I like the 12V LED. But I have only 3V of batteries. So, No light. When using this circuit, I can get light of the LED at 100 mA. And, an adjustable output voltage.
How to use TL497 as the switched-mode power supply schematic that output current of 500mA, and there is 3 models: step down, step-up, and inverting voltage converters. Now, a switching…
Let's build a small solar AA battery charger. In an era of expensive energy better. In an era that energy is more expensive every day. Alternative energy is a good…