power supply circuit lm324 op-amp 0.30v can be current and voltage setting between 0.3a sprint layout have been prepared with KT818 pnp power transistor circuit rather than a more powerful MJ2955 or pnp transistor can be used. Source: j.mp/ad99NF... Electronics Projects, 0-30V 0-3A Adjustable Power Supply Circuit "power electronic projects, power supply circuit, power supply project, simple circuit projects, " Date 2019/08/02