Circuit Documentation

Summary

The circuit in question appears to be a simple control system that uses an infrared (IR) sensor to trigger a relay, which in turn controls two 12V fans. The IR sensor is powered by a 9V battery, while the relay and the fans are powered by a separate 12V battery. When the IR sensor detects an object, it sends a signal to the relay's input, causing the relay to switch and provide power to the fans, turning them on.

Component List

IR Sensor

• Pins: out, gnd, vcc
• Description: An infrared sensor used for detecting objects in its proximity.

12V Single Channel Relay

• Pins: NC (Normally Closed), COM (Common), NO (Normally Open), IN (Input), GND (Ground), VCC (Voltage Supply)
• Description: A relay that switches a circuit on or off based on an input signal.

40 Fan 12V (Two Instances)

• Pins: +12V, -12V
• Description: A 12V fan used for cooling or ventilation purposes.

Battery 12V

• Pins: +, -
• Description: A 12V battery providing power to the relay and the fans.

9V Battery

• Pins: +, -
• Description: A 9V battery providing power to the IR sensor.

Comment (Two Instances)

• Pins: N/A
• Description: A placeholder for additional information or notes about the circuit.

Wiring Details

IR Sensor

• out: Connected to the IN pin of the 12V Single Channel Relay.
• gnd: Connected to the GND pin of the 12V Single Channel Relay and the - pin of the 9V Battery.
• vcc: Connected to the VCC pin of the 12V Single Channel Relay and the + pin of the 9V Battery.

12V Single Channel Relay

• IN: Connected to the out pin of the IR Sensor.
• GND: Connected to the gnd pin of the IR Sensor and the - pin of the 9V Battery.
• VCC: Connected to the vcc pin of the IR Sensor and the + pin of the 9V Battery.
• COM: Connected to the - pin of the 12V Battery.
• NO: Connected to the -12V pins of both 40 Fan 12V components.

40 Fan 12V (First Instance)

• +12V: Connected to the + pin of the 12V Battery.
• -12V: Connected to the NO pin of the 12V Single Channel Relay.

40 Fan 12V (Second Instance)

• +12V: Connected to the + pin of the 12V Battery.
• -12V: Connected to the NO pin of the 12V Single Channel Relay.

Battery 12V

• +: Connected to the +12V pins of both 40 Fan 12V components.
• -: Connected to the COM pin of the 12V Single Channel Relay.

9V Battery

• +: Connected to the VCC pin of the 12V Single Channel Relay and the vcc pin of the IR Sensor.
• -: Connected to the GND pin of the 12V Single Channel Relay and the gnd pin of the IR Sensor.

Documented Code

There is no code provided for any microcontrollers in this circuit. If there were any microcontrollers involved, their code would be documented in this section.