Circuit Documentation
Summary
This document provides a detailed overview of a complex circuit involving various sensors, a camera, a GPS module, a GSM module, and a Raspberry Pi 4B. The circuit is designed to capture images, read sensor data, and communicate via GSM. It also includes a heart pulse sensor for emergency detection. The captured data is displayed on an OLED screen.
Component List
IMX296 Color Global Shutter
- Description: A high-speed global shutter camera sensor.
- Pins: Ribbon Cable
MT3608
- Description: A DC-DC step-up power converter.
- Pins: VOUT+, VIN+, VOUT-, VIN-
Raspberry Pi 4B
- Description: A powerful single-board computer.
- Pins: 3V3, 5V, GPIO2, GPIO3, GND, GPIO4, GPIO14, GPIO15, GPIO17, GPIO18, GPIO27, GPIO22, GPIO23, GPIO24, GPIO10, GPIO9, GPIO25, GPIO11, GPIO8, GPIO7, ID_SD, GPIO5, GPIO6, GPIO12, GPIO13, GPIO19, GPIO16, GPIO26, GPIO20, GPIO21, ID_SC, TR01_TAP, TR00_TAP, TR03_TAP, TR02_TAP, RUN, GLOBAL_EN, ETH, HDMI 0, HDMI 1, CAMERA, AV
Neo 6M GPS Module
- Description: A GPS module for location tracking.
- Pins: GND, TX, RX, VCC
Resettable Fuse PTC
- Description: A resettable fuse for overcurrent protection.
- Pins: 1, 2
Adafruit BMP388
- Description: A barometric pressure and temperature sensor.
- Pins: VCC, 3.3V, GND, SCK/SCL, SDO/ADR, SDI/SDA, CS, INT
Lipo Battery
- Description: A rechargeable lithium polymer battery.
- Pins: VCC, GND
MPU-6050
- Description: A 6-axis motion tracking device.
- Pins: VCC, GND, SCL, SDA, XDA, XCL, AD0, INT
Sim800l
- Description: A GSM module for communication.
- Pins: NET, RST, VCC, RXD, TXD, GND
Adafruit Perma-Proto HAT
- Description: A prototyping HAT for Raspberry Pi.
- Pins: SDA, SCL, TXD, RXD, GPIO4, GPIO17, GPIO18, GPIO27, GPIO22, GPIO23, GPIO24, GPIO25, SPI_MOSI, SPI_MISO, SPI_SCLK, SPI_CE0, SPI_CE1, GPIO5, GPIO6, GPIO12, GPIO13, GPIO16, GPIO19, GPIO20, GPIO21, 3.3V, 5.0V, GND, EEDATA, EECLK, GPIO26, N$1, N$2, N$3, N$4, N$5, N$6, N$7, N$8, N$9, N$10, N$11, N$12, N$13, N$14, N$15, N$17, N$18, N$19, N$20, N$21, N$22, N$23, N$39, N$41, N$42, N$43, N$44, N$45, N$46, N$47, N$48, N$49, N$50, N$51, N$52, N$53, N$54, N$55, N$56, N$57, N$58, N$59, N$60, N$61, N$62
Heart Pulse Sensor
- Description: A sensor to detect heart pulse.
- Pins: GND, VCC, SIGNAL
0.96" OLED
- Description: A small OLED display.
- Pins: GND, VDD, SCK, SDA
7-Segment Panel Celsius Thermometer
- Description: A thermometer with a 7-segment display.
- Pins: V+, V-
Solar Panel
- Description: A solar panel for energy harvesting.
- Pins: +, -
1N4007 Rectifier Diode
- Description: A general-purpose rectifier diode.
- Pins: Cathode, Anode
Ceramic Capacitor
- Description: A capacitor for filtering and stabilization.
- Pins: pin0, pin1
- Properties: Capacitance: 0.0000001 Farads
Wiring Details
IMX296 Color Global Shutter
- Ribbon Cable connected to Raspberry Pi 4B CAMERA pin.
MT3608
- VIN+ connected to Ceramic Capacitor pin1, Lipo Battery VCC, and Solar Panel -.
- VIN- connected to Ceramic Capacitor pin0, Lipo Battery GND, and Solar Panel +.
- VOUT+ connected to Resettable Fuse PTC pin2.
- VOUT- connected to Adafruit Perma-Proto HAT GND.
Raspberry Pi 4B
- CAMERA connected to IMX296 Color Global Shutter Ribbon Cable.
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
- 2 connected to MT3608 VOUT+.
- 1 connected to 1N4007 Rectifier Diode Cathode.
Adafruit BMP388
- SCK/SCL connected to Adafruit Perma-Proto HAT N$61.
- SDI/SDA connected to Adafruit Perma-Proto HAT N$62.
- GND connected to Adafruit Perma-Proto HAT GND.
- VCC connected to Adafruit Perma-Proto HAT 3.3V.
Lipo Battery
- VCC connected to Ceramic Capacitor pin1, MT3608 VIN+, and Solar Panel -.
- GND connected to Ceramic Capacitor pin0, MT3608 VIN-, and Solar Panel +.
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
- GND connected to MT3608 VOUT-, Adafruit BMP388 GND, Neo 6M GPS Module GND, MPU-6050 GND, Sim800l GND, Heart Pulse Sensor GND, 0.96" OLED GND, and 7-Segment Panel Celsius Thermometer V-.
- 3.3V connected to Adafruit BMP388 VCC, Neo 6M GPS Module VCC, MPU-6050 VCC, Heart Pulse Sensor VCC, 0.96" OLED VDD, and 7-Segment Panel Celsius Thermometer V+.
- 5.0V connected to Sim800l VCC and 1N4007 Rectifier Diode Anode.
- N$61 connected to Adafruit BMP388 SCK/SCL and MPU-6050 SCL.
- N$62 connected to Adafruit BMP388 SDI/SDA and MPU-6050 SDA.
- GPIO4 connected to Heart Pulse Sensor SIGNAL.
- GPIO22 connected to 0.96" OLED SCK.