Sensor Wireless Led
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What makes an LED stronger?
I am making a wireless IR sensor bar. What is the most important factor in getting a strong LED for distance wise. More voltage to each LED or a larger diameter 5mm to 10mm etc... I understand to get more voltage i need a better LED that can take the voltage. Just need to know whats more important for a wireless remote to find these from a far distance.
Each LED has a specification on output strength. You can't exceed that without damage to the LED. So use each at it's specified voltage and current.
I looked up one at random, and it has specs:
Radiant Intensity (mw): 7.368
Peak Wavelength (nm): 940
Forward Voltage (V): 1.28
Half View Angle (Degrees): 6.36
High output infrared LED 5mm 1.2VDC 100mA 940nm
Pick one with a higher intensity. Unfortunately, many LEDs have poor or missing specs. find one hat does specify the intensity, current, voltage, and peak wavelength.
The second one I found was listed as "ultra bright" but had no specs at all. Stay away from that one.
Keep searching, tabulate the specs of those you find and compare them.
If you can operate the LED on a low duty cycle, you can get a lot more power for brief periods. Again, check the specs for this information.
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Mr. Beams Wireless Motion Sensor LED Lights
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Tags: design, diy, electronics, hardware, led, wireless led motion sensor light, wireless led motion sensor security spotlight