12+ Microwave Oven Circuit Diagram Full. All power relay switches are controlled by 12 v driving circuits but the power stage high currents are drawn from ac power line. It is built around 5v voltage regulator 7805 (ic1), microcontroller (mcu) at89c52 (ic2), four 12v relays (rl1 through rl4), five pnp transistors (bc557), 14 tactile switches, one 16×2 line lcd (lcd1) and a few discrete components.
Schematic diagram generic microwave oven. The microwave oven system block diagram is shown in figure 1. The circuit diagram of the developed source is depicted in fig.
The fact that the dimensions of the.
12+ Microwave Oven Circuit Diagram Full. My microwave oven stopped working. White led driver constant current isolated offline circuit diagram. Assuming a 700 watt oven, where the magnetron has a power factor of say 98% (1 = resistive load, 0 = fully inductive load), it might be say 4.2 amps. String led circuit diagram constant current power supply.