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• Convert and increase your Ethernet connections from 1 to 2 sockets
• High purity oxygen free copper conductor
• Polyethylene (LDPE) / PVC insulation
• High-fidelity design
• exquisite workmanship
• easy to use, effective
• very practical in home and office use
• Interface: 3 x RJ45 eight core standard jack socket
• Size: 42mm x 35mm x 20mm
• Uses: extended, dock two network lines into a longer network cable

• High purity oxygen free copper conductor
• Polyethylene (LDPE) / PVC insulation
• High-fidelity design
• exquisite workmanship
• easy to use, effective
• RJ45 eight core standard jack socket

• Product Name : Photoelectric sensor ( retroreflective type)
• Model : G18-3B2NC;
• Wire Type : DC 4 Wires Type (Brown, Black, Blue,White);
• Switch Appearance Type : Cylinder Type,
• Theory : Photoelectric sensor retroreflective type;
• Output Type : NPN NO NC (Normally Open and normally close);
• Diameter of Head : 18mm;
• Detecting Distance : 2m;
• Detecting Object : Metal, non metal (body, hand, paper, food ...), Transparent or opaque boday
• Supply Voltage : DC 10-30V;
• Current Output : 200mA;
• Response Frequency : 100Hz
• External Material : Plastic, Alloy
• Protection grade: IP66

Find more info on Arduino at https://www.arduino.cc/en/guide/introduction

Specifications:

 Microcontroller ATmega328
Operating Voltage 5V
Input Voltage (recommended) 7-12V
Input Voltage (limits) 6-20V
Digital I/O Pins 14 (of which 6 provide PWM output)
Analog Input Pins 6
DC Current per I/O Pin 40 mA
DC Current for 3.3V Pin 50 mA
Flash Memory 32 KB (ATmega328) of which 0.5 KB used by bootloader
SRAM 2 KB (ATmega328)
EEPROM 1 KB (ATmega328)
Clock Speed 16 MHz
Length 68.6 mm
Width 53.4 mm

Package includes:

1 x UNO R3
1 x USB cable

•     ATmega328 running at 16MHz with external resonator (0.5% tolerance)   
•     0.8mm Thin PCB   
•     USB connection off board   
•     Supports auto-reset   
•     5V regulator   
•     Max 150mA output   
•     Over current protected   
•     Weighs less than 2 grams!   
•     DC input 5V up to 12V   
•     On board Power and Status LEDs   
•     Analog Pins: 8   
•     Digital I/Os: 14   

• 40 Pins Male Standard 0.1" 2.54mm Row spacing
• Low Profile with mounting ears
• 0.1" Pin spacing 0.1" Row spacing, Mates with IDC & PCB male Receptacles
• Insulation Displacement Connector terminates to 0.050" (1.27mm) flat ribbon cable

Tactile Switches or tact switches are an on/off electronic switch that is only on when there is some pressure put on it or when the button is pressed. As soon as the tactile switch button is released and the pressure has been took off, the circuit is then broken.

• Size: (Approx.)12x12x7.3mm
• Life: 100000 times
• Quantity: 10pcs
• Current: 50mA
• Voltage: 12V

• 10 x Push Button Switch

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

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.

• 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

• 1x Infrared Receiver

• Using an IR remote with a Raspberry Pi

This is an eight channel 5V DC relay module with active low. It can be controlled by variety of microcontrollers such as Arduino, Raspberry Pi, PIC, DSP, AVR or ARM etc.

• Has the ability to control eight separate appliances or pieces of equipment
• Eight on-board optoisolators enable direct interfacing to microcontrollers
• Eight red LED status lights on-board show relay activity
• Widely used in PLC control or smart home control
• 4 x M3 mounting holes for easy fixing via standoffs

• 15-20mA drive current needed per channel
• Relay coil maximum operating voltage: 5V
• Relay coil maximum current: 89.3mA
• Relay contact maximum: AC250V at 10A or DC30V at 10A
• No. of relays/channels: 8
• Item size: 134 x 55 x 20mm
• Item weight: 116g

• 1 x 8 Channel Relay Module

• Interfacing with a relay

Warning
Exercise proper caution when connecting mains driven equipment or appliances to relay module as lethal current will be present.

