Circuit Documentation

Summary

This circuit integrates a Raspberry Pi Zero W, a GSM SIM900 module, and a JSN-SR04T Ultrasonic Sensor. The Raspberry Pi Zero W serves as the central processing unit, interfacing with the GSM module for communication and the ultrasonic sensor for distance measurement.

Component List

Raspberry Pi Zero W

• Description: A small, affordable computer that can be used for a variety of applications.
• Pins: 5V, 3V3, GPIO2 (SDA), GPIO 3, GROUND, GPIO 14, GPIO15, GPIO 18, GND, GPIO 23, GPIO24, GPIO 25, GPIO 8, GPIO 7, GPIO 1, GPIO 12, GPIO 16, GPIO 20, GPIO 21, GPIO 04, GPIO 17, GPIO 27, GPIO 22, GPIO 10, GPIO 9, GPIO 11, GPIO 0, GPIO 5, GPIO 6, GPIO 13, GPIO 19, GPIO 26, CSI (CAMERA)
• Purpose in Circuit: Central processing unit

GSM SIM900

• Description: A GSM module used for communication over cellular networks.
• Pins: A5, A4, A3, A2, A1, A0, 5V, GND, 3.3V, RESET, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, AREF
• Purpose in Circuit: Communication module

JSN-SR04T Ultrasonic Sensor

• Description: An ultrasonic sensor used for distance measurement.
• Pins: 5V, Trig, Echo, GND
• Purpose in Circuit: Distance measurement

Wiring Details

Raspberry Pi Zero W

• 5V is connected to:

  • JSN-SR04T Ultrasonic Sensor 5V
  • GSM SIM900 5V

• GROUND is connected to:

  • GSM SIM900 GND

• GND is connected to:

  • GSM SIM900 GND
  • JSN-SR04T Ultrasonic Sensor GND

• GPIO 23 is connected to:

  • JSN-SR04T Ultrasonic Sensor Trig

• GPIO 24 is connected to:

  • JSN-SR04T Ultrasonic Sensor Echo

GSM SIM900

• 5V is connected to:

  • Raspberry Pi Zero W 5V

• GND is connected to:

  • Raspberry Pi Zero W GROUND
  • Raspberry Pi Zero W GND

JSN-SR04T Ultrasonic Sensor

• 5V is connected to:

  • Raspberry Pi Zero W 5V

• Trig is connected to:

  • Raspberry Pi Zero W GPIO 23

• Echo is connected to:

  • Raspberry Pi Zero W GPIO 24

• GND is connected to:

  • Raspberry Pi Zero W GND

Code

No code is provided for this circuit.