Smart LED Dimmer Controlled via Bluetooth


https://www.electronics-lab.com/smart-led-dimmer-controlled-via-bluetooth/

Author: Anas Ajaj for Dialog Semiconductor Introduction This article describes how to build a smart digital dimmer. A dimmer is a common light switch that is used in houses, hotels and many other buildings. Older versions of dimmer switches were manual, and would typically incorporate a rotary switch (potentiometer) or buttons to control the light […]

More than lighting: Rutronik shows innovative approaches with UV LEDs


https://www.electronics-lab.com/more-than-lighting-rutronik-shows-innovative-approaches-with-uv-leds/

For industry, medicine and public infrastructure: The use of UV LEDs offers new approaches in the fields of sterilization, deep cleaning of air and water, agriculture and industrial manufacturing. The ultraviolet A-rays are suitable for use in vertical farming, for example, while the extremely high-energy UVC rays are successfully used against harmful micro-bacteria and viruses. […]

XLamp® XM-L3 LEDs


https://www.electronics-lab.com/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 LED shares the same mechanical and optical footprint as the original […]

Smart Lighting Module from Silvertel combines PoE with LED Driver


https://www.electronics-lab.com/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 string voltages up to 40V, together with an auxiliary 12W output which can be configured to […]

Advanced RGB Lighting Controller Unit from Bridgetek Proves Quick & Easy to Deploy


https://www.electronics-lab.com/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 present a convenient and cost-effective RGB-enabled lighting control solution. Compliant with both DALI and DMX digital interface […]

Würth Elektronik WL-SUMW High Power Ultraviolet LEDs


https://www.electronics-lab.com/wurth-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 can also be used for high current applications such as special lighting, […]

12W Dimmer with Soft Start for 12V LEDs


https://www.electronics-lab.com/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 drives the […]

Super Bright Nixie-Like Linear Dot Display


https://www.electronics-lab.com/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 graphs has not really […]

Audio VU/Sound Level Meter with LM339


https://www.electronics-lab.com/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 is very fast […]

Flash an LED from AC-mains power


https://www.electronics-lab.com/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 simplifies the total design. You can […]