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  • 3-Pin Power Control Micro Switches(pack of 2 units) (micro switch)
    ColorBlack + white + siliver
    MaterialPlastic + copper + iron
    FeaturesCurrent: 0.1A; Voltage: DC 30V
    ApplicationGreat for DIY projects and robotics. Use for collision detection in robotics
    Packing List2 x Micro switches

  • 8-Channel 3.3V to 5V Voltage Converter Module for Raspberry Pi - Blue (8 ch sensor convert)
    Raspberry Pi and jumper cables are not included.


    - Mutual conversion between 3V and 5V, It's convenient for PI connected to external 5V sensors or modules

    - Supports total of 8 channels

    - Range of voltage converted: 1.8V~6VDC

    How to Use:
    In the case of translating between 3.3V and 5V system:
    VCCA connects to 3.3V power supply
    VCCB connects to 5V power supply
    GND connects to power negative pole respectively, the two power supply should be common-grounded with each other
    When Ax has 3.3V input, Bx will get 5V output
    When Bx has 5V input, Ax will get 3.3V output
    NO direction control required
  • HC-SR04 Ultrasonic Sensor Distance Measuring Module (sensor ultrasonic blue)
    - Model: HC-SR04
    - Color: Blue + Silver
    - Working voltage : 5V(DC)
    - Static current: Less than 2mA.
    - Output signal: Electric frequency signal, high level 5V, low level 0V.
    - Sensor angle: Not more than 15 degrees.
    - Detection distance: 2cm~450cm.
    - High precision: Up to 3mm
    - Mode of connection: VCC / trig(T) / echo(R) / GND
    - Module Working Principle:
    - Adopt IO trigger through supplying at least 10us sequence of high level signal
    - The module automatically send eight 40khz square wave and automatically detect whether it receive the returning pulse signal

    A good tutorial available at ModMyPi.

  • TCRT5000 Reflective Infrared Sensor Photoelectric Switches(Pack of 2) (infrared sensor x 2)
    ColorBlack + blue
    MaterialPlastic + iron
    SpecificationDetecting range: 0.591" (15mm); Detecting method: Reflective; Collector Emitter Voltage: 70V; Collector Current: 100mA; Forward Current: 60mA; Output type: Phototransistor; Working temperature: -25~85'C
    FeaturesCompact construction, sense the presence of an object by using the reflective IR beam from the object
    ApplicationPerfect for line tracking robot car DIY project
    Packing ListPack of 2 units
  • 13.56MHz RFID Proximity IC Token Tag Key Keyfobs For Access System (RFID tag)
    Features :

    Small and durable
    Waterproof, shockproof, anti-corrosive.
    Keyring for easy carrying.

    Specifications :

    Main Chip : Fudan F08 compatible S50
    Colour : Blue,Yellow, Black, Grey, Brown...Please contact us for availability
    Size : Approx. 40.5×32×4.2mm
    Operating Frequency : 13.56 MHz
    Communication speed : 106K Boud
    Read and write distance : 2.5 ~ 10cm
    Read and write time : 1 ~ 2ms
    Operating Temperature : -20 ℃ ~ 85 ℃
    Endurance :> 100,000 times
    Storage capacity : 8Kbit, 16 partitions, each partition with 2 group passwords

    Typical applications :
    Enterprise / campus access cards, parking, district management,attendance systems, patrol systems, enterprise systems, access control systems, radio frequency identification field etc.

    Package includes :

    1 x 13.56MHz RFID Keyfob
  • 37-in-1 Sensor Module Kit (37-in-1 sensor kit)

    Use this kit as inputs for sensing and outputs for reporting in your projects.

