How to buy the best hygrometer raspberry pi?
When you want to find hygrometer raspberry pi, you may need to consider between many choices. Finding the best hygrometer raspberry pi is not an easy task. In this post, we create a very short list about top 10 the best hygrometer raspberry pi for you. You can check detail product features, product specifications and also our voting for each product. Let’s start with following top 10 hygrometer raspberry pi:
Best hygrometer raspberry pi
1. Gowoops 2 PCS DHT22 Temperature Humidity Sensor Module Digital Measurement for Arduino Raspberry Pi 2 3
Feature
With fixing screw hole, convenient for install and fixed
Single-bus digital signal output, bidirectional serial data
Operate Voltage: DC 3~5.5V
Temperature Range: -40 ~ 80 Humidity Range: 0~100%RH
Please choose the original seller: Gowoops, we don't guarantee the quality of the products bought from other seller.
Description
User Manual: http://osoyoo.com/?p=15718
Specification:
Type: DHT22 temperature and humidity sensor
Operate Voltage: DC 3~5.5V
Signal Output Type: Digital
Temperature Range: -40 ~ 80
Temperature Measurement Accuracy: 0.5
Humidity Range: 0~100%RH
Humidity Measurement Accuracy: 2%RH
Dimensions:
Size: 40 x 15 x 9 mm (L / W / H)
Screw hole diameter: 2.6mm
Weight: 6g
Package included:
2 x DHT22 Sensor Module
2 x Cable
2. QLOUNI 5 pcs Soil Hygrometer Humidity Detection Module Kit for Arduino PI,10 PIN Female to Female Jump Cables 20 PIN Male to Female Dupont Jump Automatic Watering System
Feature
[Moisture Detection Module Kit] 5pcs temperature humidity sensor module using the DHT11 with 10PIN female to female Dupont cable and 20PIN male to female Dupont cable for Arduino Raspberry pi 2 3[Automatic Watering System] Adjusting the potentiometer to control the soil humidity threshold, when the soil is dry, the module outputs a high level, whereas output low, all of electronic competitions and for the Arduino Raspberry pi design etc
[High Quality] The surface of soil moisture module using nickel-plated treatment,widened sensor area,can improve the electrical conductivity,to prevent touch the soil is easy to rust,and increase of service life
[High Sensitivity] Values are responded simultaneously after installation. Clockwise the blue potentiometer, the humidity will be higher, anticlockwise will be lower, detection module operating voltage: 3.3V~5V
[Various Usage] A must have tool for a connected garden, suitable for Arduino Raspberry PI design, automatic watering system, indoor or outdoor plants flowers grass, garden, farm, lawn, etc
Description
QLOUNI 5 pcs Soil Hygrometer Humidity Detection Module KitA must have DIY tool for connected garden or electronic games. Easy installation, high sensitivity, save your time and energy.
Product Description:
Operating voltage: 3.3V-5V
PCB size:3*1.3cm
Soil Probe Dimension: 6cm x 2cm
Cable Length: 20.4cm
Wiring instructions(4-wire):
1.VCC:3.3-5V
2.GND:GND
3.DO:digital output interface (0 and 1)
10pin female to female DuPont cable
20pin male to female DuPont cable
How To Use:
The soil moisture module is generally used to detect the moisture content of the soil.
The blue potentiometer is used to adjust the threshold of the soil humidity. When clockwise to adjust, the humidity will be higher, anticlockwise will be lower.
The digital output D0 can be connected directly with the micro controller to detect high level and low level by the micro controller to detect soil moisture.
Widely usage
Using this sensor make an automatic watering system, so that your garden plants without people to manage.
Also great for various electronic games, electronic building blocks, arduino design.
Packing list
5 x QLOUNI Soil Moisture Sensor Module Set 1 x 10pin female to female DoPont cable 1 x 20pin male to female OoPont cable
3. YIKESHU HiLetgo 5pcs DHT11 Temperature and Humidity Sensor Module for Arduino Raspberry Pi 2 3
Feature
Temperature Humidity Sensor Module Digital DHT11 for Arduino Raspberry Pi 2 3Measuring range: Humidity 20% to 90% RH, Temperature 0 to 50 celsius degree
It uses a dedicated digital modules and acquisition of temperature and humidity sensor technology to ensure that products with high reliability and excellent long term stability.
Resolution: Humidity 1% RH, temperature 1 celsius degree
Long-term stability: less +&-1% RH per Year
4. HONG111 5pcs TE215 Dual Mode High Sensitivity Soil Moisture Sensor, Auto Arduino Sensor Module Watering System Manager 3.3V-5V
Feature
Operating voltage: 3.3V-5VModule Output is high level when the soil moisture deficit,or output is low
Can be used in module plant waterer device, and the plants in your garden no need people to manage
This is a must have tool for a connected garden! It will be helpful to remind you to water your indoor plants or to monitor the soil moisture in your garden.
Module dual output mode, digital output, analog output more accurate.
Description
Specification:
Operating voltage: 3.3V~5V.
Adjustable sensitivity (shown in blue digital potentiometer adjustment)
Dual output mode-analog output more accurate.
