Circuit Documentation

Summary

This document provides a detailed overview of a circuit designed to manage and boost the voltage from multiple 18650 Li-ion batteries, charge them, and power a Lora G2 Node Station. The circuit includes a battery indicator, a boost module, a fast charging module, a rotary switch, and a USB Type-C port.

Component List

1. Battery Indicator

   • Description: Indicates the status of the battery.
   • Pins: +, -

2. Mini Boost Module 3.7V to 5V 8V 9V 12V Step Up Board

   • Description: Boosts the voltage from 3.7V to a higher voltage (5V, 8V, 9V, or 12V).
   • Pins: IN-, IN+, OUT+, OUT-

3. 5V 3A Li-ion Fast Charging Module

   • Description: Charges Li-ion batteries quickly at 5V and 3A.
   • Pins: B-, B+, IN-, IN+, USB-C IN

4. Lora G2 Node Station

   • Description: A node station for Lora communication.
   • Pins: +, -

5. 18650 Li-ion Battery

   • Description: Rechargeable lithium-ion battery.
   • Pins: +, -

6. IP67 Type-C USB Port

   • Description: USB Type-C port with IP67 rating.
   • Pins: IN, OUT

7. Double Pole 2POS Rotary Switch

   • Description: A double pole, two-position rotary switch.
   • Pins: 4(NC), 5(com), 6(NO), 1(NC), 2(COM), 3(NO)

Wiring Details

Battery Indicator

• + Pin:

  • Connected to the + pin of all 18650 Li-ion Batteries.
  • Connected to the 1(NC) pin of the Double Pole 2POS Rotary Switch.
  • Connected to the B+ pin of the 5V 3A Li-ion Fast Charging Module.

• - Pin:

  • Connected to the - pin of all 18650 Li-ion Batteries.
  • Connected to the IN- pin of the Mini Boost Module.
  • Connected to the B- pin of the 5V 3A Li-ion Fast Charging Module.

Mini Boost Module 3.7V to 5V 8V 9V 12V Step Up Board

• IN- Pin:

  • Connected to the - pin of all 18650 Li-ion Batteries.
  • Connected to the - pin of the Battery Indicator.

• IN+ Pin:

  • Connected to the 2(COM) pin of the Double Pole 2POS Rotary Switch.

• OUT+ Pin:

  • Connected to the + pin of the Lora G2 Node Station.

• OUT- Pin:

  • Connected to the - pin of the Lora G2 Node Station.

5V 3A Li-ion Fast Charging Module

• B+ Pin:

  • Connected to the + pin of all 18650 Li-ion Batteries.
  • Connected to the + pin of the Battery Indicator.

• B- Pin:

  • Connected to the - pin of all 18650 Li-ion Batteries.
  • Connected to the - pin of the Battery Indicator.

• USB-C IN Pin:

  • Connected to the OUT pin of the IP67 Type-C USB Port.

Lora G2 Node Station

• + Pin:

  • Connected to the OUT+ pin of the Mini Boost Module.

• - Pin:

  • Connected to the OUT- pin of the Mini Boost Module.

18650 Li-ion Battery

• + Pin:

  • Connected to the + pin of all other 18650 Li-ion Batteries.
  • Connected to the 1(NC) pin of the Double Pole 2POS Rotary Switch.
  • Connected to the B+ pin of the 5V 3A Li-ion Fast Charging Module.
  • Connected to the + pin of the Battery Indicator.

• - Pin:

  • Connected to the - pin of all other 18650 Li-ion Batteries.
  • Connected to the IN- pin of the Mini Boost Module.
  • Connected to the B- pin of the 5V 3A Li-ion Fast Charging Module.
  • Connected to the - pin of the Battery Indicator.

IP67 Type-C USB Port

• OUT Pin:
  • Connected to the USB-C IN pin of the 5V 3A Li-ion Fast Charging Module.

Double Pole 2POS Rotary Switch

• 1(NC) Pin:

  • Connected to the + pin of all 18650 Li-ion Batteries.

• 2(COM) Pin:

  • Connected to the IN+ pin of the Mini Boost Module.

Code

There is no embedded code provided for this circuit.

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This document provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and code documentation.