In order to help his friend prepare for a talk at DEFCON this weekend, [Craig] built an IR photodiode amplifier circuit. The circuit extended the detection range of the hack from a few inches to ...

Unlock the potential of the TDA2003 with a high-efficiency 10W audio amplifier circuit designed for clean and powerful sound output. This simple yet effective design ensures optimal performance, ...

a very simple op amp circuit with some detail omitted If you open this circuit in the Falstad simulator, you’ll see two sliders to the right where you can tweak the input voltage. If you make ...