DIY LM317 Adjustable Constant Current Source: Build Your Own 125-400mA Supply

DIY LM317 Adjustable Constant Current Source

Hey, if you’re diving into electronics and need a reliable way to control current for projects like LED lighting, battery charging, or component testing, an adjustable constant current source is a game-changer. The schematic you shared features the LM317 regulator set up to deliver 125-400mA, adjustable with a potentiometer. As an experienced electronics engineer, I’ve … Read more