Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO, a KY-015 DHT11 Temperature-Humidity sensor module, a 1 Channel Relay 5V, and a 18650 Li-ion Battery. The circuit is designed to read temperature and humidity data and control a relay based on the readings.

Component List

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

KY-015 DHT11 Temperature-Humidity Sensor Module

• Description: A sensor module that measures temperature and humidity.
• Pins: VCC, GND, DOUT

1 Channel Relay 5V

• Description: A relay module that can be controlled by a microcontroller to switch high voltage devices.
• Pins: VCC, GND, IN, NC, COM, NO

18650 Li-ion Battery

• Description: A rechargeable lithium-ion battery.
• Pins: -, +

Comment

• Description: A placeholder for comments or notes in the circuit.
• Pins: None

Wiring Details

Arduino UNO

• 5V: Connected to VCC of the 1 Channel Relay 5V and VCC of the KY-015 DHT11 Temperature-Humidity Sensor Module.
• GND: Connected to GND of the 1 Channel Relay 5V, GND of the KY-015 DHT11 Temperature-Humidity Sensor Module, and - of the 18650 Li-ion Battery.
• Vin: Connected to + of the 18650 Li-ion Battery.
• D13: Connected to IN of the 1 Channel Relay 5V.
• D2: Connected to DOUT of the KY-015 DHT11 Temperature-Humidity Sensor Module.

KY-015 DHT11 Temperature-Humidity Sensor Module

• VCC: Connected to 5V of the Arduino UNO.
• GND: Connected to GND of the Arduino UNO.
• DOUT: Connected to D2 of the Arduino UNO.

1 Channel Relay 5V

• VCC: Connected to 5V of the Arduino UNO.
• GND: Connected to GND of the Arduino UNO.
• IN: Connected to D13 of the Arduino UNO.

18650 Li-ion Battery

• -: Connected to GND of the Arduino UNO.
• +: Connected to Vin of the Arduino UNO.

Documented Code

Arduino UNO Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation

// This file is intended for additional documentation and notes.

This document provides a comprehensive overview of the circuit, including the components used, their connections, and the code running on the Arduino UNO.