Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a Raspberry Pi 4B, a DC power source, a MOSFET, a resistor, and a 5V mini water pump. The circuit is designed to control the water pump using the Raspberry Pi, with the MOSFET acting as a switch. The resistor is used to limit the current to the water pump.

Component List

1. Resistor

   • Description: A resistor with a resistance of 200 Ohms.
   • Pins: pin1, pin2

2. Raspberry Pi 4B

   • Description: A single-board computer used to control the circuit.
   • 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

3. DC Power Source

   • Description: A DC power source providing power to the circuit.
   • Pins: Ground, Positive

4. MOSFET

   • Description: A MOSFET used as a switch to control the water pump.
   • Pins: Gate, Drain, Source

5. 5V Mini Water Pump

   • Description: A small water pump operating at 5V.
   • Pins: positive pin, negative pin

Wiring Details

Resistor

• pin1 is connected to:

  • negative pin of the 5V mini water pump
  • Drain of the MOSFET

• pin2 is connected to:

  • positive pin of the 5V mini water pump
  • Positive of the DC power source

Raspberry Pi 4B

• GND is connected to:

  • Source of the MOSFET
  • Ground of the DC power source

• GPIO14 is connected to:

  • Gate of the MOSFET

DC Power Source

• Ground is connected to:

  • Source of the MOSFET
  • GND of the Raspberry Pi 4B

• Positive is connected to:

  • pin2 of the Resistor
  • positive pin of the 5V mini water pump

MOSFET

• Source is connected to:

  • GND of the Raspberry Pi 4B
  • Ground of the DC power source

• Drain is connected to:

  • pin1 of the Resistor
  • negative pin of the 5V mini water pump

• Gate is connected to:

  • GPIO14 of the Raspberry Pi 4B

5V Mini Water Pump

• positive pin is connected to:

  • pin2 of the Resistor
  • Positive of the DC power source

• negative pin is connected to:

  • pin1 of the Resistor
  • Drain of the MOSFET

Code

No code is provided for this circuit.