A fixed bolt hole for easy installation.
With power indicator (red) and digital switching output indicator (green).
Having LM393 comparator chip- stable.
Panel PCB Dimension: 3cm x 1.5cm.
Soil Probe Dimension: 6cm x 2cm.
Cable Length: 21cm.
VCC: 3.3V-5V.
GND: GND.
DO: digital output interface(0 and 1).
AO: analog output interface.
Attention:
1. Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil.
2. Module to reach the threshold value is set in the soil moisture- DO port output high- when the the soil humidity exceeds a set threshold value- the module D0 output low.
3. The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture.
4. The digital outputs DO shop relay module can directly drive the buzzer module- which can form a soil moisture alarm equipment.
5. Analog output AO and AD module connected through the AD converter- you can get more precise values of soil moisture.
Package Included :
5 pcs Soil Moisture Detector Module
5 Set of Jumper Cables (2 in 1)
5. DHT11 Digital Humidity Temperature Sensor for Arduino Raspberry Pi 2 3 DIY (Set of 2)
Feature
DHT series numeric humiture sensor.Easy to use, work great for Arduino projectsThe DHT11 is a pre-calibrated digital output temperature and humidity sensor
The single-wire wiring scheme makes it easy to be integrated to other applications
This sensor module utilizes DHT11 as the sensitive component and has a bypass capacitor and a pull-up resistor on-board
The simple communication protocol greatly reduces the programming effort required
Description
This sensor module utilizes DHT11 as the sensitive component and has a bypass capacitor and a pull-up resistor on-boardThe DHT11 is a pre-calibrated digital output temperature and humidity sensor.
The single-wire wiring scheme makes it easy to be integrated to other applications.
The simple communication protocol greatly reduces the programming effort required.
These are bare temperature and humidity sensors. They are pinned Vcc, Data, NC (no connection), Gnd. They give readings roughly once per minute and are fairly accurate as they are factory calibrated.
Output range: 20-90% humidity, 32-122 degrees F. It is inaccurate at either end of the spectrum, works pretty well in the middle of its range.
Features:
Digital output
Single-wire communication
Laboratory pre-calibrated
Stable and long-term accuracy
3-pin interlock connector
Low power consumption and compact size
Long transmission distance, up to 100 meters
Widely used in the heating ventilation air conditioning, humidity adjuster, etc
Parameters:
Operating Voltage: DC 3.3V-5.5V
Humidity Measurement Range: 20%-95%RH
Humidity Measurement Accuracy: +/-5%RH
Temperature Measurement Range: 0 ~ 50 C
Temperature Measurement Accuracy: +/-2
Response Time: Less than 5s
PIN1-VDD: Power on 3.3V ~ 5.5V DC
PIN2-DATA: Signal output
PIN3-NC: NULL
PIN4-GND: External connection GND
Applications:
HVAC
Testing and inspection equipment
Automotive
Data logger
Consumer goods
Automatic control
Weather station
Home appliances
Humidity regulator
Medical
Dehumidifier
Package List:
2 x DHT11 sensor
6. MonkeyJack Moisture Detection Sensor Module Soil Water for Arduino Raspberry Pi
Feature
This is a simple water sensor can be used to detect soil moisture when the soil moisture deficit module outputs a high level, and vice versa output low.Use this sensor produced an automatic plant waterer device, so that the plants in your garden without people to manage.
Sensitivity adjustable the blue digital potentiometer adjustment (Figure)
Operating voltage 3.3V-5V
Module dual output mode, digital output, analog output more accurate.
Description
Description:
- This is a simple water sensor can be used to detect soil moisture when the soil moisture deficit module outputs a high level, and vice versa output low.
- Use this sensor produced an automatic plant waterer device, so that the plants in your garden without people to manage.
- Sensitivity adjustable the blue digital potentiometer adjustment (Figure)
- Operating voltage 3.3V-5V
- Module dual output mode, digital output, analog output more accurate.
- With fixed bolt hole for easy installation
- Power indicator (red) and digital switching output indicator (green)
Specification:
- Comparator LM393 chip, stable
- PCB size: Approx. 3cm * 1.6cm/ 1.18x 0.63inch
Interface Description (4-wire)
- VCC: 3.3 V-5V
- GND: GND
- DO: digital output interface (0 and 1)
- AO: Analog Output Interface
- Instructions for use:
- 1. Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil.
- 2. Module to reach the threshold value is set in the soil moisture, DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low;
- 3. The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture;
- 4. The digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment;
- 5. Analog output AO and AD module connected through the AD converter, you can get more precise values of soil moisture;
Package Includes:
1 Piece Soil moisture module
1 Piece Soil moisture sensor
5 Pieces Lines
7. YL-69 Sensor and LM393 Comparator Module Soil Medium Hygrometer, Surface Moisture Sensor for Arduino and Raspberry Pi, RBTMKR
Feature
This is a simple high quality water sensor, which can be used to detect soil moistureDual output mode, with a stable LM393 comparator chip
With power indicator (red) and digital switching output indicator (green)
VCC: 3.3V-5V, GND, DO: digital output interface (0 and 1), AO: analog output interface
PCB Dimension: 3 x 1.5 cm, Soil Probe Dimension: 6 x 2 cm
Description
The YL-69 soil moisture sensor and the LM393 Comparator module are sensitive to the ambient humidity and are generally used to detect the moisture content of the soil.