    Packing List

    1 x XY JoyStick
    1 x Relay
    1 x Big Sound
    1 x Small Microphone
    1 x Tracking
    1 x Avoid
    1 x Flame
    1 x Linear Hall
    1 x Touch
    1 x Digital Temperature
    1 x Buzzer
    1 x Passive Buzzer
    1 x RGB LED
    1 x SMD RGB
    1 x 2-Color LED
    1 x 2-Color
    1 x Reed Switch
    1 x Mini Reed
    1 x Heartbeat
    1 x 7 Color Flash
    1 x Laser
    1 x Button
    1 x Shock
    1 x Rotary Encoders
    2 x Magic Cup
    1 x Tilt Switch
    1 x Ball Switch
    1 x Photo resistor
    1 x Temp and Humidity
    1 x Analog Hall
    1 x Hall Magnetic
    1 x TEMP
    1 x Analog Temp
    1 x IR Emission
    1 x IR Receiver
    1 x Tap module
    1 x Light Blocking

    We found this article explaining what the sensors are used for.
    More to follow soon in our blog under tutorials.
  • 4 Channel Infrared Obstacle Avoidance Sensor Module - Blue (4 sensor infrared kit)
    FeaturesInfrared emission phototube of each channel sensor is giving off infra-red, when infrared ray is not reflected back or intensity is not enough, the infrared receiving phototube is off, TTL output high level, diodes light is off; When objection is in the range of detection, infrared ray is reflected back or intensity is enough, TTL output is low level, diodes light is on
    SpecificationWorking voltage: DC 3.3V~5V; Current: Above 1A; Working Temp: -10~50 centigrade; Installation hole: M3 screw; Detection range: 1mm~60cm(adjustable), the shorter the distance, the better the performance; Sensor size: 25 x 11 x 10mm; VCC,GND: corresponding power supply terminals; DO1, DO2, DO3, DO4: corresponding output terminals
    ApplicationThis module is designed for smart car, robot and automated machines; It provides a kind of multifunction infrared detective system for automation; This module adopts infrared transmitter & receiver and components as a collision detector.
    Packing List1 x Controller
    4 x Sensor modules
    12 x jumper cables (20cm)
  • 433Mhz RF Transmitter With Receiver Kit For Arduino MCU Wireless (tx rx board kit)

    This is a 433Mhz RF transmitter with receiver kit for Arduino ARM MCU wireless
    Application environment:
    Remote control switch, receiver module, motorcycles, automobile anti-theft products, home security products, electric doors, shutter doors, windows, remote control socket, remote control LED, remote audio remote control electric doors, garage door remote control, remote control retractable doors, remote volume gate, pan doors, remote control door opener, door closing device control system, remote control curtains, alarm host, alarm, remote control motorcycle remote control electric cars, remote control MP3.


    Receiver module:
    Product Model: XD-RF-5V
    Operating voltage: DC5V
    Quiescent Current: 4MA
    Receiving frequency: 433.92MHZ
    Receiver sensitivity: -105DB

    Product Model: XD-FST
    Launch distance :20-200 meters (different voltage, different results)
    Operating voltage :3.5-12V
    Dimensions: 19 * 19mm
    Operating mode: AM
    Transfer rate: 4KB / S
    Transmitting power: 10mW
    Transmitting frequency: 433M
    Pinout from left → right: (DATA; VCC; GND)

    Package includes:

     1 x Receiver module
     1 x Transmitter
  • AC 125V 1A Mini SPDT Micro Switch Long Hinge Roller (micro switch roller)

    Action Type:Momentary
    Contact Type:1NO + 1NC
    Material:Plastic, Metal
    Rated Load:AC 1A 125V
    Lever Size (Approx.):13 x 4mm/0.5" x 0.2"(L*W)
    Pin Width:1mm/0.03"
    Size: (Approx.)13 x 6 x 13mm/ 0.5" x 0.2" x 0.5"(L*W*T )

    Package includes:

      2x AC 125V 1A Mini SPDT Micro Switches

  • AM2302 DHT22 Temperature And Humidity Sensor Module (DHT22 temp/humid)


    AM2302 Humicap digital temperature and humidity module is a digital output signal containing a calibrated temperature and humidity combined sensor. It uses dedicated digital module capture technology and temperature and humidity sensor technology to ensure that products has high reliability and excellent long-term stability. Sensor includes a capacitive humidity sensing element and a high-precision temperature measurement device, and with a high-performance 8-bit microcontroller connected. Therefore, the product has excellent quality, fast response, anti-interference ability, low cost and other advantages. Ultra-small size, low power consumption, signal transmission distance up to 20 meters. Making it the best choice for all kinds of applications and even the most demanding applications.


