I want to make a project using leds...except I cant figure out what to buy. Can someone help? Like the voltage and the type of led.
Posted by Batryn 10 years ago | last reply 10 years ago
If the LEDs are the same voltage, can i just cut the wires on the LED fan, and just simply re-solder the new LEDs onto the wires? I have been looking at several Instructables about replacing the LEDs on a fan, and they all have complicated re-wiring ideas..Can't you just simply replace the LEDs with the news ones?
Asked by ramroids55 9 years ago | last reply 9 years ago
I success to make a led stroboscope with an arduino uno and a 50watt high power led. but the problem was with the lumen of the led. the on time duration of the led is 500 microsecond and the led intensity is poor. i don't know how to make it and maintain the intensity of the led. note that i used a driver for the led "32vdc" and the led is 32vdc .
Asked by hamada_bio 1 year ago | last reply 1 year ago
Asked by dsmith153 4 years ago | last reply 4 years ago
LED is more and more popular worldwide. I think it should be the trend of the future in the lighting industry
Posted by ledssonledlight 7 years ago | last reply 7 years ago
I put some LED's in car, connected them to door sensors, but ~2V still flowing trough when door is closed (I think because sensors are grounded to frame) and LED's stay barely lit. So I need something to stop current. What would be my best option?
Asked by KozisKey 7 years ago | last reply 7 years ago
Asked by dsmith153 4 years ago | last reply 4 years ago
i have looked at the instructions and it does give a rough indication of the type of LEDs that are needed but i am still confused. this is the link that i am using to build the LED cube 8X8X8 https://www.instructables.com/id/Led-Cube-8x8x8/ Thanks for the help in advance
Asked by nimit1994 7 years ago | last reply 7 years ago
So I have four 10 W LED's and I want to run them all together off of a led driver but I'm not sure what type of driver I need to get. My led's specs are. Color: cool white Luminous flux: 750LM Forward voltage: 9-12V DC Color temperature: 6000K-7000K Forward current: 1000mA Power: 10W Lighting angle: 160° So if someone could help me with wiring it would be greatly appreciated. I've worked with little throw away led's and risistors but I wanted to use some sort of led driver, or constant current device on what I'm doing, but I don't know how they work. I'm just trying to get something that will run all the led's and be cheap
Asked by tylerrick14 7 years ago | last reply 6 years ago
Asked by dickebk 9 years ago | last reply 9 years ago
I'm going to attemp to build one, and I can't find the answer anywhere.
Asked by stoney123 9 years ago | last reply 8 years ago
Help me in led different modes (led Flicker , led flow with timer set,etc.) control using mit app inventor and bluetooth.
Asked by rutukesh 2 months ago
Hey everyone, where can i get some LEDs in the USA from a manufacturer? max price per led is 11 cent! please help. kingbright is a little o the higher side. :(
Posted by led235 9 years ago | last reply 9 years ago
I am wiring some LEDs in series-parallel using a 9v battery. The schematic I've been looking at online as a reference shows resistors being used but doesn't say what size. Here is the layout: |-- LED -- LED -- LED -- resistor?--| |-- LED -- LED -- LED -- resistor?--| |-- LED -- LED -- LED -- resistor?--| |--9v-----------------------------------------| I assume it's a simple calculation but I haven't worked with this stuff in a few years. Thanks in advance.
Posted by L3fty 6 years ago | last reply 6 years ago
So I noticed there are a lot of LED 'ibles so I am creating a trying to keep the best in this forum.LED HK on Ebay has many lots of 100 of a variety of colors of LED's for only $8.Link: http://myworld.ebay.com/led-hk/The Electronic Goldmine has specific LED's and miscellaneous assortments of LED's.Link: http://www.goldmine-elec-products.com/departments.asp?dept=1088Help this forum grow by commenting with your favorite online LED retailer(s).
Posted by bomberman3 10 years ago | last reply 7 years ago
I am building a led array light bulb. 3v leds x 20, leds parallel, 3v in, led calc says use 1 ohm each resistor, can I skip that since 3v led and 3v input v? Led calc also says 0 ohm / use the next standard resistor 1ohm.. does 1 ohm x 20 really needed for a 3.0- 3.2v white led with a 3v 2000ma source> thanks in advance..
Asked by celalboz 8 years ago | last reply 7 years ago
I Need help to build a led light sheet with 100 3mm LEDs they are 3.5v LEDs I have never worked with LEDs before or resistors so please keep it in simple terms. the idea is to use a 12v battery and reduce it to 3.5v supply any ideas comments are appreciated
Posted by YARTZ 10 years ago | last reply 10 years ago
I've seen LED throwies, LED floaties but not LED flyies. Since I don't yet have my camera and I don't have an interest in throwies but I know a lot of people do... Anyone fancy making an LED flyies instructable? LEDs and button batteries, taped together and taped to the bottom of helium filled balloons. The balloons then tied together with cotton thread to make a mat of flying LEDs! Any takers?
Posted by Jayefuu 9 years ago | last reply 9 years ago
I was thinking of using some 2w leds which i already have for home emergency lighting setup. I was thinking of using http://www.ebay.com/itm/10-PCS-Led-Driver-For-1w-watt-led-MR16-1X1W-3X1W-led-light-bulb-DC-12V-/191066699095?pt=LH_DefaultDomain_0&hash;=item2c7c767557 as the driver of the leds. And i was wondering if i could run 2 of the leds in parallel from that driver. i will be using a leatsink for each of the leds. So... the main question is how much current would each of the leds be reciving from one driver. will it be 350ma to each of the led or 350ma total to both the leds... ie 175ma to each led. Thank you
Asked by bipl12 4 years ago | last reply 4 years ago
Hi guys, im doing ahistory project and im trying to make it so that i can have a line of LED's that will make LED 1 turn on, and as LED 2 turns on LED 1 turns off, LED 3 turns on LED 2 turns off, and so on and so forth, and activated by a switch? Can someone Help me?
Posted by Demont 8 years ago | last reply 8 years ago