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Best Smoke Sensor Module

uxcell BWL100 100 mm Pull Rod Linear Position Displacement Sensor for Printer

  • Shipping list: AC 220V vibration sensor delay module, with ultra-high sensitivity vibration sensor..
  • AC 220V power supply ultra-high sensitivity vibration delay module plus relay module plus delay three-in-one module, vibration switch module Alarm trigger, with 1 vibration sensor. Relay does not have B1 normally closed end..
  • corridor delay switch, delay energy-saving products.
  • Supply voltage: AC 220V power supply, Current: greater than 100mA.
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HiLetgo MEGA2560 ATmega2560-16AU Sensor Shield Sensor Expansion Board V2.0 with Bluetooth SD Card APC220 Wireless RF Ultrasonic Sensor Communication Interface

  • This MEGA Sensor Shield V2.0 dedicated sensor expansion board assembly market a variety of advantages in one of the expansion board design, PCB Immersion Gold processing technology..
  • Board not only all digital and analog interface to the steering gear line order form extended out, but also ad hoc Bluetooth module communication interface, SD card module communication interface, APC220 wireless RF module communication interface, and RB URF v1.1 ultrasonic sensor interface, independent expansion a more easy and convenient..
  • For beginners, do not have to worry about cumbersome and complex circuit connection, will simplify this circuit sensor expansion board in the true sense, it can often be easily connected with the sensor..
  • A sensor requires only a general 3P sensor cable (regardless of digital cable and analog cable), complete the circuit connection, the preparation of the corresponding program downloaded to MEGA controller reads the sensor data, or receive wireless module back pass data through the arithmetic processing, the final easy to complete your own interactive works..
  • Sensor Shield allows you to connect to various modules like sensors, servos, relays, buttons, potentiometers..
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WayinTop 2pcs ACS712 Hall Effect Current Sensor Module 30A Range ACS712 Module + 2pcs 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..
  • 【Current Sensor Module】Chip: ACS712ELC-30A.
  • Pin 5V power supply, on-board power indicator.
  • The module can measure positive and negative current of 30 amperes, corresponding to analog output of 66mV/A..
  • 【Voltage Sensor Module】Voltage input range: DC0-25V.
  • DC input connector: Terminal cathode connected to VCC, GND negative pole.
  • Output interface: "+" then 5/3.3V, "-" then GND, "s" then the for Arduino AD pins..
  • 【Package Included】2 x ACS712 Hall Effect Current Sensor Module + 2 x Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor.
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DollaTek 5Pcs SW-420 NC Type Vibration Sensor Module Vibration Switch

  • Shipping list: 1 channel 24V vibration sensor plus relay module with 1 meter long shock sensor.
  • 6-24V wide voltage power supply stable version With 1 meter long vibration sensor module, this module has no vibration delay function..
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UMLIFE 3pcs ACS712 Hall Effect Current Sensor Module 30A Range ACS712 Module + 3pcs Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor for Arduino Raspberry Pi

  • ❃❃ Package Included：3 x ACS712 Hall Effect Current Sensor Module + 3x Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor.
  • ❃❃A wide range of applications:The current sensor ACS712 provides economical and accurate solutions for ac or dc sensing in industrial, commercial and communication systems. Typical applications include motor control, load detection and management, switching power supply and overcurrent fault protection..
  • ❃❃ACS712 Hall Effect Current Sensor Module：Chip: ACS712ELC-30A.
  • Pin 5V power supply, on-board power indicator.
  • ❃❃Voltage Sensor Module：Voltage input range: DC0-25V.
  • input : Terminal cathode connected to VCC, GND negative pole.
  • Output interface: "+" then 5/3.3V, "-" then GND, "s" then the for AD pins..
  • ❃❃Perfect Combination：Using this product can measure both voltage and current, very suitable for DIY electronic design projects..
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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!.
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ICC/Intervox MEU-65PD-02-704, Microphone; 100 to 12000 Hz; 2 V; 0.5 mA (Max.); 6 mm x 5.2 mm; -70 dB

  • 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.
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ACEIRMC HC-SR04 Ultrasonic Sensor Distance Module for Nano Robot XBee ZigBee by ElecRight（5pcs

  • 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.
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waveshare for Raspberry Pi Pico Evaluation Kit B Include Pi Pico Board with Pre-Soldered Header,1.14inch RGB Color LCD, 10DOF IMU Sensor Module,Dual GPIO Expander,Breadboard

  • 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.
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KEYESTUDIO Starter Kit V2 for Arduino with RJ11 Connector, Great STEM Education Kit for Students, Teachers and Hardware Enthusiast

  • 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..
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Ambient Weather WS-100-F007PF Smart Home Weather Station WiFi Module w/ Pool & Spa Sensor

  • 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).
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GAOHOU 2 PCS DS18B20 Waterproof Digital Temperature Sensor with Adapter Module for Arduino

  • 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..
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First Alert Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm & SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm

  • Product 1: Battery-operated smoke and carbon monoxide alarm.
  • Product 1: Connects multiple alarms together for wireless safety network.
  • Product 1: Voice alarm gives clear indication of where the problem is located.
  • Product 1: Features photoelectric smoke sensor and electrochemical CO sensor.
  • Product 2: Battery operated smoke and carbon monoxide alarm can be installed easily.
  • Product 2: Connects multiple alarms together for wireless safety network.
  • Product 2: Voice alarm gives clear indication of where the problem is located.
  • Product 2: Features photoelectric smoke sensor and electrochemical CO sensor.
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