Scientists have developed a way to compare the data given by PV manufacturers based on standard test conditions (STC) to the real conditions in the field. The proposed technique is based on the ...

By adding a 15 V Zener diode and a resistor across the MOSFET which dims the LEDs, a voltage of around 9 V can be put across the LEDs without lighting them up when the MOSFET PWM dimmer is in its ...

A Hollywood producer charged with first-degree murder was convicted Tuesday in the drug overdose deaths of a Los Angeles model and her friend. Video broadcast Tuesday Feb. 4, 2025 on the NBC4 News ...

The model parameters R i and C i are the thermal resistance and capacitance values used to create the thermal model for calculating the thermal impedance of a device. Manufacturers often provide ...

Equipping point motors can make a difference to a model railway by offering handsfree operation of turnout direction. But for solenoid point motors to operate effectively, a Capacitor Discharge Unit ...

Image Credit: Swansea University For almost 80 years, the Shockley diode equation has described current flow through solar cells, which power homes and charge battery banks. However, a recent study ...

TOKYO -- Sony Group will begin mass-producing laser diodes that promise to help double the capacity of hard disk drives (HDDs) and meet today's insatiable demand for data centers, Nikkei has learned.