: DC 12V
- Output Type: relay output 10A (max)
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- Delay Starting:0-10min
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Specification
- 3-5V Logic and Power
- Pressure sensing range: 300-1100 hPa (9000m to -500m above sea level)
- Up to 0.03hPa / 0.25m resolution
- -40 to +85°C operational range, +-2°C temperature accuracy
- This board/chip uses I2C 7-bit address 0x77.
Arduino sample code: //www.haoyuelectronics.com/Attachment/GY-68/bmp085_arduino.zip
Datasheet: //cdn-shop.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf
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Rain Sensor – Arduino Compatible
₦ 1,500This rain sensor can be used for all kinds of weather monitoring, and translated into digital output signals and analog. Humidity Detection Sensor Module Snow Rain raindrops Detection for Arduino
- Sensitivity can be adjusted via potentiometer LED lights up when there is no rain output is high; as soon as raindrop is detected, the output goes to ground level (0V).
- Connect to the microcontroller/Arduino ADC port to detect the size of the drops in the above rainfall. DO TTL digital outputs can also be connected to the microcontroller detects whether there is rain.
- Digital outputs (0 and 1) and analog AO voltage output; TTL-level output, TTL output valid signal is low. Driving capability 100MA so, can directly drive relays, buzzer or small fan.
Pin functions include:
- VCC(3V to 5V)
- GND
- AO (Analog Output)
- Digital Output (TTL levels)
Package Includes:
- Rain sensing pad
- Sensing PCB
- Dupont cable
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