FM Transmitter Module Wireless Microphone Surveillance Frequency 88-108MHz

Double-ended 50cm Cable Crocodile Clips

 Double-ended 50cm Cable  Crocodile Clips 5 colour available Red, Black, White, Green, Yellow.

TSOP38236 IR Receiver

The TSOP38236 is a miniaturized receiver for infrared remote control systems. A PIN diode and a preamplifier are assembled on a lead frame, the epoxy package acts as an IR filter. The demodulated output signal can be directly decoded by a microprocessor.

5mW Adjustable Laser Dot Diode Module

5mW Adjustable Laser Dot Diode Module Features: 1. Output Power: 2-5mW2. Wavelength: 650nm3. Working Voltage: 3v - 5v4 .Laser Shape: Dot5. Working temperature: -10 C-40 C

Current Sensor ACS712-20A

DESCRIPTION Sensor module for measuring current. Both AC and DC, up to 20A can be measured. The output is a linear voltage between 0 – VCC, centered around VCC/2 at 0A. The load is connected in series to the screw terminal. * Dimensions: 31 x 13mm* Supply voltage: 5V* Sensitivity: 185mV/A* Sensor: ACS712ELC-05B

Sound Sensor Module for Arduino

LM35 Temperature Sensor Waterproof

This sealed analog temperature probe lets you precisely measure temperatures in wet environments. The LM35 are precision integrated-circuit temperature sensors, with an output voltage linearly proportional to the Centigrade temperature.

APDS-9930 RGB and Gesture Sensor

Description: This is RGB and Gesture Sensor, a small breakout board with a built in APDS-9960 sensor that offers ambient light and color measuring, proximity detection, and touchless gesture sensing. This is, in fact, the same sensor that the Samsung Galaxy S5 uses and is probably one of the best gesture sensors on the market for the price.

IR Transmitter - White (5mm)

IR Transmitter - White (5mm) 5 mm Clear Transparent Round Small Lens (Emitting Angle: 30 degrees) Forward Voltage / Direct Current : DC 1.5 Volt 20 mA (Low Voltage Energy Saving) Infrared Ray 850nm (Luminous Invisible Light) for Night Vision CCTV Security Camera Polarity (1.5 V) : Anode (Longer Part) | Cathode (Shorter Part)

Arduino GSM / GPRS / GPS Shield

Overview GSM/GPRS/GPS Shield is an Arduino shield based on the Quad-band GSM/GPRS/GPS module SIM908.

HB100 Microwave Sensor 10.525GHz Doppler Radar Motion Detector Arduino

Type: Microwave SensorChip: HB100Frequency: 10.525GHzVoltage: DC 5V±0.25VCurrent: 40mASize: 38 x 45 x 7 mm (L x W x H)Application: Automatic door startup, Car, House intrusion alarm, Collision warningTraffic monitoringNote:Please pay attention to the Voltage/Current/Power of your own devices.To ensure product safety, check whether this item is compliant...

Superbright Ultra Violet LED UV Lamp 5mm 2500mcd

Superbright Ultra Violet LED UV Lamp 5mm 2500mcd **Damage from UV exposure is cumulative and increases your skin cancer risk over time. So be careful when you use it.

Line Following Sensor 5 Array

5-channel tracing module analog output, analog output and distance, object color-related. 

Thermocouples - K Type 800C WRN-291 200mm Rod

Thermocouples - K Type 800C WRN-291 200mm Rod 7.8 inch Rod/ 200mm Rod Screw Type

Brand: Waveshare

Dust Sensor For Arduino

Dust Sensor, A simple Air Monitor Overview Sharp GP2Y1010AU0F onboard, detecting fine particle larger than 0.8μm         in diameter, even like the cigarette smoke Low power consumption, analog voltage output, the output level is linear         with dust density Embedded voltage boost circuit to support wide range of power supply

Brand: Waveshare

Liquid Level Sensor for Arduino (WaveShare)

Specifications Detection depth: 48mm Power: 2.0V ~ 5.0V Dimension: 19.0mm * 63.0mm Mounting holes size: 2.0mm

Sharp GP2Y0A21YK0F Analog Distance Sensor 10-80cm

The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar rangefinders, yet it provides much better performance than other IR alternatives. Interfacing to most microcontrollers is straightforward: the single analog output can be connected to an...

Formaldehyde/ Formalin Detection Sensor

VOC gas sensors are used to detect formaldehyde, toluene, benzene, etc., is a type of semiconductor sensors, it is widely used in ventilation, ventilation fans, air filters, hood, hood and other equipment. With high sensitivity and stability, able to detect more than 0.1ppm gas, air suitable for detecting a variety of volatile organic components...

Digital PH Meter Tester Aquarium Pool Water Urine Wine LCD Pen Monitor Protable

This digital pen style PH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food, beverage etc.This PH meter is highly efficient and accurate due to its advanced microprocessor technology.Big LCD display screen which has great waterproof performance and let you easily read the displayed value....

IR Infrared Obstacle Avoidance Sensor Module

MQ-2 Flammable Gas & Smoke Sensor

Gas Sensor(MQ2) module is useful for gas leakage detection (home and industry). It is suitable for detecting H2, LPG, CH4, CO, Alcohol, Smoke or Propane. Due to its high sensitivity and fast response time, measurement can be taken as soon as possible. The sensitivity of the sensor can be adjusted by the potentiometer.

IR Receiver Diode (3mm)

IR Receiver Diode (3mm) IR receiver diodes can be used in object detection applications like line follower,obstacle detecting robots etc.These were used in our IR Sensor Array.

Honeywell HMC5983 Temperature Compensated Three-Axis Digital Compass

The HMC5983 includes our state-of-the-art, high-resolution HMC118X series magnetoresistive sensors plus an ASIC containing amplification, automatic degaussing strap drivers, offset cancellation, and a 12-bit ADC that enables 1° to 2° compass heading accuracy. The I²C or SPI serial bus allows for easy interface.

TSL2561 Luminosity & Infrared Light integrating sensor

TSL2561 Luminosity & Infrared Light integrating sensor

Line Follower Sensor- 8 Array

Compatible with Pololu QTR-8RC Library  Max Distance from Ground: 3mm. Digital Line Follower Parameters: 1. Working voltage:5V2. 8-channel infrared detector / IR Reflectance  Applications: 1. Robot2. Smart Car3. Laboratory4. DIY

Voltage to Current Transmitter Signal Module 0-5V to 4-20mA Linear Conversion

Voltage to Current Transmitter Signal Module 0-5V to 4-20mA Linear Conversion

Optical Dust Sensor - GP2Y1010AU0F

Supply voltage: 5-7V Operating temperature: -10-65 Celsius degree Consumption current:20mA max GP2Y1010AU0F is a dust sensor by optical sensing system

ADXL345 Triple Axis Accelerometer Breakout

MQ-8 Hydrogen Gas Sensor

This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast response time.

MAX31865 SPI PT100/PT1000 RTD-to-Digital Converter Board

Weighing Sensor 24 Bit HX711 Dual-Channel

Weighing Sensor 24 Bit HX711 Dual-Channel Precision A/D Module Pressure Sensor. This module uses 24 high precision A/D converter chip HX711. It is a specially designed for the high precision electronic scale design, with two analog input channel, the internal integration of 128 times the programmable gain amplifier.