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Velleman LED Dual Superbright Red Flashing Solder Kit

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Quoting product code: N38AN

£3.49

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About this product

Overview

Product overview

• Create a powerful red LED flasher for warning signs, eye catching alerts and model applications
• Set the flashing pace with the potentiometers
• A great introduction to soldering with 26 parts
• Requires a 9V battery (not included, Order Code L46AL)

What can I make with this kit?
Make a warning sign with this flashing LED kit (manufacturer’s code MK148) or use the two super-bright red LEDs that flash together to add extra lights to your models. You can set the speed they flash at with the potentiometer on the board and just slide the switch to turn it on and off. You can use these warning lights to mark the way to an exit in an emergency and set it so it only lights up when it becomes dark.

What can I learn about with this kit?
Practise soldering and learn about electronics and circuits with this flashing LED solder kit which uses resistors, capacitors, transistors, LEDs, a LDR (light dependent resistor) and potentiometers (variable resistors). Learn how they are connected in a circuit and get practical experience soldering them. The circuit uses transistors to alternate between the LEDs and the potentiometer (or variable resistors) vary the time they are on for. The LDR changes resistance when it gets lighter or darker and the circuit can use this to automatically turn the flashing lights on on when the light is below a certain level. This kit requires a soldering iron and solder and may require wire cutters.

How easy is this kit to solder?
Easy to solder, this kit is ideal for beginners learning about electronics. Putting the kit together is only the start. You could also create an enclosure (not included) for the flasher to protect the electronics or build it into a model. Just take care not to cover the LEDs, switches and LDR or obstruct access to the potentiometer if you want to be able to vary the timing. This kit runs off a DC 9V power supply and comes with a holder for a 9V (PP3) battery (battery not included).

Please note, this kit contains a component which is not RoHS compliant

Rated 5 out of 5 by from A superb product. Simple to assemble. I have installed this device in my garden shed and switched it on to Auto Mode. When night time arrives the twin flashing LED's come on giving the impression there is a security device inside the shed which is activated.
Date published: 2012-11-01
Rated 2 out of 5 by from dual flashing LED kit effective when working ,but even with sensor set to dusk the battery life is very poor ,less than two weeks
Date published: 2013-12-09
Rated 1 out of 5 by from Utterly Useless for the purpose intended I purchased this product to replace a failed flashing LED used in an alarm function. Having tuned the sensitivity of the photocell to nil function during daylight hours the designated PP3 9volt battery (Duracell) from out of the packaging lasted 30 hours tops.
Date published: 2017-09-04
Rated 5 out of 5 by from Velleman MK148 Flashing LED kit Excellent product. Easy to build and recommended for beginners. The LED is extremely bright and can been seen in direct sunlight. There is also a LDR ,when its dark the led automatically starts to flash you can also adjust the sensitivity for the LDR
Date published: 2015-06-21
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Specification

Product Specifications

Soldering Required:

Yes

Dimensions & Weight

Width:

55mm

Depth:

32mm

Height:

40mm

Does the kit come with a full circuit schematic?

Asked by: b e c
Yes, I am pleased to advise the product will be suitable for your intended application.
Answered by: Dominic
Date published: 2015-12-08

hi . can this item be used on a remote control boat ?
Asked by: mick
Yes the product does support that.
Answered by: DH
Date published: 2015-07-17

Hi, Would this product be suitable for a dummy alarm box and what is the expected life of the -9v battery. Thanks, Paul
Asked by: Paul Bridgeman
Yes the product does support that, the battery should last around a month.
Answered by: DH
Date published: 2017-04-07

can I power it from a 12v car supply instead of 9v battery?
Asked by: Richard
No sorry this product does not support that.
Answered by: DH
Date published: 2015-07-17

I want to put this into a dummy bell box.Can this be powered by an ac adaptor
Asked by: mick
No sorry.
Answered by: JK
Date published: 2017-10-17

can i put a push switch on this and use the device as a visual door bell
Asked by: sam
No sorry this product does not support that.
Answered by: DH
Date published: 2015-07-17

in this kit does it tell you where to put the components?
Asked by: Andrew
yes - full assembly instructions are included.
Answered by: SG
Date published: 2015-07-17

Do the two LEDs alternate, or do they both flash at the same time?
Asked by: Tyler
They both flash at the same time.
Answered by: JK
Date published: 2015-07-17
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