Asked by: Paul
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Kitronik 5V LED Desk Lamp Kit plus batteries
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Description
This 5V LED lamp module offers a really bright light, which is compact and easy to mount. The unit is supplied with 9 white super flux LEDs, which collectively output around 16,000 mCd.
The unit incorporates current limit resistors, allowing it to be run from a 5V supply or 3 x AA batteries can be used (3 new batteries will last for around 5 hours).
The module makes a nice desk lamp when powered from our micro USB power supply (used to charge many phones, tablets and e-readers) which can be done by using our micro USB break out board.
Video:
Here is a video we have put together demonstrating the kit:
Features:
- Easy to build lamp kit.
- Battery or mains power.
Contents:
- 9 x White Super Flux 5mm Water Clear LED - 80deg - 1800mCd.
- 3 x 33R Resistor.
- 1 x 5V LED Desk Lamp Kit PCB.
Dimensions:
- PCB Length: 45mm.
- PCB Width: 45mm.
Requires:
- Soldering Iron.
- Solder.
- Either: 5V Wall Power Unit (some modification is required - see our tutorial for the mono amplifier kit here).
- Or: 3 x AA Batteries.
- And: 1 x 3 x AA Battery Cage with Leads and Switch.
- Or: 1 x Kitronik Micro USB Breakout Board, with Power Switch.
- And: 1 x Mobile Phone Charger & Wire.
Free samples:
Teachers can order a sample of this kit (one per school) request a sample kit.
You will need to select the kit from a list of all the sample kits; the stock code for this kit is 2155.
Note: this service is only offered to schools for evaluation purposes only.
Buy British:
This product is designed and manufactured in the UK by Kitronik.
Same Day Dispatch
- Orders placed online before 3:00pm Monday - Friday (excluding public holidays and our Christmas shutdown period) are always dispatched the same day provided the goods are in stock. If the goods are not in stock we will endeavour to contact you as soon as possible to discuss a dispatch date.
UK Deliveries
- If you live on the UK mainland and don't have any large materials or lithium batteries in your order it will cost £3.95 (£4.74 including VAT) if you spend less than £40 (£48 including VAT).
- If you spend between £40 and £200 (£48 - £240.00 including VAT, excluding large materials or lithium batteries) delivery is free to most locations, £12 (£14.40 including VAT, excluding large materials or lithium batteries) to Northern Ireland and £15 (£18.00 including VAT, excluding large materials or lithium batteries) to UK remote locations. For a list of postcodes that will be charged the remote location rate: remote area list.
- If you spend over £200 (£240.00 including VAT, excluding large materials or lithium batteries) delivery is free within the UK.
Rest of the world
- These orders are sent via UPS, and the cost is dependant on the service you choose at checkout. Alternatively you can choose the free collection option and have your own courier collect it from us. International orders can only be shipped to the registered card address. Please note: International orders may be charged import duty dependant on local import laws and duty rates. These charges are usually billed to you directly from UPS.
- Delivery times vary for international orders depending on the service selected and the destination. You can see the delivery time and cost at the shipping stage, or by using the shipping estimator from within the shipping basket.
Collection
- If you would like to collect your order, or use your own courier then there is an option you can select during checkout. We do not charge a packaging or handling fee for this service, and you will receive an email when your order has been processed, you can collect half an hour after receipt of this email.
Further Information
- For information about all of the delivery options we offer see full delivery details.
Phil Maxwell of Fleming Fulton School in Belfast sent in these great photographs built around our 5V LED Desk Lamp Kits. The excellent lamps were designed and made by Year 9...
Phil Maxwell of Fleming Fulton School in Belfast sent in these great photographs built around our 5V LED Desk Lamp Kits. The excellent lamps were designed...
Amy North of Grace Academy Darlaston sent us these great completed projects from her year 9 pupils. They used our really bright 5V LED Desk Lamp Kit. It's good to...
Amy North of Grace Academy Darlaston sent us these great completed projects from her year 9 pupils. They used our really bright 5V LED Desk...
