XLamp® XM-L3 LEDs
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XLamp® XM-L3 LEDs

Cree’s single-die LED point source provides precise optical control in torch, outdoor, and vehicle lighting Cree's XLamp XM-L3 LED delivers a massive 55% upgrade in maximum light output over the XM-L2 LED, providing a single-die LED point source for precise optical control. The XM-L3...

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Smart Lighting Module from Silvertel combines PoE with LED Driver
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Smart Lighting Module from Silvertel combines PoE with LED Driver

Silvertel created a smart lighting module that is aimed at developers of LED Lighting equipment such as Luminaires, Lighting Fixtures, Architectural Lighting, Smart Office, Store Lighting, and Agricultural Lighting. The Ag210 provides a configurable constant current output for LED...

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Würth Elektronik WL-SUMW High Power Ultraviolet LEDs
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Würth Elektronik WL-SUMW High Power Ultraviolet LEDs

Würth Elektronik High Power Ultraviolet LEDs deliver high intensity UV output in a compact, industry-standard, 3535 ceramic package. Available with 385nm, 395nm, and 405nm peak outputs, these LEDs are an ideal choice for UV systems for curing, printing, and adhesive coating. These LEDs...

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12W Dimmer with Soft Start for 12V LEDs
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12W Dimmer with Soft Start for 12V LEDs

The circuit presented here is a LED dimmer with a soft-start function. The board can drive a LED up to 12W and the circuit can manage a load up to 1A continuous with 12Vsupply. The circuit is built using SG3525 PWM IC and the IRFR120 MOSFET, SG3525 generates the PWM, and IRFR120 MOSFET...

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Super Bright Nixie-Like Linear Dot Display
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Super Bright Nixie-Like Linear Dot Display

LED Bar graphs are one of the best ways to provide visual feedback to users in projects where using a screen might be an overkill. Especially in projects where you need to indicate level, intensity, and other values that are worth representing on a bar graph. The quality of LED bar...

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Audio VU/Sound Level Meter with LM339
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Audio VU/Sound Level Meter with LM339

This is an “Audio VU Meter” or “Sound Level Meter”, it is a general-purpose bar-graph Audio VU meter designed for fun projects. All you need is to hook up one wire to the output of the audio amplifier’s speaker pin along with GND and see the magic. The response of the circuit...

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Flash an LED from AC-mains power
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Flash an LED from AC-mains power

LED technology is opening the door to a variety of high-power-illumination applications. The circuit in Figure 1 can let you know when ac power is available. To drive a power LED from the ac line requires a converter or a similar arrangement. In this circuit, a passive dropper greatly...

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Blue-Green Chip LEDs – Ideal for Color Universal Design Applications
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Blue-Green Chip LEDs – Ideal for Color Universal Design Applications

ROHM recently announced the 1608-size high accuracy blue-green chip LEDs, SMLD12E2N1W and SMLD12E3N1W. These products support the adoption of Color Universal Design (CUD) in a variety of applications, such as fire alarm system indicator lights, industrial equipment warning lamps and...

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