Battery-Powered LED Circuit with Polarity Protection and Power Switch
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Circuit Documentation
Summary of the Circuit
The circuit described by the provided inputs appears to be a simple power supply circuit with an LED indicator. The circuit includes a power source (18650 Li-Ion battery), a current-limiting resistor, an LED, a rectifier diode to prevent reverse current, an electrolytic capacitor for voltage smoothing, a rocker switch for power control, and a terminal PCB for external connections. The circuit does not include any microcontroller or embedded code.
Component List
LED
- Description: A light-emitting diode used as an indicator.
- Pins: Anode (+), Cathode (-)
Terminal PCB 2 Pin
- Description: A two-pin terminal for making external connections to the circuit.
- Pins: Pin A, Pin B
Electrolytic Capacitor
- Description: A capacitor used for filtering and stabilizing the DC power supply.
- Pins: Anode (+), Cathode (-)
- Properties: Capacitance (Value not specified)
1N4007 Rectifier Diode
- Description: A diode used to prevent reverse current flow.
- Pins: Anode, Cathode
18650 Li-Ion Battery
- Description: A rechargeable lithium-ion battery used as the power source.
- Pins: Positive, Negative
Rocker Switch
- Description: A switch used to control the power flow in the circuit.
- Pins: Input, Output
Resistor
- Description: A resistor used to limit the current through the LED.
- Pins: Pin 1, Pin 2
- Properties: Resistance: 330 Ohms
Wiring Details
LED
- Anode (Positive) connected to the Cathode of the 1N4007 Rectifier Diode.
- Cathode (Negative) connected to Pin 2 of the Resistor.
Terminal PCB 2 Pin
- Pin A connected to the Positive pin of the 18650 Li-Ion Battery, Anode of the Electrolytic Capacitor, and Anode of the 1N4007 Rectifier Diode.
- Pin B connected to the Negative pin of the Electrolytic Capacitor, Output of the Rocker Switch, and Pin 1 of the Resistor.
Electrolytic Capacitor
- Anode (Positive) connected to the Positive pin of the 18650 Li-Ion Battery, Pin A of the Terminal PCB 2 Pin, and Anode of the 1N4007 Rectifier Diode.
- Cathode (Negative) connected to the Output of the Rocker Switch, Pin B of the Terminal PCB 2 Pin, and Pin 1 of the Resistor.
1N4007 Rectifier Diode
- Anode connected to the Positive pin of the 18650 Li-Ion Battery, Pin A of the Terminal PCB 2 Pin, and Anode of the Electrolytic Capacitor.
- Cathode connected to the Anode of the LED.
18650 Li-Ion Battery
- Positive connected to the Anode of the Electrolytic Capacitor, Pin A of the Terminal PCB 2 Pin, and Anode of the 1N4007 Rectifier Diode.
- Negative connected to the Input of the Rocker Switch.
Rocker Switch
- Input connected to the Negative pin of the 18650 Li-Ion Battery.
- Output connected to the Negative pin of the Electrolytic Capacitor, Pin B of the Terminal PCB 2 Pin, and Pin 1 of the Resistor.
Resistor
- Pin 1 connected to the Output of the Rocker Switch, Pin B of the Terminal PCB 2 Pin, and Cathode of the Electrolytic Capacitor.
- Pin 2 connected to the Cathode of the LED.
Documented Code
There is no embedded code provided for this circuit as it does not include any programmable components or microcontrollers.