Smoke sensor MQ2 (Digital/Analog)
This smoke sensor module with MQ2 Smoke sensor have both digital and analog outputs , you also can adjust the sensitivity with the potentioneter.
EGP95.00
PIN Connection
4 pins as follows:
- VCC Â Â (5 V)
- GND (ground)
- Aout (Analog output)
- Dout (Digital output)
When connect to arduino, use digital pins in digital mode (high or low) and use analog pins for analog mode (diffrenet value for different smoke intensity).
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This is 4 in 1 water and soil sensor. The new generation sensor can be used for Ec, moisture, salinity and temperature measurements in both water and soil media as well. This sensor is a high quality Anti-corrosion, stainless steel industrial standard sensor that can measure soil and water EC (conductivity), soil and water moisture contents, Salinity and temperature. This sensor enjoys high precision, long life and high stability in measurements. The sensor has RS 485 serial interface with 2-meter cable which can be extended to 1000 meter without affecting measured data quality, thanks to RS 485 long distance serial communication interface. It can be integrated with GPRS/4G/WIFI/LORA wireless module.
The MQ-135 gas sensor senses gases like ammonia nitrogen, oxygen, alcohols, aromatic compounds, sulfide, and smoke.
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The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for sensing CO concentrations in the air. It can detect CO-gas concentrations anywhere from 20 to 2000ppm. MQ7 is a high sensitivity to carbon monoxide and stable and long-life span.
The soil nutrient content can be easily measured using NPK Soil Sensor. Measurement of soil content N (nitrogen), P (phosphorus), and K (potassium) is necessary to determine how much additional nutrient content is to be added to soil to increase crop fertility.
The soil fertility is detected using NPK sensors. A major component of soil fertilizer is nitrogen, phosphorus, and potassium. The knowledge of the soil nutrient concentration can help us to learn about nutritional deficiency or abundance in soils used to endorse plant production.
This Soil NPK sensor is a low cost, quick responsive, high precision & portable Sensor that works with Modbus RS485. The advantage of this sensor over a traditional detection method is that it gives very fast measurement & data are highly accurate. All you need is to insert its probe in soil and get the reading using your MCU (Arduino, Tiva C, Raspberry, Personal computer).
This is an industrial grade soil and water PH and temperature sensor. The new generation Ph sensor can measure pH and temperature level in both soil and water as well. Soil and water pH is a measure of the acidity or alkalinity of the soil or water. Soils (or water) can be classified according to their pH value where 6.5 to 7.5 is neutral soil (Ideal soil for growing plants), over 7.5is alkaline and less than 6.5 is acidic. The sensor has RS 485 serial interface with 2-meter cable which can be extended to 1000 meter without affecting measured data quality, thanks to RS 485 long distance serial communication interface. It can be integrated with GPRS/4G/WIFI/LORA wireless module.
This water PH sensor is high quality, high precession, industrial standard water PH sensor. It is designed to be used in industrial applications such as water treatment facilities, rivers, lakes, peverage industry. The PH sensor equipped with 2 meter low noise cable. It is designed for low power consumption, long life and high measurement stability,
PH is a measure of acidity or alkalinity of a solution. It is commonly used to measure the quality of the water or for water monitoring. The pH scale ranges from 0 to 14.
The Chirp! Plant Watering Alarm is a new device from wemakethings that helps extend the life of your plant by reminding you to water it. This plant water alarm is essentialy a moisture sensor with built-in coin battery and sound alarm. Chirp is a plant watering alarm – as simple as that. You put it into the soil near a plant and it emits a tiny chirp (sharp sound) when the soil is dry, reminding you to water the plant. Alternatively, Chirp can work as an I2C soil moisture sensor.
Gravity: Analog pH Sensor / Meter Pro Kit V2 For Arduino is a professional Arduino pH Sensor Meter Kit with an industrial electrode. This ph. sensor module is an upgrade for V1 with improvement is calibration method, more friendly use and better accuracy
MQ-9 gas sensor has high sensitity to Carbon Monoxide, Methane and LPG. The sensor could be used to detect different gases contains CO and combustible gases, it is with low cost and suitable for different application.
The sensitivity of the sensor can be adjusted by using the potentiometer.
TDS (Total Dissolved Solids) measures how many milligrams of soluble solids dissolved in one liter of water. The measure is expressed in PPM (part per million). In general, the higher the TDS value, the more soluble solids dissolved in water, and the less clean the water is. Therefore, the TDS value can be used as one of the references for reflecting the cleanliness of water.
Thanks to this product, it becomes possible to create your own measurement, collection and data transmission system. It is even possible to use this information to automate water treatment cycles. The TDS probe is waterproof; it can be immersed in water for long time measurement. However, the signal transmitter board is not waterproof.
This environmental sensor module is based on BME280 powerful environmental sensor. It can sense temperature, barometric pressure, humidity .
You can monitor 2 environmental parameters simultaneously. All the measurements can be read through either I2C or SPI connection.
MQ-4 Sensor is highly sensitive to Methane – CH4.
Using a MQ sensor and detecting the gas is quite easy. You can either use the digital pin or the analog pin to accomplish this. Simply power the module with 5V and you should notice the power LED on the module to glow and when no gas is detected the output LED will remain turned off meaning the digital output pin will be 0V.