Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various components such as pushbuttons, LoRa modules, Arduino UNOs, a GPS module, and a buzzer. The circuit is designed to interface these components with two Arduino UNOs, which control the operation of the other components. The document includes a component list, wiring details, and the embedded code used in the microcontrollers.

Component List

Pushbutton

• Description: A simple pushbutton used to provide user input.
• Pins: Pin 1 (in), Pin 2 (in), Pin 3 (out), Pin 4 (out)

LoRa Ra-02 SX1278 (1)

• Description: A LoRa module used for long-range communication.
• Pins: GND, NSS, MOSI, MISO, SCK, D105, DI04, 3.3V, RST, DI00, DI01, D102, DI03

LoRa Ra-02 SX1278 (2)

• Description: A second LoRa module used for long-range communication.
• Pins: GND, NSS, MOSI, MISO, SCK, D105, DI04, 3.3V, RST, DI00, DI01, D102, DI03

Arduino UNO (1)

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

Arduino UNO (2)

• Description: A second microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

GPS NEO 6M

• Description: A GPS module used for location tracking.
• Pins: VCC, RX, TX, GND

Buzzer

• Description: A buzzer used for audio alerts.
• Pins: GND, IN

Wiring Details

Pushbutton

• Pin 4 (out) connected to GND of Arduino UNO (1)
• Pin 2 (in) connected to D7 of Arduino UNO (1)

LoRa Ra-02 SX1278 (1)

• NSS connected to D10 of Arduino UNO (1)
• MOSI connected to D11 of Arduino UNO (1)
• MISO connected to D12 of Arduino UNO (1)
• SCK connected to D13 of Arduino UNO (1)
• GND connected to GND of Arduino UNO (1)
• 3.3V connected to 3.3V of Arduino UNO (1)
• RST connected to D9 of Arduino UNO (1)

LoRa Ra-02 SX1278 (2)

• NSS connected to D10 of Arduino UNO (2)
• MOSI connected to D11 of Arduino UNO (2)
• MISO connected to D12 of Arduino UNO (2)
• SCK connected to D13 of Arduino UNO (2)
• GND connected to GND of Arduino UNO (2)
• 3.3V connected to 3.3V of Arduino UNO (2)
• RST connected to D9 of Arduino UNO (2)

Arduino UNO (1)

• GND connected to Pin 4 (out) of Pushbutton
• D7 connected to Pin 2 (in) of Pushbutton
• D10 connected to NSS of LoRa Ra-02 SX1278 (1)
• D11 connected to MOSI of LoRa Ra-02 SX1278 (1)
• D12 connected to MISO of LoRa Ra-02 SX1278 (1)
• D13 connected to SCK of LoRa Ra-02 SX1278 (1)
• GND connected to GND of LoRa Ra-02 SX1278 (1)
• 3.3V connected to 3.3V of LoRa Ra-02 SX1278 (1)
• D9 connected to RST of LoRa Ra-02 SX1278 (1)
• 5V connected to VCC of GPS NEO 6M
• D4 connected to TX of GPS NEO 6M
• D3 connected to RX of GPS NEO 6M

Arduino UNO (2)

• GND connected to GND of Buzzer
• D8 connected to IN of Buzzer
• D10 connected to NSS of LoRa Ra-02 SX1278 (2)
• D11 connected to MOSI of LoRa Ra-02 SX1278 (2)
• D12 connected to MISO of LoRa Ra-02 SX1278 (2)
• D13 connected to SCK of LoRa Ra-02 SX1278 (2)
• GND connected to GND of LoRa Ra-02 SX1278 (2)
• 3.3V connected to 3.3V of LoRa Ra-02 SX1278 (2)
• D9 connected to RST of LoRa Ra-02 SX1278 (2)

GPS NEO 6M

• GND connected to GND of Arduino UNO (1)
• VCC connected to 5V of Arduino UNO (1)
• TX connected to D4 of Arduino UNO (1)
• RX connected to D3 of Arduino UNO (1)

Buzzer

• GND connected to GND of Arduino UNO (2)
• IN connected to D8 of Arduino UNO (2)

Documented Code

Arduino UNO (1)

sketch.ino

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

}

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

}

documentation.txt

Arduino UNO (2)

sketch.ino

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

}

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

}

documentation.txt