Tag: Led
Advanced RGB Lighting Controller Unit from Bridgetek Proves Quick & Easy to Deploy
Bridgetek continues to build up the portfolio of hardware available to support its pioneering PanL home/building automation platform. Designed to be straightforward for installation engineers to implement and subsequently upgrade, the company’s new PanL Mood Lighting (ML) units...
Continue ReadingWürth 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...
Continue Reading12W 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...
Continue ReadingSuper 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...
Continue ReadingAudio 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...
Continue ReadingFlash 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...
Continue ReadingBlue-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...
Continue ReadingAutoSteri: Small and Compact Automatic UV Sterilization System from David Bershadsky
The probability of having microorganisms survive on a surface or item subjected to treatment is very low; decontaminating an object or material makes it safe to handle. While there are many techniques capable of effectively disinfecting surfaces, not many can be used independently...
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