Circuit Documentation

Summary of the Circuit

This circuit appears to be a power supply unit with a rectification stage, voltage regulation, and a protection mechanism. The circuit takes an AC input from a transformer, rectifies it using a bridge rectifier, filters it with capacitors, regulates the voltage using a voltage regulator, and provides a stable DC output. Protection is offered by a fuse and a Zener diode. There are also switches to control the power flow and an LED indicator.

Component List

Bridge Rectifier

• Description: A component that converts AC to DC.
• Pins: Source_in-, source_out-, source_out+, source_in+

Transformer

• Description: A device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Pins: 5, 1, 2, 3, 4

Power Supply

• Description: Provides power to the circuit.
• Pins: +, -

Resistor (1 kOhms)

• Description: A passive two-terminal electrical component that implements electrical resistance as a circuit element.
• Pins: pin1, pin2

Voltage Regulator

• Description: Maintains a constant voltage level.
• Pins: IN, GND, OUT

12V Zener Diode

• Description: A diode that allows current to flow in the forward direction in the same manner as an ideal diode, but also permits it to flow in the reverse direction when the voltage is above a certain value known as the breakdown voltage.
• Pins: Anode, Cathode

Toggle Switch

• Description: A switch that can open or close the circuit by changing its position.
• Pins: L1, COM, L2

Rocker Switch

• Description: A switch that rocks back and forth to open or close the circuit.
• Pins: output, input

3 Amps Fuse Holder

• Description: A safety device consisting of a strip of wire that melts and breaks an electric circuit if the current exceeds a safe level.
• Pins: 1, 2

Electrolytic Capacitor (0.001 Farads)

• Description: A capacitor that uses an electrolyte to achieve a larger capacitance than other capacitor types.
• Pins: -, +

Electrolytic Capacitor (0.0000047 Farads)

• Description: A smaller capacitance capacitor for filtering and stabilizing the voltage.
• Pins: -, +

LED: Two Pin (red)

• Description: A light-emitting diode that emits red light when a voltage is applied across its pins.
• Pins: cathode, anode

Wiring Details

Bridge Rectifier

• Source_in- connected to Transformer pin 5
• source_out- connected to Power Supply pin -
• source_out+ connected to Electrolytic Capacitor pin + and Voltage Regulator pin IN
• source_in+ connected to Transformer pin 3

Transformer

• Pin 5 connected to Bridge Rectifier Source_in-
• Pin 1 connected to Rocker Switch output
• Pin 2 connected to Power Supply pin -
• Pin 3 connected to Bridge Rectifier source_in+
• Pin 4 not connected

Power Supply

• • connected to 3 Amps Fuse Holder pin 1
• • connected to Transformer pin 2

Resistor (1 kOhms)

• pin1 connected to Voltage Regulator GND and Toggle Switch COM
• pin2 connected to LED cathode and Resistor pin1

Voltage Regulator

• IN connected to Bridge Rectifier source_out+ and Electrolytic Capacitor pin +
• GND connected to Toggle Switch COM, Resistor pin1, and 12V Zener Diode Anode
• OUT connected to Electrolytic Capacitor pin +, Resistor pin1, and Resistor pin2

12V Zener Diode

• Anode connected to Voltage Regulator GND
• Cathode connected to Electrolytic Capacitor pin -, LED anode, Electrolytic Capacitor pin -, and Toggle Switch L2

Toggle Switch

• L1 not connected
• COM connected to Voltage Regulator GND and Resistor pin1
• L2 connected to 12V Zener Diode Cathode

Rocker Switch

• output connected to Transformer pin 1
• input connected to 3 Amps Fuse Holder pin 2

3 Amps Fuse Holder

• 1 connected to Power Supply pin +
• 2 connected to Rocker Switch input

Electrolytic Capacitor (0.001 Farads)

• • connected to Bridge Rectifier source_out+ and Voltage Regulator IN
• • connected to LED anode, Electrolytic Capacitor pin -, and Toggle Switch L2

Electrolytic Capacitor (0.0000047 Farads)

• • connected to Voltage Regulator OUT and Resistor pin1
• • connected to 12V Zener Diode Cathode, LED anode, and Toggle Switch L2

LED: Two Pin (red)

• anode connected to Electrolytic Capacitor pin -, 12V Zener Diode Cathode, and Electrolytic Capacitor pin -
• cathode connected to Resistor pin2

Documented Code

Microcontroller Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation (documentation.txt)

No additional code documentation provided.