Best Sensor Module

ACS712 Hall Effect Current Sensor Module 5A 20A 30A Range + Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor for Arduino

【Perfect Combination】Using this product can measure both voltage and current, very suitable for DIY electronic design projects..
【Package Included】1pcs x 30A,1pcs x 20A, 1pcs x 5A ACS712 Current Sensor Module, and 1pcs x Voltage Sensor Module DC0-25V Voltage Tester Terminal....
【Current Sensor Module】Chip: ACS712ELC-05A，Measuring range: ±5 amps, corresponding Analog output:185mV/A.--- ACS712ELC-20A，Measuring range:....
【Voltage Sensor Module】Voltage input range: DC0-25V.
【Pls Note】: ACS712 is based on the principle of Hall detection, please avoid the influence of magnetic field when using it!.

The sound sensor is suitable for assembly, and installed on various small equipment like microphone and robot.
Microphone sound sensor module possess small size, more stable performance and simpler installation.
Sound sensor module have small volume and low output noise, the fixed gain is 20dB, support 3.3v and 5v.
Low power consumption of sensor is easy to control, more stable and more efficient.
This module uses professional microphone amplifier IC, which possess high sensitivity.

HC-SR04 Ultrasonic Sensor Distance Module: using IO trigger for at least 10us high level signal.
This module has stable performance and accurate measurement distance..
Detection distance: 0.78~196 in/ (2cm~500cm).
This module is fully Compatible with GH-311 anti-theft module..
HC-SR04 Ultrasonic Sensor Distance Module for Nano Robot XBee ZigBee by ElecRight.

Raspberry Pi Pico Evaluation Kit inlclude Raspberry Pi Pico with pre-soldered header ,1.14inch LCD Display Module,10-DOF IMU Sensor Module,Dual GPIO Expander ,830 Quality Breadboard etc.
Raspberry Pi Pico Board,a tiny, fast, and versatile microcontroller board,Built Using RP2040 Microcontroller Chip Designed By Raspberry Pi.
1.14" LCD Display Module for Pico ,Embedded ST7789 Driver, Using SPI Bus.
10-DOF IMU Sensor Module,an IMU sensor expansion module specialized for Raspberry Pi Pico. It incorporates sensors including gyroscope, accelerometer, magnetometer, baroceptor, and uses I2C bus for communication..
Dual GPIO Expander for Pico,Two Sets Of Standard Raspberry Pi Pico GPIO Male Headers.

Whenever you and your family go for vacations, you may used to get worried about your plants because they need water on regular basis. We develop this Automatic Plant Watering System to solve this problem as plants need water according to the moisture level of soil..
The kit includes a plus controller, DHT22 temperature and humidity sensor, I2C LCD, push button modules, power amplifier module, DS3231 clock module, non-contact level liquid sensor, motor driver module, capacitive soil humidity sensor, and pump..
More than 13 well-selected electronic modules and 17 step by step creative tutorials. Full example code is provided and explained and even includes useful software tool..
Multi-purpose: timing watering mode, and the sensor detection mode that when the soil is dry, Arduino will command the water pump to run(up to 4 plants at once)..
Our system measures the soil moisture and waters automatically according to it. A audio power amplifier module tells us when the bucket is empty. I2C LCD displays the temperature and humidity..

Includes WiFi module and (1) F00PF pool /spa sensor.
Easily connects to routers and smart devices using WAP, up to 80 feet open air/line of sight.
NIST time synchronization from Internet with Auto DST, and optional calibration of all measured parameters.
Module powered by 6V, 500mA adapter (included).
Sensor has ssolar panel with 4 x AAA battery back-up (not included).

The kit contains a waterproof digital temperature sensor DS18B20 and a DS18B20 adapter module..
It can measure the temperature directly in the water. Compatible with Arduino UNO R3 / Mega2560..
With pull-up resistor on board, the adapter module can be connected directly to most microcontrollers and it is widely used in temperature monitoring for fish tanks, equipment, machinery, greenhouses..
You can plug the sensor onto the adapter module directory with screwing..
Package Includes: 2X DS18B20 temperature sensor + 2 X adapter modules..

【Doppler Technique Microwave Induction】: The RCWL-0516 Microwave Radar Sensor Module is equipped with Doppler radar technology which is specially designed for detecting objects' motion. With high anti-jamming capability that it'll not be affected by wind, heat or other environmental factors..
【RCWL-9196 Chip】: Equipped with the special signal processing chip RCWL-9196, the radar sensor module has the features of high sensitivity, long sensing distance(5-7M), high reliability, wide detection angle and wide power supply voltage range(4.0-28.0V)..
【5 Ports for Varying Needs 】: 3V3(3V3 Power Output).
OUT(Control output. It will output high level when detect moving objects).
OUT will output low level all the time when the power is lower than 0.7V).
【Penetration Testing Capability】: Compared with the traditional infrared induction PIR, this sensor module has the penetration detection ability..
【Package Inlcudes】: 5x RCWL-0516 Microwave Radar Motion Sensor as pictured..

Promotes a cleaner bathroom and more hygienic experience.
Sensor module detects hand proximity and flushes toilet automatically.
To activate the touchless flush, simply position hand within 1-½ in. over sensor face for approximately two seconds to trigger a powerful flush.
Compact, 2-½ in. sensor module can be installed on wall within 3 feet of toilet or on top of toilet tank.
To activate the manual flush option, ensuring continual operation in the event batteries need replacing, simply push and hold the actuator button for approximately two seconds.
EverClean - Permanently maintains cleanliness of the surface.
Chair height, elongated bowl provides comfortable access and use.
Ultra-low consumption uses 20% less water than a regular toilet without sacrificing performance.
One-year battery life powered by 3AAA sensor and 4 AA control module batteries (included) is based upon an average of 12 flushes per day.