Circuit Documentation

Summary

This circuit is a simple power regulation and LED indicator circuit. It uses a 9V battery as the power source, a 7805 voltage regulator to step down the voltage to 5V, a toggle switch to control the power, and an LED with a current-limiting resistor to indicate the power status.

Component List

1. 7805 Voltage Regulator

   • Pins: Vin, Gnd, Vout
   • Description: A voltage regulator that steps down the input voltage to a stable 5V output.
   • Purpose: To provide a stable 5V output from a 9V battery.

2. 9V Battery

   • Pins: +, -
   • Description: A 9V battery used as the power source for the circuit.
   • Purpose: To supply power to the circuit.

3. Toggle Switch

   • Pins: L1, COM, L2
   • Description: A switch used to control the power flow in the circuit.
   • Purpose: To turn the circuit on and off.

4. LED: Two Pin (red)

   • Pins: cathode, anode
   • Description: A red LED used as an indicator.
   • Purpose: To indicate the power status of the circuit.

5. Resistor

   • Pins: pin1, pin2
   • Description: A resistor with a resistance of 200 Ohms.
   • Purpose: To limit the current flowing through the LED.

6. Vout

   • Pins: Vout
   • Description: A terminal to access the regulated 5V output.
   • Purpose: To provide a connection point for the 5V output.

Wiring Details

7805 Voltage Regulator

• Vin: Connected to L2 of the Toggle Switch.
• Gnd: Connected to the anode of the LED and the negative terminal of the 9V battery.
• Vout: Connected to Vout terminal and pin1 of the Resistor.

9V Battery

• +: Connected to COM of the Toggle Switch.
• -: Connected to the anode of the LED and Gnd of the 7805 Voltage Regulator.

Toggle Switch

• L1: Not connected.
• COM: Connected to the positive terminal of the 9V battery.
• L2: Connected to Vin of the 7805 Voltage Regulator.

LED: Two Pin (red)

• cathode: Connected to pin2 of the Resistor.
• anode: Connected to Gnd of the 7805 Voltage Regulator and the negative terminal of the 9V battery.

Resistor

• pin1: Connected to Vout of the 7805 Voltage Regulator.
• pin2: Connected to the cathode of the LED.

Vout

• Vout: Connected to Vout of the 7805 Voltage Regulator and pin1 of the Resistor.

Code

There is no microcontroller code associated with this circuit.