When the module is set to reach a threshold value that has been set with the blue Pot. If the D0 port output is high the humidity is high. If the D0 port output is low the humidity is low.
The digital output D0 can be connected directly with a microcontroller to detect high and low by the microcontroller to detect soil moisture.
8. Alloet Soil Humidity Detection 3.3V-5V Hygrometer Moisture Sensor Module Size Approx. 60mmX20mm / 2.36'X0.78'
Feature
100% Brand new and high quality.Operating voltage : 3.3v-5v.
Color : show as picture .
Size :Approx. 60mmX20mm / 2.36'X0.78'.
Life time: About 12 months.
Description
Instructions for Use:1. Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil
2. Module to reach the threshold value is set in the soil moisture, DO port output high, when the soil humidity exceeds a set threshold value, the module D0 output low
3. The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture
4. The digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment
5. Analog output AO and AD module connected through the AD converter, you can get more precise values of soil moisture
Package:
1x Soil Moisture Module
1x Tracing Sensor
1x Set of Cable (2in1)
9. I'll be waiting for you here Wireless Weather Station Touch Screen Thermometer Hygrometer Indoor Outdoor WiFi Weather Forecast Sensor Clock -20C-60C,B
Feature
Humidity measurement precision:20%~95%,Power Type:AAA Battery,Range of temperature measurement:-9.9~+59.9,size:142x22x96Style:Standing and Wall Hanging,Max Measuring Temperature:50C - 69C,Temperature resolution:0.1C,Humidity resolution:1
Temperature measurement error:-1~+1,Model Number:The 0317 is worn,Display Type:Digital
Humidity measurement range:20% to 95%,weight:0.28kg,Precision grade:0.1,Theory:temperature and humidity meter
Display Size:2.0 - 3.9 Inches,Applicable scope:indoor outdoor,Usage:indoor and outdoor
Description
Humidity measurement precision:20%~95%Style:Standing and Wall Hanging
Humidity measurement range:20% to 95%
Display Size:2.0 - 3.9 Inches
Power Type:AAA Battery
Max Measuring Temperature:50C - 69C
Temperature measurement error:-1~+1
weight:0.28kg
Applicable scope:indoor outdoor
Range of temperature measurement:-9.9~+59.9
Temperature resolution:0.1C
Model Number:The 0317 is worn
Precision grade:0.1
Usage:indoor and outdoor
size:142x22x96
Humidity resolution:1
Display Type:Digital
Theory:temperature and humidity meter
10. Digital TemperatureLtrottedJ 2in1 Plant Earth Flowers Soil Humidity Temperature Meter Tester Analyzer
Feature
100% brand new and high qualitytemperature controller pid digital inkbird honeywell freezer homebrew brewing 110v omron thermostat 12v <100 with probe circuit thermocouple for smoker box keezer sensor refrigerator aquarium relay kit timer heater fan switch ul k type heat lamp car plug dual degrees 15a mug high temp multiple stc defrost mini dc e5cs-r1kjx-f 24v 1/4 din pt100 220v chicks johnson rtd itc308 kiln w1209 humidity control outdoor 300c outlet zilla beer board nashone indoor water big green egg
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electric kettle reader data logger infrared remote valve regulator food epoxy fever controlled outlet for smoker insulation wire meter transmitter bbq wifi wireless alarm recorder clock watch automotive kids mug outdoor water meat indicator shower head pillow usb fan mattress pad acurite soil warning display laser heat stickers room detector nails wall tape lipstick label cooking indoor digital <100 fish tank hygrometer comforter indicating bath relay test clamp actuator vape fork k ear pen of l
Description
2 in1 Plant Earth Flowers Soil Humidity Temperature Meter Tester Tool AnalyzerFeature:
100% brand new and high quality.
Quantity: 1
Size:44*30*30mm
LCD Size:24*14mm
Measuring Range:0C50C
Humidity:10%98%
Degree of error:1C 5%
Resolution:0.1
Sensor wire:140mm
Press the "MAX" shows the largest measuring temperature and humidity memory
Press the "MIN" shows the minimum measuring temperature and humidity of memory
Package Content:
1X Soil
Humidity Temperature Tester Meter
temperature gun and humidity monitor controller infrared gauge probe strips thermometer sensor laser digital infered ir for reptiles ennologic case water basel food test baby adults kids transmitter tester acurite accurite alarm indoor high adhesive pressure aaa aa automotive smoker soil hvac cooking meat bbq bluetooth grill k type aquarium bath soloop urine faucet light switch arduino kombucha brewing stickers wifi temp holster wireless coolant nest with raspberry pi certificate screen thermocouple meter heat hygrometer clock health wire watch warning wall weather station wizard kettle watches men taylor temporal tree logger usb log book label lunch bag lipstick horizontal outlet outdoor outside inside oil chrysler 300c ovulation oven freezer system fridge
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