Sensors

Sensors
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R19.90  Inc VAT
Use this kit as inputs for sensing and outputs for reporting in your projects.
R229.90  Inc VAT
R170.48  Inc VAT
R179.90
Create your own little Arduino FM radio using this receiver
R129.90  Inc VAT
This is a nice board to add to your weather station or irrigation automation project
R24.90  Inc VAT
This HC-SR505 small body sensing module is based on infrared technology perfect to use in your sensing projects eg. alarm, motion camera etc
R44.90  Inc VAT
IR - Infrared Receiver (TSOP38238) (2B3 TSOP 38238 infrared receiver)

Description:

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.

Specifications:

  • 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

Contents:

  • 1x Infrared Receiver

Resources:


R19.17  Inc VAT
Mini Joystick Module (Mini Joystick Module 4B2)
Description:

This is PSgame joystick module.
Lots of control projects need joysticks. This module provides an affordable solution to that. Simply connect to two analog inputs, the robot is at your commands with X,Y control. It also has a switch that is connected to a digital pin. This joystick module can be easily connect to a micro controller via normal GPIO with jumper cables.
No soldering required, Reusable for prototyping or design applications of electronic circuits, modify or revise the circuits easily.
Accept resistors,transistors, diodes, LEDS, capacitors and other types of electronic components.
An invaluable tool for experimenting with circuit designs.
Directional movements are simply two potentiometers - one for each axis
Compatible with Arduino interface
Brand: KEYES
Model: KY-023

Specifications:

Three axis (X,Y,Z and button)
Size:37x25x32mm
Weight: 15 g
Tie-point 700
ABS plastic material
Completely reusable
Phosphor bronze nickel plated spring clips
Accepts a variety of wire sizes(29-20 AWG)

Package includes:

1 x PS2 joystick module

Getting started
R19.90  Inc VAT
PIR Infrared Motion Sensor (HC-SR501) (2B3 pir sensor big)

Description:

PIR sensors, often referred to as, "Passive Infrared" or "IR motion"  sensors, enable you to sense motion. Everything emits a small amount of  infrared radiation (IR), and the hotter something is, the more radiation  it emits. PIR sensors are able to detect a change in average IR levels  of their detection zone (e.g. when a human enters a room, that room will  increase in temperature slightly) and hence sense motion. 

This  one's great, as it can be powered  via the Raspberry Pi's 5V output, and  be read directly from the Raspberry Pi's GPIO input (as the sensor has a  digital 3.3V output!)

This PIR includes an adjustable delay  before firing (approx 0.5 - 200 seconds), has adjustable sensitivity and  two M2 mounting holes! It runs on 4.5V-20V power (or 3V by bypassing  the regulator with a bit of soldering) and has a digital signal output   (3.3V) high, 0V low. Its sensing range is up to 7 meters in a 100  degree cone.

Specifications:

  • Input Voltage: 4.5V - 20V
  • Current Draw: <50µA
  • Digital Output: 3.3V (High)
  • Digital Output: 0V (Low)
  • Working Temperature: -15°C to 70°C
  • Delay Time: 0.5 - 200 Seconds
  • Sensing Angle: 100° Cone
  • Range 5m - 7m

 

Dimensions:

  • Sensor Lens Diameter: 23mm
  • Length: 24.03mm
  • Width: 32.34mm
  • Height (with lens): 24.66mm
  • Centre screw hole distance: 28mm
  • Screw hole diameter: 2mm (M2)

Contents:

  • 1x HC-SR501 Motion Sensor

Resources:

R32.90  Inc VAT
8-Channel 3.3V to 5V Voltage Converter Module for Raspberry Pi - Blue (2B4 8ch blue convert sensor)
Raspberry Pi and jumper cables are not included.

Highlights:

- 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
R39.90  Inc VAT
37-in-1 Sensor Module Kit (C22 37-in-1 sensor kit)

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

We found a nice tutorial that covers most of the sensors here

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: http://www.instructables.com/id/Arduino-37-in-1-Sensors-Kit-Explained/?ALLSTEPS
Use this kit as inputs for sensing and outputs for reporting in your projects.
R229.90  Inc VAT
Liquid Water level sensor Side Mounted Float Switch (2A2 liquid level side mounted)

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.

 

Specification:

Contact Rating: 10W

Switching Voltage: 220V

Switching Current: 0.5A

Breakdown Voltage: 220VDC

Carry Current: 1.0A

Contact Resistance: 100mohm


Resources:

Python library
Introduction to Buttons and Switches
Types of buttons and switches

 

R34.90  Inc VAT
GPIO Breadboard Breakout Kit (1A2 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
R170.48  Inc VAT
R179.90
MS Weather Station Wind Direction Sensor (1B6 MS wind vane)
MS wind vane as used in the Raspberry Pi foundation weather station project to measure wind direction.
Hack this component to form part of your weather station.

