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- Manufacturer: Adafruit
- Order number: EXP-R15-227
- Manufacturer part number: 1461
- Availability: 2
- country of origin: US
- HS code: 85414090
- Weight (kg): 0.2
This is the strip with black flex PCB, it's identical to the white 60 LED/meter except it has a... more
This is the strip with black flex PCB, it's identical to the white 60 LED/meter except it has a different color mask on the flex strip.
There are a few things to watch for:
- First up, the higher density means much higher power usage over a certain distance - 18 Watts max (~3.5 Amps @ 5V) per meter instead of 9.6 Watts max (~2 Amps @ 5V). The max rating is assuming all the LEDs are on full white, usually the actual current for colorful design is about 1/3 to 1/2 the max current. A good power supply such as our 5V 10A supply is key!
- Second, to get high density, the controller chip is inside the LED, which is kind of cool, but also means that the chip only uses a single pin for input and a single pin for output. The protocol used is very very timing-specific and can only be controlled by microcontrollers with highly repeatable 100nS timing precision. We have example code for using with the Arduino Uno/Mega microcontroller at 8MHz and 16MHz, but it will not work with the Raspberry Pi, Basic Stamp, NETduino, any other interpreted/virtual machine microprocessor or any processor slower than 8 MHz. For those processors, check our 32 LED/meter digital LED strip which has SPI-like input/output and works well with Pi, NETduino, and other processors.
- Third, just because you have all those pixels doesn't mean you have the RAM for it - the entire strip must be buffered in memory, and we've found many Arduino UNO projects only have about 400bytes of RAM available after all the extras are included - enough for about 135 LED pixels. If you want to drive the entire strip and have some other libraries included, use a Mega.
These LED strips are even more fun and glowy. There are 60 RGB LEDs per meter, and you can control each LED individually! Yes, that's right, this is the digitally-addressable type of LED strip. You can set the color of each LED's red, green and blue component with 8-bit PWM precision (so 24-bit color per pixel). The LEDs are controlled by shift-registers that are chained up down the strip so you can shorten or lengthen the strip. Only 1 digital output pin are required to send data down. The PWM is built into each LED-chip so once you set the color you can stop talking to the strip and it will continue to PWM all the LEDs for you.
The strip is made of flexible PCB material, and comes with a weatherproof sheathing. You can cut this stuff pretty easily with wire cutters, there are cut-lines every 0.65"/1.7cm (1 LED each). Solder to the 0.1" copper pads and you're good to go. Of course, you can also connect strips together to make them longer, just watch how much current you need! A 5V/2A supply should be able to drive 1 meter (depending on use) and a 5V/10A supply that can drive up to 5 meters (depending on use)
You must use a 5V DC power supply to power these strips, do not use higher than 6V or you can destroy the entire strip.
They come in 5 meter reels with a 2-pin JST SM connector on each end and separated power/ground wires.
To wire up these strips we suggest picking up some JST SM plug and receptacle cables. If you want to connect to the input of a 4 meter cable (to wire it to power and a microcontroller) please get a receptacle connector. If you want to connect to the output, get a plug cable. If you are getting a less-than-5 meter strip, you'll probably want one of each to make it easy to connect and disconnect. You will also probably want a2.1mm DC jack to wire in so you can connect one of our wall adapters to power it.
- 12.5mm (0.65") wide, 4mm (0.16") thick with casing on, 16.7mm (0.65") long per segment
- 60 LEDs per meter
- Removable IP65 weatherproof casing
- Maximum 5V @ 60mA draw per 0.65" strip segment (all LEDs on full brightness)
- 5VDC power requirement (do not exceed 6VDC) - no polarity protection
- 1 integrated RGB LEDs per segment, individually controllable
- LED wavelengths: 630nm/530nm/475nm
- Connector: 2-pin JST SM