    HVAC (Heating Ventilation Air Conditioning), dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers, home appliances, humidity regulator, medical,weather stations, and other related humidity detection control.


    Dimensions: 40 x 23mm
    Weight: 4g
    Voltage: 5V
    Port: digital two-way single bus
    Temperature range: -40 to 80 °C ± 0.5 °C
    Humidity: 20 to 90% RH ± 2% RH
    Platform: Arduino, SBC

    Package includes:

    1 x Sensor Module

  • BMP180 Digital Barometric Pressure Sensor Board Module (Barometric sensor)

    Product information
    This digital barometer has some interesting applications. By measuring the absolute pressure of the environment and converting this into altitude. you will have a reliable sensor for determining the height of your robot, plane or projectile. This sensor is capable of achieving an accuracy of 1m, with noise of only 17cm in ultra-high resolution. The device will operate at only 0.3uA meaning low current draw for battery powered applications.

    1.8V to 3.6V Supply Voltage
    Low power consumption - 0.5uA at 1Hz
    I2C interface
    Max I2C Speed: 3.5 MHz
    Very low noise - up to 0.02hPa (17cm)
    Fully calibrated
    Pressure Range: 300hPa to 1100hPa (+9000m to -500m)
    Weight: 1.18g
    Size: 21mm x 18mm

    Package includes
    1 x BMP180 Digital Barometric Pressure Sensor Board Module
    1 x Male to Male 4 pin header

  • DC 5V Waterproof Ultrasonic Module Distance Measuring Transducer Sensor (waterproof ultrasonic)

    Operating voltage: DC 5V
    Total current work: 40mA
    Acoustic emission frequency: 40khz
    Maximumdistance: 4.5m
    Blind: 25cm

    + 5V (positive power supply)
    Trig (control side) RX
    Echo (the receiver) TX
    GND (negative)

    Resolution: about 0.5cm
    Angle: 70 degrees
    Working temperature: -10 ~ 70 ℃
    Storage temperature: -20 ~ 80 ℃

    Product Features:

    - small size, easy to use;
    - low voltage, low power consumption;
    - high accuracy;
    - strong anti-jamming;
    - integrated with wire enclosed waterproof probe, suitable for wet, harsh measuring conditions.


    1 Horizontal distance;
    2 obstacle avoidance, automatic control;
    3 traffic control;
    4 security, industrial control;
    5 artificial intelligence, and research

    Basic working principle:
    (1) using IO port TRIG trigger location, to the high level signal of at least 10us;
    (2) module automatically sends 8 40KHz pulse, automatic detecting whether a signal returns;
    (3) on signal return, a high level is output through the IO port ECHO, the time duration of the high level is ultrasonic from launch to return. The test distance = (high level time * speed of sound (340M/S)) /2;

    Package Includes:

    1 x DC 5V Waterproof Ultrasonic Module Distance Measuring Transducer Sensor
  • DHT11 Temperature and Relative Humidity Sensor Module (DHT11 temp/humid)

    Product information
    This module can detect humidity and temperature of the surrounding environment. Outputs a digital signal. Has a mounting hole for easy installation. Includes 3 DuPont wires to interface to microcontroller.

    Humidity measurement range: 20%~90% RH
    Humidity measurement error: ±5% RH
    Temperature measurement range: 0~60 Cƒ
    Working voltage: 5V
    Size: 28 x 12 x 8mm

    Package includes
    1 x DHT11 Temperature and Relative Humidity Sensor Module

  • GPIO Breakout Kit (GPIO breakout kit)
    We created this bundled breakout kit for easy connection from your Raspberry Pi GPIO to the breadboard.
    The bundle is discounted to save you some hard earned cash rather than paying full price for loose components.

