4 way 5V relay module for Arduino

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Details

Item Number

RM4

Item Condition

New

Price

£5.50 (inc VAT £6.60)

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Quantity

14 Pin Standard IC Socket

IC Socket Standard 14 pin

SDL14

£0.10

16 Pin Standard IC Socket

IC Socket Stamped Pin Standard 16 pin

SDL16

£0.14

20 Pin Standard IC Socket

IC Socket Standard 20 pin

SDL20

£0.17

470uF 25V Radial 105 deg Capacitor

470uF 25V Radial Electrolytic 105C High Temperature, Low Leakage, Tol ±20%

470H25

£0.40

12mm Tactile Switch with 4mm Button

Miniature 12 X 12mm tactile switch. 4mm Profile Button

T12R4

£0.50

Miniature Relay DPDT 5VDC 2Amps

Relay Double Pole Changeover 5V 2A @ 28VDC, 500mA @ 125VAC. 36 ohms. Operating Range 3.5V to 6.5V

RUT05

£2.25

Bright Clear Red 5mm LED 2400mcd

Bright Red 5mm LED Water Clear. 2400mcd, 1.8-2.0V 20mA

R5K

£0.20

PIR Sensor Module for Arduino

PIR sensor module for Arduino and other microcontroller projects

The HCSR501 is a PIR (Passive Infra-Red) sensor that can detect the presence of people by measuring the infrared radiation radiated by the body. It can be used in a vast and diverse number of projects, including but not limited to: automated lighting systems, burglar alarms, automated door systems, etc.

Principle of operation
All objects with a temperature above absolute zero (0 kelvin) emit electromagnetic radiation. The higher the temperature of the object, the smaller the wavelength of the radiation emitted. The normal human body temperature is 37°C (310.2 kelvin) and it therefore emitts infrared radiation (mostly at a wavelength of 12µm). The PIR sensor can sense when a person has walked into its field of view by measuring the difference in the infrared radiation received from the ambient environment and the human body.

Voltage : 5-20VDC

Power Consumption: 64mA
Logic output: 3.3V
Range: 7 metres, (<120°)
Lock Time: 200 miliseconds
Operating temperature range: between -15°C and 70°C

HCSR501

£2.50

2 Way 2.54mm (0.1") Pitch Header Socket

2 Way Header Socket, 2.54mm Pitch

1 row of 2 pins 2.54mm (0.1") Pitch

HSW2

£0.25

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5V relay module for Arduino and other microcontroller projects

This module has 4 x 5V changover relays with the option of using them through optocouplers. There is an LED for each relay to indicate when it has been activated.

The relay allows the low current microprocessor outputs to switch higher currents and voltages. With the optocouplers it fully isolates the live side of the relays from your microprocessor, this will require a seperate 5V supply to power the relays.

Trigger voltage : 5VDC

Supply Voltage : 5VDC (only needed if using optoisolators)

AC Switch ratings : 250V 10A

DC Switch ratings : 30V 10A

Size 73x52mm

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