Circuit Documentation

Summary

This circuit is designed to utilize a 18650 Li-ion battery to power a TP4056 battery charging module, which in turn powers a series of LEDs and piezo sensors. The circuit includes rectifier diodes for protection and an electrolytic capacitor for smoothing the voltage. A rocker switch is used to control the power to the LEDs.

Component List

1. 18650 Li-ion Battery

   • Pins: +, -
   • Description: A rechargeable lithium-ion battery.
   • Purpose: Provides power to the circuit.

2. Piezo Sensor

   • Pins: +, -
   • Description: A sensor that generates a voltage when mechanical stress is applied.
   • Purpose: Used to detect mechanical vibrations or impacts.

3. 1N4007 Rectifier Diode

   • Pins: Cathode, Anode
   • Description: A diode used for rectification.
   • Purpose: Protects the circuit by allowing current to flow in one direction only.

4. Electrolytic Capacitor

   • Pins: +, -
   • Description: A capacitor with a capacitance of 220 Farads.
   • Purpose: Smooths out voltage fluctuations.

5. TP4056

   • Pins: OUT-, B-, B+, OUT+, IN-, IN+
   • Description: A lithium battery charging module.
   • Purpose: Manages the charging of the 18650 Li-ion battery.

6. LED: Two Pin (red)

   • Pins: cathode, anode
   • Description: A red light-emitting diode.
   • Purpose: Indicates the status of the circuit.

7. LED: Two Pin (yellow)

   • Pins: cathode, anode
   • Description: A yellow light-emitting diode.
   • Purpose: Indicates the status of the circuit.

8. Rocker Switch

   • Pins: 1, 2
   • Description: A switch used to control the power.
   • Purpose: Turns the LEDs on and off.

Wiring Details

18650 Li-ion Battery

• + Pin:
  • Connected to B+ pin of TP4056.
• - Pin:
  • Connected to B- pin of TP4056.

Piezo Sensor

• + Pin:
  • Connected to Anode pin of 1N4007 Rectifier Diode.
• - Pin:
  • Connected to Cathode pin of 1N4007 Rectifier Diode.

1N4007 Rectifier Diode

• Cathode Pin:
  • Connected to IN+ pin of TP4056.
  • Connected to Cathode pin of another 1N4007 Rectifier Diode.
  • Connected to + pin of Electrolytic Capacitor.
  • Connected to cathode pin of LED (red).
• Anode Pin:
  • Connected to IN- pin of TP4056.
  • Connected to - pin of Electrolytic Capacitor.
  • Connected to Anode pin of another 1N4007 Rectifier Diode.

Electrolytic Capacitor

• + Pin:
  • Connected to Cathode pin of 1N4007 Rectifier Diode.
• - Pin:
  • Connected to IN- pin of TP4056.

TP4056

• OUT- Pin:
  • Connected to pin 2 of Rocker Switch.
• B- Pin:
  • Connected to - pin of 18650 Li-ion Battery.
• B+ Pin:
  • Connected to + pin of 18650 Li-ion Battery.
• OUT+ Pin:
  • Connected to cathode pin of LED (yellow).

LED: Two Pin (red)

• cathode Pin:
  • Connected to Cathode pin of 1N4007 Rectifier Diode.
• anode Pin:
  • Connected to IN- pin of TP4056.

LED: Two Pin (yellow)

• cathode Pin:
  • Connected to OUT+ pin of TP4056.
• anode Pin:
  • Connected to pin 1 of Rocker Switch.

Rocker Switch

• Pin 1:
  • Connected to anode pin of LED (yellow).
• Pin 2:
  • Connected to OUT- pin of TP4056.

Code

No microcontroller code is provided for this circuit.

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This documentation provides a comprehensive overview of the circuit, including a detailed list of components and their wiring connections.