Sensor Module
HC-SR501 Module Human Infrared Sensor Module SUNLEPHANT Pyroelectric Infrared Sensor
$8.00
Now:
$6.00
1. Operating voltage range: DC voltage 5-20V2. Static current:
LDTR-WG0237 Plant Watering Alarm Humidity Moisture Sensor for Arduino (Black)
$12.00
Now:
$10.00
1. This is a plant watering alarm - as simple as that. You put it into the soil near a plant and it emits a tiny chirp when the soil is dry, reminding you to water the plant. It uses capacitive humidity sensing as opposed to resistive humidity sensing,...
Mini High Efficiency Ultra Small Size DC-DC Step-Down Module 12V-24V To 5V3A Car
$8.00
Now:
$6.00
Type:Voltage Regulator1. Package: Step-down module2. Power: Standard3. Size: 20*11*5 mm4. Input voltage: DC 4.5-24V5. Output voltage: integrated adjustable and fixed output, fixed output voltage on the back6. Adjustable range (0.8-17V), fixed voltage (1...
MFRC-522 RC522 RFID RF IC Card Sensor Module with S50 Fudan Card
$9.00
Now:
$7.00
1. Package includes: RFID-RC522 module X1, standard S50 blank card X1, S50 special-shaped card (as shown in the shape of the key ring); a straight row and a bent row of pins;2. Working current: 13-26mA / DC 3.3V3. Idle current: 10-13mA / DC 3.3V4. Sleep...
IRSW20B USB Reflective Photoelectric Switch
$34.00
Now:
$26.00
Product manual1. Through-beam photoelectric switch (IRSW20B) is a customizable USB button.It is equivalent to a standard HID USB keyboard and mouse. The switch function can be customized to any key,combination, mouse or character string through the...
HC-SR04 Ultrasonic Sensor Distance Measuring Module for PICAXE Microcontroller Arduino UNO
$10.00
Now:
$8.00
Main Features: 1. Brand new Ultrasonic Sensor HC-SR04 Distance Measuring Module 2. Features 4-mode connections: VCC / trig (T) / echo(R) / GND 3. With electric frequency output signal from 0V to 5V 4. Has high precision up to 3mm 5. 5VDC power supply 6...
High Sensitivity Microphone Sensor Module for Arduino
$9.00
Now:
$7.00
1. Type: Sensor Module 2. Easy and convenient to use 3. Mainly Compatible with: Ardunio
10 PCS Sound Detection Sensor Module Microphone Module Voice Control Whistle Switch For Arduino(Blue Board)
$15.00
Now:
$12.00
1. It can detect the sound intensity of the surrounding environment. Note: This sensor can only identify the presence or absence of sound (according to the principle of vibration) and cannot identify the size of the sound or the sound of a specific...
Waveshare BME688 Environmental Sensor Supports Temperature / Humidity / Barometric Pressure / Gas Detection
$68.00
Now:
$53.00
1. Onboard BME68X sensor to measure temperature, humidity, barometric pressure and gas2. Support I2C interface communication, can set I2C address, support I2C bus cascading3. Support SPI interface communication, the default is I2C interface, SPI can be...
Waveshare BME680 Environmental Sensor Supports Temperature / Humidity / Barometric Pressure / Gas Detection
$39.00
Now:
$30.00
1. Onboard BME68X sensor to measure temperature, humidity, barometric pressure and gas2. Support I2C interface communication, can set I2C address, support I2C bus cascading3. Support SPI interface communication, the default is I2C interface, SPI can be...
Microwave Radar Human Body Sensor Switch Detection Module(RCWL-0516)
$8.00
Now:
$6.00
1. Sensing distance: about 3-5 meters2. Using Doppler radar technology, a microwave sensor module that specifically detects object movement3. The module has the characteristics of high sensitivity, long sensing distance, strong reliability, large sensing...
5 PCS TP4056 Charging Board Module Micro USB Interface Microphone USB for 1A Lithium Battery
$9.00
Now:
$7.00
Application:BatteryInput voltage:4.5V-5.5VFull charge voltage:4.2V1. Supply current: 1A2. Application area: Smart home3. Charging method: linear charging 1%4. Charging current: 1A adjustable5. Charging accuracy: 1.5%6. Charging indication: Red light...
25A 11.1V-12.6V Over-Current Over-Charge Protection Board with Equalization for 18650 Lithium Battery 3 String 12V 25A
$9.00
Now:
$7.00
Type:Voltage RegulatorModel Number:3S 25A 186501. Supply current: 25A2. Power supply voltage: 12v3. Power: Standard4. Number of pins: 05. Use: Instrument6. Package: 3 strings of 12v25a7. Rated voltage: 12.6v8. Size: 56*45*4.0mm
RFID-RC522 DIY Safety Key Fob Sensor RF IC Card Module Board
$10.00
Now:
$8.00
Main Features: 1. Working current: DC 3.3V / 13 - 26mA 2. Idle current: DC 3.3V / 10 - 13mA 3. Sleep current: < 80uA 4. Peak current: < 30mA 5. Working frequency: 13.56MHz 6. Supports card: Mifare1 S50, mifare1 S70, mifare Ultralight, mifare Pro,...
Reed Sensor Board for PBX / Photocopiers / Washing Machines / Refrigerators / Cameras / Disinfection Cabinets
$9.00
Now:
$7.00
1. Type: Reed Sensor Board 2. Material: PCB 3. Mainly Compatible with: Ardunio 4. Reed Sensor Board for Doors / Window Magnetics / Electromagnetic Relays / Electronic Weighing 5. Easy and convenient to use
5A Constant Current Constant Voltage LED Drive Adjustable Power Supply Lithium Ion Battery Charging Current Voltage Meter
$15.00
Now:
$12.00
How to charge the battery: 1. Determine the float voltage and charging current of the rechargeable battery, the input voltage of the module;2. Adjust the constant voltage positioner and adjust the output voltage to about 5V.3. Use the multimeter 10A...