High sensitivity, response time 10 ms
High consistency up to +/- 15%
Can be cleaned
Small size 46 * 34mm
High EMC performance
Household / Commercial Air Purifier
Household / Commercial Air Conditioner
Home / commercial fresh air system
Car air purification system
Civil air quality monitoring system
Industrial dust monitoring system
1 X GP2Y1051AU0F Dust Sensor
1 X Cable
Master: ESP-01 / ESP-01S (This module does not include ESP-01 / ESP-01S)
Temperature and humidity sensor: DHT11
Working voltage: DC 3.7V-12V (supports 3.7v lithium battery)
Measuring range: 20-90% RH 0-50 Celsius
Measurement accuracy: temperature: ± 2 Celsius humidity ± 5% RH
1 X ESP8266 ESP-01 ESP-01S DHT11 Temperature Module (esp-01s is not included)
Turbidity sensors is the use of optics , through the liquid solution and scattering rate of transmittance integrated to determine the turbidity case , since the amount of haze value is gradual , usually detected in a dynamic environment , the turbidity sensor acquisition value , the need for external control for AD conversion , the conversion to obtain the corresponding environment turbidity situation, so that the sensor can also need to produce a peripheral circuit detected in the system , with a waterproof probe , mainly used in washing machines, dishwashers and other equipment turbidity testing can also be used on electronic design, graduate design, electronic competition experiments and other applications.
1, Working voltage: DC5V
2 , Operating Current : 30mA (MAX)
3 , Response time : <500ms
4 , Insulation Resistance : 100M Ω[Min];
5, the output way: Analog output 0-4.5V
6, the output way: high / low signal( High : 5V Low : 0V)
7 , operating temperature : -30 oC -80 oC;
8 , Storage temperature : -10-80 oC.
9, Weight : 55g
10 , Size : 30mm * 20mm * 12mm
Washing machines, dishwashers , industrial control , environmental sewage collection and so on turbidity measurement and control needs of the occasion ;
Stay after purchase mailboxes sensor manual, as well as provide technical guidance services , does not provide product development and programming services .
1 sets x Turbidity sensor module kit
Operating Temperature: 0 to 600 degrees
1 X K Type Thermocouple
Indoor / outdoor temperature, indoor humidity display. °C / °F temperature switch display, comfort display. Indoor and outdoor maximum and minimum temperature memory function. Memorized MAX/MIN indoor temperature and humidity value automatically. With a back stand , convenient to place. Built-in sensor to simultaneously measure the temperature.
100% Brand New and High Quality
Large-character LCD display;
Low power consumption;
High stability & accuracy.
Display temperature, humidity and time simultaneously;
Memory of MAX & MIN measuring value;
12 hour / 24 hour displaying system selectable;
℃/℉ unit selectable;
Clock & Calendar function (month and date)
Desk-top placing or Wall Hanging.
Don't miss it.
This is the best gift you gave to your family. Welcome to buy my products.
Indoor Temperature : 0℃ to 50℃ / 32℉ to 122℉
Indoor Humidity : 20% RH to 90% RH
Requires 1 x AAA battery ( not included)
Product size: 70 * 81 * 20mm / 2.8 * 3.2 * 0.8in
Product weight: 66g / 2.32oz
1 x Digital LCD Thermometer Hygrometer
1 x User Manual(English)
Note: There's NO included Battery. And it's Not with retail package.
Conversion :1 inch = 25.4mm or 1mm = 0.0393 inch,1cm=10mm
1.Please allow 1-3mm error due to manual measurement.
Please make sure you do not mind before you bid.
2. The colors may have different as the difference display, please understand.
Thank you for your kindly understanding.
Size: 32mm X22mm X30mm
The main chip: LM393, MQ135 gas sensing probe
Operating voltage: DC 5V
Has a signal output LED indicates
Dual signal output (analog output, and TTL level output)
TTL output valid signal is low; (lights lit when the output is low, which can be accessed microcontroller IO port)
Analog output increases with the concentration, the higher the concentration the higher the voltage
Sulfide, benzene vapors, fumes and other harmful gases with high sensitivity
Having a long life and reliable stability
Quick response and resume
With mounting holes for easy fixed installation
The probe can plug design for easy test
Gas sensors tested concentration range: 10 to 1000ppm
For detecting harmful gases home environment, suitable for the detection of ammonia, aromatic compounds, sulfur compounds, benzene vapor, smoke and other harmful gases gases
1 X MQ-135 Gas Module
keywords:MQ-135 gas module
Control range: -50*-110 degrees Celsius
Resolution: the -9.9-99.9 of 0.1 degrees Celsius, 1 degrees Celsius temperature section of the other
Accuracy of temperature: 0.1 degrees
The control accuracy: 0.1 degrees Celsius
Return difference accuracy: 0.1 degrees Celsius
The refresh frequency: 0.5s
High temperature protection: 0-110 degrees Celsius
Input voltage: DC 12V
Measurement of the input: NTC (10K 0.5%) waterproof type sensor
The output range: 1 10A relay
Environmental requirements: -10-60 degrees Celsius, humidity: 20%-85%
Power consumption: static current: <=35MA operating current: <=65MA
Display type: 0.28 inch three digital tube
1 X XH-W1209 Digital Display Temperature Controller
The item is for Arduino robot kit, raindrops, rain sensor, monitoring can be used for a variety of weather conditions, and converted into the number of the reference signal and the AO output.
1. The sensor uses the FR-04 high-quality double-sided materials, King Size 5.0 * 4.0CM, and with the surface of the nickel plating treatment, against oxidative, conductivity, superior performance and longevity;
2. The comparator output, the signal is clean, waveform, driving ability over 15mA;
3. Distribution bit to adjust sensitivity;
4. Operating voltage 3.3V-5V
5. The output in the form: digital switching outputs (0 and 1) and analog AO voltage output;
6. A fixed bolt hole for easy installation
7. Voltage: 5V
8. Power indicator, the output signal LED indicator.
9. TTL-level output, TTL output valid signal is low. Driving capability 100MA so, can directly drive relays, buzzer, a small fan, and so on.
10. Sensitivity can be adjusted via potentiometer
11. LED lights up when there is no rain output is high, raindrop up, the output ground level, LED light.
12. Raindrops and control panels are separate, easy to wire leads.
13. A large area of rain board, more conducive to detect rain.
14. Board with positioning holes to facilitate installation
15. Small board PCB size: 3.2cm x 1.4cm
16. Wide voltage LM393 comparator
How to use:
Connected to 5V power supply, the power indicator light, sensor board is not water droplets, DO output is high, the switch lights off, dropping on a drop of water, DO output is low, the indicator light switch,
Brush off the the above water droplets, has returned to output high state. . . .
AO analog output can be connected to the microcontroller AD 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.
1. VCC: positive power supply (3-5V)
2. GND: negative one.
3. DO: TTL switching signal output
4. AO: Analog signal output
1 x Raindrop Sensor
1 x Control board
1 x 2P 20cm Dupont Line
Thermistor Temperature Sensor NTC MF52-103 3435 10K ohm 1%
RCWL-0516 is a technology that uses radar Doppler, microwave induction special module for detecting moving objects.
Feature: high sensitivity, induction distance, high reliability, induction Angle is large, voltage supply range and other characteristics
Widely used in all kinds of human body induction lighting and anti-theft alarm, etc.
Wide fan operating voltagefrom 4.0 V to 28.0 V
Compared to traditional infrared PIR sensor, penetration detection capability
Locking time, the distance is adjustable
The output of 3.3 V power supply
1 X RCWL-0516 Module Microwave Radar Sensor