View the project details here

And some more help here

Article specific to the wind vane only
R399.90  Inc VAT
MS Weather Station Rain Gauge (1B6 MS Rain Gauge)
MS 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
R259.90  Inc VAT
DC 5V Waterproof Ultrasonic Module Distance Measuring Transducer Sensor (2B3 waterproof ultrasonic)
Specifications:

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

Wiring:
+ 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.

Application:

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;

Usage

Package Includes:

1 x DC 5V Waterproof Ultrasonic Module Distance Measuring Transducer Sensor
R229.90  Inc VAT
5V Infrared Line Tracking Sensor Module (2B3 line track sensor)
Features:

Size: 3.5 x 1cm
Power supply: 5V DC
Detector distance: 10mm
Build-in Tcrt5000 Sensor NSOR
Applicable to a variety of platforms including Arduino / AVR / ARM /PIC

Package includes:

1 x Tracking Sensor Module

Build A Line-following robot
R24.90  Inc VAT
SparkFun Logic Level Converter Bi-Directional (3A4 Sparkfun logic level converter )

If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time.

This level converter also works with 2.8V and 1.8V devices. What really separates this Logic level converter from our previous versions is that you can successfully set your high and low voltages and step up and down between them safely on the same channel. Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided for each side.

The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the ‘HV’ pin, low voltage (3.3V for example) to ‘LV’, and ground from the system to the ‘GND’ pin.

Dimensions: 0.63 x 0.52" (16.05 x 13.33mm)

Documents:

R57.90  Inc VAT
KY-022 Infrared Sensor Receiver Module (2B5 IR receiver board)
Description:

Infrared receiving module adopts 1838 infrared receiving head
Light resistance, strong electromagnetic interference, built-in infrared dedicated IC, can work under 500 lux light intensity
Widely used in remote control toys, satellite receivers, air conditioner, heater, electric fan, lighting and other home appliances.

Specifications:

Dimension: 6.4 x 7.4 x 5.1mm
Receiving angle: 90 °
Working voltage: 2.7 ~ 5.5V
Frequency: 37.9KHz
Receiving range: 18m

Package includes:

1 x Infrared sensor receiver module

Wiki
R19.17  Inc VAT
TEA5767 FM Stereo Radio Module 76-108MHZ For Arduino With Antenna (3A4 FM receiver module)
Features:

Frequency range from 76-108MHZ automatic digital tuning.
High sensitivity, high stability, low noise, radio module.
A low-power electro-tuning FM stereo radio circuit, which integrates the IF frequency selection and demodulation network.
High sensitivity (Using low noise RF input amplifier)
High-gain automatic gain control (AGC) circuit
LC tuned oscillator fixed chip.

Specifications:

Board size: 31 x 30 mm
With a power reverse-protection diode
Board comes with power output filter inductor
Multiple capacitor combination filter
Blue power indicator
You can directly pull and plug the antenna port
I2C bus communication
FM radio TEA5767 dedicated chip module
Onboard headphone amplifier chip TDA1308 for audio amplification
Onboard 3.5mm audio interface, can be directly connected to headset amplifier
If connected with single chip, only need to connect the power ground and two I2C communication lines

Package includes:

1 x TEA5767 Radio Module

Instructable
Create your own little Arduino FM radio using this receiver
R129.90  Inc VAT
Tank Float Switch Water Level Controller Sensor (2A1 Tank Float switch)
Specifications:

Shape: Square
Contacts: NO+NC
Rated voltage: 250V(380V)
Rated current: 8A(4A)
Working temperature: 0℃<=water temperature<=65℃
Mechanical endurance: ≥100,000times
Electrical endurance:≥50,000times
Cable length: 1.9m / 74"
Environment: pool, water tank/dam
Control level difference > 40cm

Features:

Easy to use, easy to install,
Safe, reliable, maintenance-free, non-toxic and environmentally friendly.

Package includes:

1 x Float Switch Liquid Level Controller Sensor
R379.90  Inc VAT
MQ-3 Alcohol Ethanol Sensor Breath Gas Detection Module (2B5 MQ3 alcohol sensor orange)
Description:

The main chip: LM393, MQ-3 gas sensor
Operating voltage: DC3-5V
Response time: ≤10s (70% Response)
Recovery time: ≤30s (70% Response)
Heating resistance: 31Ω±3Ω
Heating Current: ≤180mA
Heating Voltage: 5V±0.2V
Heating Power: ≤900mW
detect Voltage: ≤15V
Ambient Temperature: -10℃ to 65℃,
Humidity: ≤95%RH
Storage conditions: Temperature:-20℃-70℃,Humidity:≤ 70%RH

Features:

Signal output instructions:
Dual signal output (analog output, and TTL level output);
TTL output valid signal is low, can be connected directly to the microcontroller;
0 ~ 5V analog output voltage, the higher the concentration the higher the voltage;
Has a high sensitivity and good selectivity to ethanol vapor;
Has a long life and reliable stability;
Rapid response recovery characteristics;

Applications:

For motor vehicle drivers and other non-drinking and operating personnel on-site testing, also used in other places of ethanol vapor detection, detection of alcohol: detection range of 10 to 1000ppm