These highly innovative desk lamp designs using our 5V LED Lamp kits were sent in by Haukur Þórðarson of GSNB Lýsuhólsskóli In Iceland. The lamps were created last year by students whose ages range from...
These highly innovative desk lamp designs using our 5V LED Lamp kits were sent in by Haukur Þórðarson of GSNB Lýsuhólsskóli In Iceland. The lamps were created last year by...
Damian Smeaton, a Product Design Lecturer from Richmond Upon Thames College has sent us some lovely photos of his AS-Level class projects using our 5V LED Desk Lamp Kit. ...
Damian Smeaton, a Product Design Lecturer from Richmond Upon Thames College has sent us some lovely photos of his AS-Level class projects using our 5V...
Kathleen Dodd from The Radcliffe School sent us some excellent and ingenious photos of her Year 9 student projects using our 5V LED Desk Lamp and USB Colour Changing USB...
Kathleen Dodd from The Radcliffe School sent us some excellent and ingenious photos of her Year 9 student projects using our 5V LED Desk Lamp...
How to solder - an introductory guide: If you're new to soldering our Soldering School will have you up and running in no time. What is soldering? Soldering is a...
How to solder - an introductory guide: If you're new to soldering our Soldering School will have you up and running in no time. What...
My name is Sean Drummond, I’ve just completed my second year product design BSc at Nottingham Trent University and I am currently doing a 12-month placement with Kitronik before going...
My name is Sean Drummond, I’ve just completed my second year product design BSc at Nottingham Trent University and I am currently doing a 12-month...
Q:
Could the power supply to this LED array by controlled with PWM (@5V) in order to dim the brightness?
A:
HI Paul,
You could control this with PWM provided you had a suitable power supply.
Best Regards
Cullen Lewis
Answered by: Cullen Lewis
03-Mar-20
Q:
Can I run this off a 9v battery by replacing the resistors with 100 ohm?
Asked by: phil
A:
Hi Phil,
Thank you for your email, you could do that but it would not last very long I am afraid as most 9V batteries do not hold a lot of charge and I suspect you would run most of them down in 1-2 hours.
Best Regards
Cullen
Answered by: Cullen Lewis
27-Jan-20
Q:
can you use the lights in a strip instead of putting them on the grid
Asked by: log
A:
Hi there,
These style LEDs could be soldered in a strip with connecting wires but while soldered into this kit they would operate as per the grid.
Best Regards
Cullen
Answered by: Cullen Lewis
07-Dec-18
Q:
Hi, what is the average life rating of these LED's, in terms of hours?
Asked by: Daniel Watson
A:
Hi Daniel, We don't have the exact life span of the LEDs used in this kit from our supplier, however typically LEDs have a very large life span. Some LEDs even have life spans of up to 50,000 hours. As such you should likely get quite a large amount of life out of the LEDs.
Answered by: Michael Lockhart
23-Apr-18
Q:
Are the resistors correct in the picture? The resistors in the picture appear to be brown, black, black, gold which would be 10 Ohms. If they are 33 Ohms, they should be orange, orange, black, gold.
Asked by: Jim Cloughley
A:
Hi Jim, After double checking this I can confirm that the image appears to be incorrect. They should be 33 Ohm so I will let our web team know so we can get the photo updated. Thank you for letting me know.
Answered by: Michael Lockhart
19-Feb-18
Q:
Is it possible to solder this unit directly to a 5V USB cable (product code 4101)?
Also, can this unit be purchased pre assembled?
Asked by: M Smith
A:
Hi, yes it is fine to be used with the USB cable (code 4101), you would solder the black and red cable directly to the negative and positive connection on the board. Unfortunately it isn't possible to purchase this item pre-built, however as you are from a school we may be able to arrange this if the quantity is large enough. If you email our sales team we will be able to look into this for you.
Answered by: Michael Lockhart
10-Jul-17
Q:
Are the '5V LED Desk Lamp Kits' energy saving LEDs?
