Raspberry Pi 4B-Based Multi-Sensor Interface Hub with GPS and GSM
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Circuit Documentation
Summary
This circuit integrates a variety of components to create a multifunctional system. It includes a Raspberry Pi 4B as the main controller, interfaced with an IMX296 Color Global Shutter for image capture. Power management is handled by an MT3608 boost converter, drawing power from a Lipo Battery. The circuit features a resettable fuse PTC for protection and a 1N4007 diode for rectification. Sensor integration includes an Adafruit BMP388 for barometric pressure, an MPU-6050 for motion tracking, and a Neo 6M GPS Module for location tracking. Communication capabilities are provided by a Sim800l GSM module. An Adafruit Perma-Proto HAT is used for organizing the connections and interfacing the peripherals with the Raspberry Pi.
Component List
IMX296 Color Global Shutter
- Description: An image sensor for capturing high-quality images.
- Pins: Ribbon Cable
MT3608
- Description: A boost converter module to step up voltage.
- Pins: VOUT+, VIN+, VOUT-, VIN-
Raspberry Pi 4B
- Description: A powerful microcomputer used as the main controller.
- Pins: 3V3, 5V, GPIOs, GND, ETH, HDMI, CAMERA, AV, etc.
Neo 6M GPS Module
- Description: A GPS receiver module for location tracking.
- Pins: GND, TX, RX, VCC
Resettable Fuse PTC
- Description: A fuse that can be reset to protect the circuit from overcurrent.
- Pins: 1, 2
1N4007 Rectifier Diode
- Description: A diode used for rectification and preventing reverse current flow.
- Pins: Cathode, Anode
Adafruit BMP388
- Description: A high precision barometric pressure sensor.
- Pins: VCC, 3.3V, GND, SCK/SCL, SDO/ADR, SDI/SDA, CS, INT
Lipo Battery
- Description: A rechargeable battery providing power to the circuit.
- Pins: VCC, GND
MPU-6050
- Description: A motion tracking device with a gyroscope and accelerometer.
- Pins: VCC, GND, SCL, SDA, XDA, XCL, AD0, INT
Sim800l
- Description: A GSM module for cellular communication.
- Pins: NET, RST, VCC, RXD, TXD, GND
Adafruit Perma-Proto HAT
- Description: A prototyping board for organizing connections on the Raspberry Pi.
- Pins: SDA, SCL, TXD, RXD, GPIOs, SPI, 3.3V, 5.0V, GND, etc.
Wiring Details
IMX296 Color Global Shutter
- Ribbon Cable connected to Raspberry Pi 4B CAMERA
MT3608
- VIN+ connected to Lipo Battery VCC
- VIN- connected to Lipo Battery GND
- VOUT+ connected to Resettable Fuse PTC pin 2
- VOUT- connected to Adafruit Perma-Proto HAT GND
Raspberry Pi 4B
- Utilizes multiple GPIOs, power, and other interfaces for communication and control.
Neo 6M GPS Module
- GND connected to Adafruit Perma-Proto HAT GND
- TX connected to Adafruit Perma-Proto HAT TXD
- RX connected to Adafruit Perma-Proto HAT RXD
- VCC connected to Adafruit Perma-Proto HAT 3.3V
Resettable Fuse PTC
- Pin 1 connected to 1N4007 Rectifier Diode Cathode
- Pin 2 connected to MT3608 VOUT+
1N4007 Rectifier Diode
- Anode connected to Adafruit Perma-Proto HAT 5.0V
- Cathode connected to Resettable Fuse PTC pin 1
Adafruit BMP388
- VCC connected to Adafruit Perma-Proto HAT 3.3V
- GND connected to Adafruit Perma-Proto HAT GND
- SCK/SCL connected to Adafruit Perma-Proto HAT N$61
- SDI/SDA connected to Adafruit Perma-Proto HAT N$62
Lipo Battery
- VCC connected to MT3608 VIN+
- GND connected to MT3608 VIN-
MPU-6050
- VCC connected to Adafruit Perma-Proto HAT 3.3V
- GND connected to Adafruit Perma-Proto HAT GND
- SCL connected to Adafruit Perma-Proto HAT N$61
- SDA connected to Adafruit Perma-Proto HAT N$62
Sim800l
- VCC connected to Adafruit Perma-Proto HAT 5.0V
- RXD connected to Adafruit Perma-Proto HAT GPIO18
- TXD connected to Adafruit Perma-Proto HAT GPIO17
- GND connected to Adafruit Perma-Proto HAT GND
Adafruit Perma-Proto HAT
- Organizes all connections and interfaces with the Raspberry Pi and other components.
Documented Code
No code has been provided for the microcontrollers in the circuit. When code becomes available, it should be documented here with descriptions of its functionality and how it interacts with the hardware components.