This flexible 4x4 matrix keypad is connected to an 8 pin DuPont Female connector. It can be attached to a surface via the adhesive back by removing the white protective paper backing.

• Contact Resistance: 10Ω-500Ω
• Insulation Resistance: 100MΩ 100V
• Key Operating Force: 150-200N
• Circuit Rating: 35V DC, 100mA, 1W
• Dielectric Strength: 250V RMS (50-60HZ/Min)
• Electric Shock Jitter: ï¼ÂÂœ5ms
• Operating Temperature: -40 deg. C ~ 80 deg. C
• Storage Temperature: -40 deg. C ~ 80 deg. C
• Vibration: 20G, max
• Size: 68mm x 76mm

• 1 x 4x 4 Matrix Array Membrane Keypad

• Matrix Keypad

Use this relay board with your Arduino, Raspberry Pi or your custom micro-controller projects!

• Each Relay has LED indication when ON
• SPDT Relays with terminal block outputs.
• Relay Coil voltage: 5 VDC
• Power Requirement: 5 VDC
• 10A 250V AC / 10A 30V DC

• 1 x Four channel 5V DC Relay Module

• Interfacing with a relay : https://tutorials-raspberrypi.com/raspberry-pi-control-relay-switch-via-gpio/

If you want to add beeps, tones or alerts to your Raspberry Pi project, you require a Piezo Buzzer! This mini transducer is small but loud, and can be driven with a 1-6V peak-to-peak square wave. To use, connect one pin to ground (either one) and the other pin to a square wave out from a timer or microcontroller. For the loudest tones, stay around 4 KHz. For extra loudness, you can connect both pins to a microcontroller and swap which pin is high or low ('differential drive') for double the volume.

This one plops perfectly into a breadboard and has short legs, so can also easily be mounted on a PCB!

Please Note. This item is externally driven, e.g. requires a microcontroller to produce a tone.

This Mini Piezo Transducer Features:

•     Mini 5V Piezo Transducer
•     PCB & Breadboard Mountable
•     Low Power Consumption
•     Sealed Base
•     Wave Solderable and Washable

 Technical Specification:

•     Rated Voltage (Vp-p Square Wave) 5Vp-p
•     Operating Voltage 1 to 20Vp-p
•     Rated Current at Rated Voltage 1mA
•     Sound Output at 4000Hz at 10cm, at Rated Voltage ≥80dB
•     Resonant Frequency 4000 ±500Hz
•     Operating Temperature -20 to 70°C
•     Storage Temperature -30 to 80°C
•     External Diameter: 13.8mm
•     External Height: 6.8mm
•     Capacitance: 0.013µF
•     Capacitance Max: 16.9nF
•     Weight: 1g
•     Model No.: ABT-402-RC

• 1 x Mini 5V Buzzer

• Using a Buzzer with a Raspberry Pi

Need a high quality SD & Micro SD card reader/writer that can handle SD card sizes up to 512GB? We've found one! The Kawau C296 2 in 1 USB card reader features two slots, one for a standard size SD card, and one for Micro SD cards. It uses USB 2.0, with transfer speeds up to 480Mbps, and it's plug and play! A lot of cheaper SD card readers will not read cards above 32GB (or even 16GB on some of the really cheap ones), but never fear! You can now future proof your SD card library, safe in the knowledge that your Kawau SD card reader can take cards up to 512GB's!

Supports SD, SDHC, SDXC, MMC, Exteme SD, Mini SD, Micro SD, Micro SDXC, Micro SDHC Memory Cards, in addition to the latest format UHS cards.

Technical Details

• Brand: Kawau
• Model: C296
• Compatible Cards:
  • SD
  • SDHC
  • SDXC
  • MMC
  • Extreme SD
  • Mini SD
  • Micro SD
  • Micro SDXC
  • Micro SDHC
  • UHS
• Supports Card Sizes:
  • 4GB
  • 8GB
  • 16GB
  • 32GB
  • 64GB
  • 128GB
  • 256GB
  • 512GB
• Colour: Black
• Blue Transfer Light
• Supports up to 512GB
• Size: 60 x 17 x 8.5 mm
• Weight: 16.05 g