Circuit Documentation

Summary

The circuit described in the provided design includes a variety of components that interact to perform specific functions. The circuit is powered by a 240V power source and includes an Arduino UNO microcontroller as the central processing unit. The circuit features a 3-way ball valve controlled by solid-state relays, which are in turn managed by the Arduino. Input and output devices include a temperature sensor (LM35), a real-time clock (RTC), an OLED display module, and a sonar sensor within a watertube. Toggle switches are used to control the flow of power within the circuit. A resistor is also included, likely for current limiting or voltage division purposes.

Component List

• 3-way Ball Valve: A valve used to control the flow of a fluid, with three different positions.
• 240V Power Source: The main power supply for the circuit, providing a 240V alternating current.
• Toggle Switches: Two switches used to control the connection of the circuit to the power source or other components.
• Arduino UNO: A microcontroller board based on the ATmega328P, used for controlling the various components of the circuit.
• OLED Display Module: A 1.3-inch display used for visual output from the circuit.
• RTC (Real-Time Clock): A clock module used to keep track of the current time and date.
• Temperature Sensor (LM35): A precision integrated-circuit temperature device used for measuring temperature.
• Resistor: A passive two-terminal electrical component that implements electrical resistance as a circuit element.
• Solid State Relay: An electronic switching device that allows for controlling high power devices with low power signals from the microcontroller.
• Sonar in Watertube: A sensor used to measure the distance to an object by using sound waves.

Wiring Details

3-way Ball Valve

• Pos1 (Blue): Connected to the ground (Gnd) of a Toggle Switch and channel 2A of the Solid State Relay.
• Pos2 (Brown): Connected to the Vcc of a Toggle Switch and channel 1A of the Solid State Relay.
• Neutral (Yellow-Green): Connected to the Neutral pin of the 240V Power Source.

240V Power Source

• Live: Connected to the Sig pin of a Toggle Switch.
• Neutral: Connected to the Neutral (Yellow-Green) pin of the 3-way Ball Valve.

Toggle Switches

• Vcc: One switch's Vcc is connected to the Pos2 (Brown) of the 3-way Ball Valve and the other switch's Vcc is connected to the Sig of the other Toggle Switch.
• Sig: One switch's Sig is connected to the Live of the 240V Power Source, and the other switch's Sig is connected to the Vcc of the other Toggle Switch.
• Gnd: One switch's Gnd is connected to the Pos1 (Blue) of the 3-way Ball Valve and channels 1B and 2B of the Solid State Relay. The other switch's Gnd is connected to the same channels of the Solid State Relay.

Arduino UNO

• 5V: Powers the Temperature Sensor, RTC, OLED Display, Resistor, Sonar Sensor, and Solid State Relay.
• GND: Common ground for the Temperature Sensor, RTC, OLED Display, Sonar Sensor, and Solid State Relay.
• A0: Connected to channel CH1 of the Solid State Relay.
• A1: Connected to channel CH2 of the Solid State Relay.
• D2-D13: Various connections to the OLED Display, RTC, Temperature Sensor, and Sonar Sensor for control and data transfer.

OLED Display Module

• CS: Connected to D10 on the Arduino UNO.
• GND: Common ground with Arduino UNO.
• VCC: Powered by 5V from Arduino UNO.
• CLK: Connected to D13 on the Arduino UNO.
• MOSI: Connected to D11 on the Arduino UNO.
• RES: Connected to D9 on the Arduino UNO.
• DC: Connected to D8 on the Arduino UNO.

RTC

• VCC: Powered by 5V from Arduino UNO.
• GND: Common ground with Arduino UNO.
• CLK: Connected to D5 on the Arduino UNO.
• DAT: Connected to D6 on the Arduino UNO.
• RST: Connected to D7 on the Arduino UNO.

Temperature Sensor (LM35)

• +Vs: Powered by 5V from Arduino UNO.
• Vout: Connected to D4 on the Arduino UNO and one pin of the Resistor.
• GND: Common ground with Arduino UNO.

Resistor

• Pin1: Connected to Vout of the Temperature Sensor and D4 on the Arduino UNO.
• Pin2: Powered by 5V from Arduino UNO.

Solid State Relay

• CH1: Connected to A0 on the Arduino UNO.
• CH2: Connected to A1 on the Arduino UNO.
• 5V: Powered by 5V from Arduino UNO.
• GND: Common ground with Arduino UNO.
• 1A: Connected to Pos2 (Brown) of the 3-way Ball Valve.
• 1B: Connected to Gnd of a Toggle Switch.
• 2A: Connected to Pos1 (Blue) of the 3-way Ball Valve.
• 2B: Connected to Gnd of a Toggle Switch.

Sonar in Watertube

• GND: Common ground with Arduino UNO.
• TX/TRIG: Connected to D3 on the Arduino UNO.
• RX/ECHO: Connected to D2 on the Arduino UNO.
• 5V: Powered by 5V from Arduino UNO.

Documented Code

Arduino UNO Code (sketch.ino)

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

}

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

}

Note: The provided code for the Arduino UNO is a template with empty setup and loop functions. Actual functionality needs to be implemented based on the requirements of the circuit.

Additional Documentation (documentation.txt)

No additional documentation code was provided.