Go Down

Topic: Help me chose the right LED? 4 x 4 square grid with acrylic top (Read 692 times) previous topic - next topic

WilliamK Govinda

Guys, please, I'm building a 4 x 4 LED square grid. So, I will build a 25 cm x 25 cm box with 3 separations horz. e 3 vertically. So, in total, we will have a 4 x 4 square grid. (16 squares)

Each square will have a red led. On top, a white-frost acrylic, so now I need to figure out which led will be best. So I get good illumination and also a good view angle, so it just don't show a red dot, but an uniform red square.

Here are some leds from eBay, if you find better ones (only eBay) please let me know, ok?

http://www.ebay.com/itm/100-pcs-5mm-straw-hat-Red-LED-Wide-Angle-20000MCD-/120496125516?pt=LH_DefaultDomain_0&hash=item1c0e20f64c

http://www.ebay.com/itm/100-pcs-Red-5mm-straw-hat-LED-Wide-Angle-Light-Lamp-Free-Shipping-/170842661548?pt=LH_DefaultDomain_0&hash=item27c70422ac

http://www.ebay.com/itm/100Pcs-5mm-Flat-Top-RED-LED-Wide-Angle-Light-LED-/260520802647?pt=LH_DefaultDomain_0&hash=item3ca83ff957

This leds I already have here, but the V.angle are terrible.
http://www.ebay.com/itm/100-pcs-5mm-Red-LED-Lamp-Ultra-Bright-Free-Resistor-EMS-/160557816658?pt=LH_DefaultDomain_0&hash=item2561fddb52

Thank you for any advice.

Best Regards, WilliamK

WilliamK Govinda

Here's a 8000mcd one (100lm) which is nice, BUT, its too pricy, and I don't get how I can solder it, will I require some special PCB? Why so much current compared to the other ones?

http://www.ebay.com/itm/50pcs-1W-Red-LED-Without-board-Star-HIGH-POWER-100LM-140-light-DIY-S-/390408239164?pt=LH_DefaultDomain_0&hash=item5ae624f83c

WilliamK Govinda

Hummm, I'm also wondering on using white-leds, as they have better mcd, and just check if the acrylic supplier have other frosted colors. ;-)

WilliamK Govinda

Here's some white leds, they are 20kmcd (20000mcd) which is much nicer. I could just use the frosted-white acrylic or maybe try some blue, red, green, yellow, and see what looks nicer. ;-)

http://www.ebay.com/itm/200-pcs-5mm-Straw-hat-white-LED-Wide-Angle-Light-lamp-/120757955281?pt=LH_DefaultDomain_0&hash=item1c1dbc2ad1

Go Up
 


Please enter a valid email to subscribe

Confirm your email address

We need to confirm your email address.
To complete the subscription, please click the link in the email we just sent you.

Thank you for subscribing!

Arduino
via Egeo 16
Torino, 10131
Italy