Asked by: Haytham Hamodi
A:
Hi Haytham, The LEDS that are used in this kit are these 3597-white-super-flux-5mm-water-clear-led-80deg-1800mcd they are not classed as energy saving but the maximum current that they draw is 20mA each, so the whole circuit only draws 180mA’s, this only works out to be 0.9Watts of power.
Answered by: Michael Lockhart
03-Mar-17
Q:
Can I run two (or more) of these kits in series of a 5A wall power supply? And would I need any other resistors than the ones in the kits?
Asked by: Tas Willis
A:
Hi Tas, You could run multiple circuits off one 5V power supply. However you would need to connect these in parallel so that each circuit got a supply of 5V’s, and a split of the available current. You would also need to make sure the power supply is rated to a high enough current draw for the amount of circuits you are connecting. Each circuit draws 175mA maximum at 5V’s, so 2 circuit could run off a 5V 500mA supply, 3-5 could run off a 5V 1A supply and so on.
Answered by: Michael Lockhart
02-Feb-17
Q:
Is it possible to power the desk lamp kit using solar power i.e. through a charged super capacitor?
Asked by: Martin Cassidy
A:
Hi Martin, The desk lamp kit take a power source ranging from 2.5V - 5.5V and at 5V’s it will draw 175mA. It would be difficult to use a super capacitor kit which has been charged by a solar cell. The kit draws a fairly high current, and a super capacitor won’t provide a steady voltage. It is difficult to provide an estimation of how well this would work as I don’t know what capacitor or solar cell you are using. You would likely be better with solar cells and rechargeable batteries.
Answered by: Michael Lockhart
21-Nov-16
Q:
On your home page at the moment, "3D Printed Desktop 5V LED Lamp Resource", is the lamp enclosure shown available for sale please?
Asked by: Anthony Pierce
A:
Hi Anthony, Unfortunately this isn’t a product to purchase, however it is a free resource on how to produce an enclosure for the 5V desk lamp kit. 2155-5v-led-desk-lamp-kit The design files are located to download at the bottom of the article.
Answered by: Michael Lockhart
27-Sep-16
Q:
Hi, do the LEDs produce much heat? I plan on using them within an enclosed PVC case.
Asked by: Jamie
A:
The LED’s used on these kits don’t generate any more heat than a standard Led, as such they would be fine in a PVC case.
Answered by: Michael Lockhart
20-May-16
Q:
Hi,
Is it possible to include an LDR in this circuit so that the light comes on as it gets dark?
Asked by: Andrew
A:
Yes it you would be able to use an LDR to trigger the circuit, the easiest way to do this would be to use the light activation circuit and connect the 5V desk lamp kit to the output on the board 2112-light-activated-switch
Answered by: Michael Lockhart
17-May-16
Q:
Can this be soldered directly to the USB power lead (product code 4101) to make a USB desk lamp?
Asked by: Minnie Young
A:
A USB port outputs 5V’s, so yes you could connect the USB lead to this desk lamp kit.
Answered by: Michael Lockhart
07-Sep-15
Q:
Is this 5V LED lamp module available with LEDs that provide a warmer light than that supplied by the White Super Flux LEDs? If this was not possible, is it possible to purchase warmer, separate LEDs that can fit into this device?
Asked by: Hattie Lingard
A:
We sell yellow Super Flux LEDs, which may be better for you. Alternatively any LED that will run at 3.2V will work though they won't fit as nicely as this board was designed for the four legged footprint of the Super Flux LEDs.
Answered by: Aaron Sturman
17-Oct-14
Q:
is it possible to build a simple dimmer circuit for the 5V LED desk lamp kit?
Asked by: Harry Miers
A:
Yes you could use the point on a transistor where it is between fully on and fully off to limit the amount of current going into the LED light. By altering the current flow the brightness of the LEDs would be adjusted. You might need to change the resistor values in our dimmer light application note but the concept will be the same
Answered by: Geoff Hampson
06-Oct-14
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