Package includes:

1 X Alcohol sensor module

Analog to Digital converter not included
Wiki
R49.90  Inc VAT
MQ-2 Smoke Gas LPG Butane Gas Sensor Detector (2B5 MQ2 LPG gas sensor)
Features:

1. Using high-quality dual-panel design, with power indicator and TTL signal output instructions
2. there are four screw holes for easy positioning
3. Analog output voltage with the higher concentration of higher voltage
4. TTL output valid signal is low. (Low-level signal when the output light can be directly connected to the microcontroller or relay module)
5. The switching signal having a DO (TTL) output and analog output AO


Special note:
After the sensor is powered, wait about 20S until measured data becomes stable.
Heat in the sensor is a normal phenomenon due to the internal heating wire.


Specifications:

Size: 32mmX22mmX27mm
Chip: LM393, ZYMQ-2 gas sensors
Working voltage: DC 5V
AO output :0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
DO output: TTL digital 0 and 1 (0.1 and 5V)
Input voltage: DC 5V 150mA


Package Includes:
1 x MQ-2 Gas Sensor Module

Getting started with MQ-x
Analog to Digital converter not included
R39.90  Inc VAT
Rain Detector Weather Sensor Module (2B3 Rain Detector)
Description:
The item is for use as a rain sensor, monitoring can be used for a variety of weather conditions, and converted into the number of the reference signal and the AO output.
The sensor uses FR-04 high-quality double-sided material, King Size 5.0 * 4.0CM, and with a surface of nickel plating treatment against oxidation for superior performance and longevity;
The output is in the form of digital switching outputs (0 and 1) and analog AO voltage output;Sensitivity can be adjusted via the potentiometerLED lights up when there is no rain, output is high.

Specifications:
Small board PCB size: 32mm x 14mm
Operating voltage: 3.3V-5V

How to use:
Connected to 5V power supply, the power indicator will light up.
With no water droplets, DO output is high, LED turns off.
Dropping on a drop of water, DO output is low, the indicator light switch on,Brush off the the above water droplets, has returned to output high state. . . .

Connection mode:
1, VCC: positive power supply (3-5V)
2, GND: negative one.
3, DO: TTL switching signal output
4, AO: Analog signal output

Package includes:
1 x Rain sensing board
1 x Control board
5 x 20cm Dupont Line

Magpi example
This is a nice board to add to your weather station or irrigation automation project
R24.90  Inc VAT
HC-SR505 Mini Infrared PIR Motion Sensor (3A3 Mini PIR sensor)
Specifications:
 
Size: 40 x 10 x 13mm
Net weight: 2g
 
Technical parameters:
 
1. Operating Voltage Range: DC4.5-20V
2. Static current: <60uA
3. Output level: High 3.3V / Low 0V
4. Trigger: repeatable trigger (default)
5. Delay time: Default 8S + -30% 
6. PCB Dimensions: 10 x 23mm
7. Induction angle: <100 degree cone angle
8. Induction distance: 3 meters
9. Working temperature: -20 - +80 degrees
10. Sensor Lens Dimensions: Diameter: 10mm (default)
 
Applications:
 
sensors toys
Security Products
Industrial automation and control
Auto-sensing of electrical equipment
Battery-powered automatic control
 
Package Includeds:
 
1 x HC-SR505 Mini Infrared PIR Motion Sensor

Read the Docs
This HC-SR505 small body sensing module is based on infrared technology perfect to use in your sensing projects eg. alarm, motion camera etc
R44.90  Inc VAT
GY-BNO055 9DOF 9-axis BNO055 Sensor (2B2 9 axis sensor)
Features:
 
Module Model: GY-BNO055
Use the chip: BNO-055
Power supply: 3-5v (internal low voltage regulator)
Communication method: standard IIC / serial communication protocol
Module size: 12mm x 20mm
 
Applications:
 
Bosch Sensortec BNO055 Intelligent 9-Axis Absolute Orientation Sensor is a System in Package (SiP), integrating a triaxial 14-bit accelerometer, a triaxial 16-bit gyroscope with a range of ±2000 degrees per second, a triaxial geomagnetic sensor and a 32-bit ARM Cortex M0+ microcontroller running Bosch Sensortec sensor fusion software, in a single package. The corresponding chip-sets are integrated into one single 28-pin LGA 3.8mm x 5.2mm x 1.1mm housing. For optimum system integration the BNO055 is equipped with digital bidirectional I2C and UART interfaces. The I2C interface can be programmed to run with the HID-I2C protocol turning the BNO055 into a plug-and-play sensor hub solution for devices.

Package Includes:

1 x BNO055 Sensor Module

Usage:

Adafruit learning

Change -> bno = BNO055.BNO055(serial_port='/dev/ttyAMA0', rst=18)

To -> sensor = adafruit_bno055.BNO055(rst=17, address=0x60) # the address obtained with i2cdetect -y 1

R329.90  Inc VAT
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