Circuit Documentation

Summary

This document provides a detailed overview of a power supply circuit that converts 220V AC to 5V DC. The circuit consists of a power transformer, a bridge rectifier, and a voltage regulator. The power transformer steps down the 220V AC to 24V AC, which is then rectified by the bridge rectifier to produce a DC voltage. Finally, the 7805 voltage regulator converts the rectified DC voltage to a stable 5V DC output.

Component List

1. Power Transformer (220V to 24V)

   • Description: Steps down 220V AC to 24V AC.
   • Pins:
     • 2 - Primary
     • 1 - Primary
     • 3 - Secondary
     • 4 - Secondary

2. 7805

   • Description: Voltage regulator that converts input DC voltage to a stable 5V DC output.
   • Pins:
     • Vin
     • Gnd
     • Vout

3. BRIDGE - 1N4007

   • Description: Bridge rectifier that converts AC voltage to DC voltage.
   • Pins:
     • 1 INPUT
     • 2 INPUT
     • • PIN
     • • PIN

4. Power 220V

   • Description: Provides 220V AC power supply.
   • Pins:
     • hot wire
     • neutral wire

Wiring Details

Power Transformer (220V to 24V)

• Pin 2 - Primary is connected to hot wire of Power 220V.
• Pin 1 - Primary is connected to neutral wire of Power 220V.
• Pin 3 - Secondary is connected to 1 INPUT of BRIDGE - 1N4007.
• Pin 4 - Secondary is connected to 2 INPUT of BRIDGE - 1N4007.

7805

• Vin is connected to + PIN of BRIDGE - 1N4007.
• Gnd is connected to - PIN of BRIDGE - 1N4007.
• Vout is the 5V DC output.

BRIDGE - 1N4007

• 1 INPUT is connected to Pin 3 - Secondary of Power Transformer (220V to 24V).
• 2 INPUT is connected to Pin 4 - Secondary of Power Transformer (220V to 24V).
• + PIN is connected to Vin of 7805.
• - PIN is connected to Gnd of 7805.

Power 220V

• hot wire is connected to Pin 2 - Primary of Power Transformer (220V to 24V).
• neutral wire is connected to Pin 1 - Primary of Power Transformer (220V to 24V).

Code

There is no microcontroller code associated with this circuit.