Circuit Documentation

Summary

This document provides a detailed overview of a circuit that integrates a GPS module, a Bluetooth module, a radio communication module, and a GPS antenna. The circuit is powered by a 5V battery and includes rocker switches for power control. The GPS module communicates with both the Bluetooth and radio communication modules. The document includes a component list, wiring details, and the embedded code used in the microcontroller.

Component List

1. SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P

   • Description: High-precision GPS module
   • Pins: 1, TX2, RX2, 3.3V, 5, GND, SDA/!CS, SCL/SCK, FENCE_STAT, RTK_STAT, PPS, !RESET, !SAFE, INT, TXO/MISO, RXI/MOSI, 5V

2. Antenna GPS Embedded SMA

   • Description: GPS antenna with SMA connector
   • Pins: VCC, GND

3. HC-05 Bluetooth Module

   • Description: Bluetooth module for wireless communication
   • Pins: Key, VCC, GND, TXD, RXD, State

4. 5V Battery

   • Description: Power source for the circuit
   • Pins: +, -

5. Rocker Switch

   • Description: Switch for controlling power
   • Pins: 1, 2

6. APC220

   • Description: Radio communication module
   • Pins: GND, VCC, EN, RXD, TXD, AUX, SET

Wiring Details

SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P

• TX2 is connected to RXD of APC220
• RX2 is connected to TXD of APC220
• GND is connected to GND of APC220
• 3.3V is connected to pin 1 of Rocker Switch
• RX2 is connected to TXD of HC-05 Bluetooth Module
• TX2 is connected to RXD of HC-05 Bluetooth Module
• 3.3V is connected to VCC of HC-05 Bluetooth Module
• 5V is connected to pin 2 of Rocker Switch and VCC of Antenna GPS Embedded SMA
• GND is connected to GND of HC-05 Bluetooth Module, GND of Antenna GPS Embedded SMA, and - of 5V Battery

Antenna GPS Embedded SMA

• VCC is connected to pin 2 of Rocker Switch
• GND is connected to GND of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P, GND of HC-05 Bluetooth Module, and - of 5V Battery

HC-05 Bluetooth Module

• TXD is connected to RX2 of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P
• RXD is connected to TX2 of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P
• VCC is connected to 3.3V of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P
• GND is connected to GND of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P, GND of Antenna GPS Embedded SMA, and - of 5V Battery

5V Battery

• + is connected to pin 1 of Rocker Switch
• - is connected to GND of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P, GND of HC-05 Bluetooth Module, and GND of Antenna GPS Embedded SMA

Rocker Switch

• 1 is connected to + of 5V Battery
• 2 is connected to 5V of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P and VCC of Antenna GPS Embedded SMA

APC220

• RXD is connected to TX2 of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P
• TXD is connected to RX2 of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P
• GND is connected to GND of SparkFun Qwiic GPS-RTK2 - ublox ZED-F9P
• VCC is connected to pin 2 of Rocker Switch

Documented Code

sketch.ino

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

}

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

}

documentation.txt