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Track lighting is usually combined with directional lamps with reflectors, such as spotlights. [1] These lamps can run under either mains voltage or a lower (often 12 V) voltage. It is common to see line-voltage tracks with low-voltage fixtures. For these, each fixture requires a small built-in transformer to operate it.
Digital Addressable Lighting Interface (DALI) is a trademark for network-based products that control lighting.The underlying technology was established by a consortium of lighting equipment manufacturers as a successor for 1-10 V/ 0–10 V lighting control systems, and as an open standard alternative to several proprietary protocols.
A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room. In contrast to a simple light switch, which is a single pole, single throw (SPST) switch, multiway switching uses switches with one or more additional contacts and two or more wires are run ...
No fewer than 11 ports adorn this USB-C hub’s chassis, including DisplayPort, 100-watt pass-through USB-C, 4K HDMI with 60-Hertz support, USB-A, and USB-C. The latest version offers up to 10Gbps ...
Micro-B USB jack for power and/or USB uploading. 5 GPIO - 2 shared with the USB interface. The 3 independent I/O pins have 1 analog input (ADC) and 2 PWM output as well. Hardware I²C / SPI capability for breakout & sensor interfacing. Works with many basic Arduino libraries including RainbowBit library. Digispark [170] ATtiny85 Digistump [171]
Between the cramped living quarters and the surprisingly expensive cost, some college students might look off campus for places to live. The average dorm costs...