Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various components such as relays, DC motors, toggle switches, capacitive sensors, and a DC buck step-down converter. The circuit is designed to control the operation of DC motors using relays and sensors, with power regulation provided by a buck converter.

Component List

1. Relay Omron MK2P-N

   • Pins: 6, 5, 4, 3, 7, 8, 1, 2
   • Description: General-purpose relay used for switching applications.

2. 12V SINGLE CHANNEL RELAY

   • Pins: NC, COM, NO, IN, GND, VCC
   • Description: Single-channel relay module for controlling high voltage devices.

3. DC Motor

   • Pins: pin 1, pin 2
   • Description: Standard DC motor for mechanical movement.

4. Toggle Switch

   • Pins: L1, COM, L2
   • Description: Switch used to toggle the state of the circuit.

5. Capacitive Sensor

   • Pins: GND, VCC, SIGNAL
   • Description: Sensor used to detect the presence of a conductive object.

6. Red Panel Mount 4mm Banana Socket

   • Pins: Red_Pin
   • Description: Red banana socket for power connections.

7. Black Panel Mount 4mm Banana Socket

   • Pins: Black_Pin
   • Description: Black banana socket for ground connections.

8. XL4015 5A DC Buck Step-down

   • Pins: Output +, Output -, Input +, Input -
   • Description: DC-DC buck converter for voltage regulation.

Wiring Details

Relay Omron MK2P-N

• Pin 3 is connected to pin 1 of a DC Motor.
• Pin 7 is connected to:
  • GND of the 12V SINGLE CHANNEL RELAY
  • GND of a Capacitive Sensor
  • pin 2 of a DC Motor
  • Output - of the XL4015 5A DC Buck Step-down
  • GND of another Capacitive Sensor
  • pin 1 of another DC Motor
• Pin 8 is connected to:
  • NO of the 12V SINGLE CHANNEL RELAY
  • VCC of the 12V SINGLE CHANNEL RELAY
  • VCC of a Capacitive Sensor
  • Output + of the XL4015 5A DC Buck Step-down
  • VCC of another Capacitive Sensor
• Pin 2 is connected to L2 of the Toggle Switch.

12V SINGLE CHANNEL RELAY

• GND is connected to:
  • Pin 7 of the Relay Omron MK2P-N
  • GND of a Capacitive Sensor
  • pin 2 of a DC Motor
  • Output - of the XL4015 5A DC Buck Step-down
  • GND of another Capacitive Sensor
  • pin 1 of another DC Motor
• NO is connected to:
  • Pin 8 of the Relay Omron MK2P-N
  • VCC of the 12V SINGLE CHANNEL RELAY
  • VCC of a Capacitive Sensor
  • Output + of the XL4015 5A DC Buck Step-down
  • VCC of another Capacitive Sensor
• COM is connected to pin 2 of a DC Motor.
• IN is connected to L1 of the Toggle Switch.

DC Motor

• pin 1 of one motor is connected to pin 3 of the Relay Omron MK2P-N.
• pin 2 of the same motor is connected to:
  • GND of the 12V SINGLE CHANNEL RELAY
  • Pin 7 of the Relay Omron MK2P-N
  • GND of a Capacitive Sensor
  • Output - of the XL4015 5A DC Buck Step-down
  • GND of another Capacitive Sensor
  • pin 1 of another DC Motor
• pin 1 of another motor is connected to Pin 7 of the Relay Omron MK2P-N.
• pin 2 of the same motor is connected to COM of the 12V SINGLE CHANNEL RELAY.

Toggle Switch

• L2 is connected to Pin 2 of the Relay Omron MK2P-N.
• L1 is connected to IN of the 12V SINGLE CHANNEL RELAY.
• COM is connected to Red_Pin of a Red Panel Mount 4mm Banana Socket.

Capacitive Sensor

• GND of one sensor is connected to:
  • GND of the 12V SINGLE CHANNEL RELAY
  • Pin 7 of the Relay Omron MK2P-N
  • pin 2 of a DC Motor
  • Output - of the XL4015 5A DC Buck Step-down
  • GND of another Capacitive Sensor
  • pin 1 of another DC Motor
• VCC of the same sensor is connected to:
  • NO of the 12V SINGLE CHANNEL RELAY
  • Pin 8 of the Relay Omron MK2P-N
  • VCC of the 12V SINGLE CHANNEL RELAY
  • Output + of the XL4015 5A DC Buck Step-down
  • VCC of another Capacitive Sensor
• SIGNAL of the same sensor is connected to Red_Pin of a Red Panel Mount 4mm Banana Socket.
• GND of another sensor is connected to:
  • GND of the 12V SINGLE CHANNEL RELAY
  • Pin 7 of the Relay Omron MK2P-N
  • pin 2 of a DC Motor
  • Output - of the XL4015 5A DC Buck Step-down
  • GND of another Capacitive Sensor
  • pin 1 of another DC Motor
• VCC of the same sensor is connected to:
  • NO of the 12V SINGLE CHANNEL RELAY
  • Pin 8 of the Relay Omron MK2P-N
  • VCC of the 12V SINGLE CHANNEL RELAY
  • Output + of the XL4015 5A DC Buck Step-down
  • VCC of another Capacitive Sensor
• SIGNAL of the same sensor is connected to Red_Pin of another Red Panel Mount 4mm Banana Socket.

Red Panel Mount 4mm Banana Socket

• Red_Pin of one socket is connected to COM of the Toggle Switch.
• Red_Pin of another socket is connected to SIGNAL of a Capacitive Sensor.
• Red_Pin of another socket is connected to SIGNAL of another Capacitive Sensor.
• Red_Pin of another socket is connected to Input + of the XL4015 5A DC Buck Step-down.

Black Panel Mount 4mm Banana Socket

• Black_Pin is connected to Input - of the XL4015 5A DC Buck Step-down.

XL4015 5A DC Buck Step-down

• Output - is connected to:
  • GND of the 12V SINGLE CHANNEL RELAY
  • Pin 7 of the Relay Omron MK2P-N
  • GND of a Capacitive Sensor
  • pin 2 of a DC Motor
  • GND of another Capacitive Sensor
  • pin 1 of another DC Motor
• Output + is connected to:
  • NO of the 12V SINGLE CHANNEL RELAY
  • Pin 8 of the Relay Omron MK2P-N
  • VCC of the 12V SINGLE CHANNEL RELAY
  • VCC of a Capacitive Sensor
  • VCC of another Capacitive Sensor
• Input + is connected to Red_Pin of a Red Panel Mount 4mm Banana Socket.
• Input - is connected to Black_Pin of the Black Panel Mount 4mm Banana Socket.

Code

No microcontroller code is provided for this circuit.