ACEIRMC 4pcs Si7021 GY-21 SHT21 HTU21 Digital Humidity Temperature Sensor Module Replace SHT11 SHT15
The humidity and temperature sensor board that carries a digital SHT21 humidity and temperature sensor from Sensirion..
Si7021 GY-21 Module Industrial High Precision Humidity Sensor I2C IIC Interface Module For Arduino Low Power CMOS IC Module.
It has a 4-pin interface that can communicate directly with the analog pins.
It can be used as a hardware- and software-compatible drop-in upgrade for existing RH/temperature sensors in 3x3 mm DFN-6 packages, featuring precision sensing over a wider range and lower power consumption..
The Si7021 offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms..
The splitter uses an inductor (antenna) designed specifically for this application, and the board is fully calibrated.This ensures that you can support low-level IC calibration without having to write a large back-end – focus on your end application!.
This sensor cannot drive an LCD display on it own It will need a microcontroller, like ESP8266/ESP32 or Arduino Pro Mini / Pro Micro 3.3V The Microcontroller will control the sensor and control the display as well..
What you will get is : 1 X GY-AS3935 Lightning Sensor.
CQRobot Ocean: Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc.
Contact Water/Liquid Level Sensor, This is a photoelectric water liquid level sensor that is operates using optical principles. Open collector output mode, suitable for connecting various circuits and product applications..
The sensor has no mechanical parts, requires no additional adjustment, and has high sensitivity, low power consumption, corrosion resistance, high pressure resistance, high temperature resistance and chemical stability..
This sensor probe is small in size and has a structure that can be placed up, down, laterally, and diagonally in multiple orientations to detect solution spillage, dryness and horizontal level. Can be used as a reminder and alarm function..
The sensor has a DIP switch. The DIP switch controls the output voltage (high level) of the signal terminal (green line). When the DIP switch is dialed to 5V, the high level is 5V. When the DIP switch is dialed At 3V, the high level is 3.3V..
Compatible with Arduino motherboard and Raspberry Pi motherboard. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc..
AITRIP 10 Pack Capacitive Soil Moisture Sensor Corrosion Resistant for Arduino Moisture Detection Garden Watering DIY Electronic for Arduino and Raspberry Pi (10PCS)
This capacitive soil moisture sensor is distinguished from most resistive sensors on the market and uses capacitive sensing to detect soil moisture. The problem that the resistance sensor is easily corroded is avoided, and its working life is greatly extended..
The sensor has a built-in voltage regulator chip that supports a 3.3-5.5V working environment, which means it works even on a 3.3-5.5V Arduino control board. A miniature PC such as the Raspberry Pi only needs an external ADC (analog to digital signal) conversion module to work..
With an external screen and a motherboard, you can talk to your plants! See if it is thirsty and you don't need more water to moisten.Garden plants, Moisture detection, Intelligent agriculture.
16 in 1 Project Super Starter Kits Sensor Modules Kit for Arduino Raspberry for UNO R3 Mega2560 Mega328 Nano Raspberry Pi 3 2 Model B K62 (16 in 1)
THE MOST COMPLETE SMART HOME KIT--This universal kit are compatible for Arduino UNO R3 / Mega2560 / Mega328 /Nano / Raspberry Pi, it could DIY 16 projects according to your need..
Those sensors will often being used in the beginner's project. It is included sound and obstacle avoidance sensor, obstacle avoidance sensor, temperature and humidity sensor, ultrasonic, a path tracing module and infrared human body induction sensor..
This has 16 sensors modules and delicately selected sensors to detect temperature, humidity, sound, light, infrared, motion, flame, vibration, digital touch, air pressure and many other commonly-used sensors modules..
We eliminate many old-fashioned sensors which have low reliability and duplicate function as other sensor in the kit, the UMLIFE modules sensor kits are choosed carefully for our user..
With this kit, we will take you from knowing to utilizing, you are able to do more experiment, get your more idea into real action without the restriction of hardware and software. ❃❃ Any questions, you can contact us and we will give you a satisfied solution..
CQRobot Ocean: TDS (Total Dissolved Solids) Meter Sensor Compatible with Raspberry Pi/Arduino Board. for Liquid Quality Analysis Teaching, Scientific Research, Laboratory, Online Analysis, etc.
Wide Voltage Input: 3.3V to 5.5V. Good Compatibility Output: 0 to 2.3V analog signal output, compatible with 5V or 3.3V controller..
AC Excitation Source: effectively prevent probe from polarization, Waterproof Probe..
Easy to Use: Arduino compatible, simple connection, plug and play without soldering..
Used with ADS1115 16-Bit ADC Module (ASIN: B08KFZ3PVT, Model: CQRADS1115), Compatible with Raspberry Pi Motherboard..
Note: When using the TDS instrument sensor, the sensor probe is immersed in liquid, and the purchaser needs to Separate the sensor Probe Protective Cover to avoid incorrect data reading and malfunction..
GAR Monster Starter Kit for Arduino Uno Mega Nano Complete Advanced Set w/ ESP32 25 Sensor Modules Bluetooth WiFi Ethernet Wireless for Electronics STEM Robotics Projects
Advancing the development of robotics technology w/ Earth's 2nd biggest & most advanced starter kit for Arduino. 65+ pieces w/ FIVE main boards: 100%....
Explore programming electronics with all of the most common sensors and modules in Arduino like RFID Card-Key Reader, Ultrasonic Sensor, Real Time....
Build wireless IoT Automation projects with ESP32 Development Board, HC-05 Bluetooth Module, ESP8266 Wi-Fi Module, 2x NRF24L01 Wireless Transceivers....
All-in-one bundle with extra accessories + 16G USB storage with free access to the GAR Dropbox Cloud including PDF guides & links to tutorials and....
Effective technical/customer support from USA with lifetime replacement guarantee on all parts – The Monster comes in 16" x 12" durable organizer....
Operating Voltage: DC 3.3-5.5V；Output Voltage: DC 0-3.0V；Interface: PH2.54-3P..
It is possible to read the amount of real-time moisture present in the soil (for judging whether the soil is wet or dry) by linking the analog output (AOUT) of the module to one analog input (A0) of the Arduino..
This sensor is compatible with 3-pin interface, which can be directly connected to the Gravity I/O expansion shield. Pin: Analog signal output, GND, VCC.
The principle of capacitive sensing is used to detect soil moisture. It is made of a corrosion resistant material. It avoids the problem of being easily corroded and greatly prolongs its working life..
Appligations: Through simple design, can automatic watering the vegetable garden, garden, control the flower pot soil moisture, all of electronic competitions and for Arduino Raspberry pi design etc..
