R3 only needs to provide the minimum current for TL431 If the output goes too high then the LED should be off. However the TL431 cathode draws up to a maximum of 1mA even when it would ideally be no ...

[Kevin] doesn’t stock zener diodes anymore. Why? Because for everything he used to use zeners, he now uses TL431 bandgap voltage references. These look like zener diodes but have an extra terminal.

On September 19 th, 2024, DRAFT text for F.18 MOSAICS 5-Year Collaboration Awards was Released for Community Comment. The deadline to receive comments have been extended from 11/22/24 to 12/9/24. When ...

At first glance, adding solar power to your project might seem easy. Get a photovoltaic panel, point it towards the big ball of burning gas in the sky, and off you go. But in reality, there’s a ...