Circuit Documentation

Summary

This circuit is designed to control a motor using a pushbutton and a relay module. The circuit includes an IC 7408 (AND gate), a 5V battery, pushbuttons, resistors, a relay module, and motors. The pushbutton is used to trigger the relay, which in turn controls the motor. The IC 7408 is used to process the input signals from the pushbutton.

Component List

1. IC 7408

   • Description: Quad 2-input AND gate
   • Pins: A1, B1, Y1, A2, B2, Y2, GND, Vcc, B4, A4, Y4, A3, B3, Y3

2. 5V Battery

   • Description: Power supply
   • Pins: positive, negative

3. Pushbutton

   • Description: Momentary switch
   • Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

4. Resistor

   • Description: 200 Ohms resistor
   • Pins: pin1, pin2
   • Properties: Resistance = 200 Ohms

5. Relay Module 5V-30V

   • Description: Relay module for switching
   • Pins: common contact, normally open, normally closed, trigger, V-, V+

6. Motor (Hobby)

   • Description: Motor with gear reduction
   • Pins: vcc, GND

7. Motor

   • Description: Standard motor
   • Pins: negative, positive

Wiring Details

IC 7408

• A1 is connected to:

  • Pushbutton Pin 1 (in)
  • Resistor pin1

• B1 is connected to:

  • 5V Battery positive

• B2 is connected to:

  • 5V Battery positive

• Vcc is connected to:

  • 5V Battery positive

• Y1 is connected to:

  • Relay module trigger

• GND is connected to:

  • 5V Battery negative
  • Pushbutton Pin 3 (out)
  • Relay module V-
  • Motor negative
  • Motor (Hobby) GND

5V Battery

• positive is connected to:

  • IC 7408 B1
  • IC 7408 B2
  • IC 7408 Vcc
  • Relay module common contact
  • Relay module V+
  • Resistor pin2

• negative is connected to:

  • IC 7408 GND
  • Pushbutton Pin 3 (out)
  • Relay module V-
  • Motor negative
  • Motor (Hobby) GND

Pushbutton

• Pin 1 (in) is connected to:

  • IC 7408 A1
  • Resistor pin1

• Pin 3 (out) is connected to:

  • 5V Battery negative
  • IC 7408 GND
  • Relay module V-
  • Motor negative
  • Motor (Hobby) GND

Resistor

• pin1 is connected to:

  • IC 7408 A1
  • Pushbutton Pin 1 (in)

• pin2 is connected to:

  • 5V Battery positive

Relay Module 5V-30V

• common contact is connected to:

  • 5V Battery positive

• V+ is connected to:

  • 5V Battery positive

• trigger is connected to:

  • IC 7408 Y1

• V- is connected to:

  • 5V Battery negative
  • IC 7408 GND
  • Pushbutton Pin 3 (out)
  • Motor negative
  • Motor (Hobby) GND

• normally open is connected to:

  • Motor positive
  • Motor (Hobby) vcc

Motor (Hobby)

• vcc is connected to:

  • Relay module normally open

• GND is connected to:

  • 5V Battery negative
  • IC 7408 GND
  • Pushbutton Pin 3 (out)
  • Relay module V-
  • Motor negative

Motor

• positive is connected to:

  • Relay module normally open

• negative is connected to:

  • 5V Battery negative
  • IC 7408 GND
  • Pushbutton Pin 3 (out)
  • Relay module V-
  • Motor (Hobby) GND

Code

No microcontroller code is provided for this circuit.