    Package includes:

    1 x BreadBoard 400 tie points
    1 x 40-Pin Gray Ribbon Cable (29cm)
    1 x GPIO T Board for easy breadboard connection
    Add to Cart
  • Hall Water Flow Sensor Flowmeter Water Control 2MPa (flow sensor)

    This product is mainly used for water metering
    High amplitude ≥ 4.6V
    Low amplitude ≤ 0.5V
    Electric strength 1250V/min
    Insulation resistance ≥ 100MΩ
    Hydrostatic pressure testing ≤ 2.0Mpa


    The lowest rated working voltage: DC4.5 5V-24V
    Maximum operating current: 15 mA (DC 5V)
    Working voltage range: DC 5~18 v
    Load capacity: ≤ 10 mA (DC 5V)
    Use temperature: ≤ 80°C
    Operating humidity range: 35%~90%RH (no frost)
    Allowing pressure: pressure 2.0Mpa
    Temperature: -25~+80 °C
    External threads: 1/2"
    Outer diameter: 20mm
    Intake diameter: 9mm
    Outlet diameter: 12mm


    Water heaters, water vending machines, flow measurement

    Package included:

    1x Water flow sensor
  • Infrared Obstacle Avoidance Sensor (IR detecter 1 channel)
    The sensor module light is adjustable to the environment, the working voltage is 3.3 V to 5 V.
    It has a pair of infrared transmitting and receiving LEDs, when detecting obstacles (reflecting surface), receiving LED detects it.

    After the comparator circuit processing, a green indicator will light up, at the same time the signal output interface will output a digital signal (a low level signal), can be adjusted to detection distance through the potentiometer, effective distance range 2 ~ 80 cm, easy to assemble and use. It can be widely used in robot obstacle avoidance, line following and so on in many projects.
  • IR - Infrared Receiver (TSOP38238) (infrared receiver)

    IR (Infrared) sensor tuned to 38KHz, perfect for receiving commands from a TV remote control. Runs at 3V to 5V so it's great for use on the Raspberry Pi!

    To use, connect pin 3 (all the way to the right) to 5V power, pin 2 (middle) to ground and listen on pin 1. It doesn't do any decoding of the signal, just passes the 'raw data' along.

    TSOP38238 Technical Features:

    • Carrier Frequency: 38kHz
    • Transmission Range: 45m
    • Directivity: 45°
    • Supply Voltage Min: 2.5V
    • Supply Voltage Max: 5.5V
    • Supply Current: 350µA
    • Opto Case Style: Through Hole
    • Operating Temperature Min: -25°C
    • Operating Temperature Max: 85°C
    • Packaging: Each
    • Operating Temperature Range: -25°C to +85°C
    • SVHC: No SVHC (16-Dec-2013)
    • Supply Voltage Range: 2.5V to 5.5V
    • Manufacturer: VISHAY MINICAST AGC2
  • Liquid level sensor Right Angle Float Switch (Sensor liquid level RA)

    The liquid level switch detects the rising level of liquid in a sump or tank. It can be connected to a micro controller. It can then be used to start/stop a pump which then pumps liquid in/out until the level of the liquid has been restored to the point where the pump is switched off again. The switch may be used in a pump station, a sensor, a tank alarm, or other devices.



    Contact Rating: 10W

    Switching Voltage: 220V

    Switching Current: 0.5A

    Breakdown Voltage: 220VDC

    Carry Current: 1.0A

    Contact Resistance: 100mohm


  • Maplin Anemometer for windspeed (maplin anemometer)
    Maplin Anemometer as used in the Raspberry Pi foundation weather station project to measure windspeed.
    Hack this component to form part of your weather station.

    View the project details here

    And some more help here

    Article specific to the anemometer only

  • Maplin Rain Gauge (Maplin Rain Gauge)
    Maplin rain gauge as used in the Raspberry Pi foundation weather station project to measure rainfall.
    Hack this component to form part of your weather station.

    View the project details here

    And some more help here

    Article specific to the rain gauge only
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