Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with a DS3231 RTC module, multiple load sensors, a 7-segment display, and several resistors. The Arduino UNO serves as the central controller, managing data from the load sensors and the RTC module, and displaying information on the 7-segment display.

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

DS3231 RTC

• Description: A real-time clock module with an I2C interface.
• Pins: 32K, SQW, SCL, SDA, VCC, GND

Resistor

• Description: A passive electrical component that implements electrical resistance.
• Pins: pin1, pin2
• Properties: Resistance: 200 Ohms

7 Segment Display (4 Digit)

• Description: A display module used to show numerical data.
• Pins: 1, A, F, 2, 3, B, G, 4, C, DP, D, E

Load Sensor - 50kg

• Description: A sensor used to measure weight up to 50kg.
• Pins: W, R, B

Wiring Details

Arduino UNO

• 5V: Connected to R pins of all Load Sensors and VCC pin of DS3231 RTC.
• GND: Connected to B pin of one Load Sensor and GND pin of DS3231 RTC.
• A0: Connected to W pins of all Load Sensors.
• A4: Connected to SDA pin of DS3231 RTC.
• A5: Connected to SCL pin of DS3231 RTC.
• D13: Connected to pin2 of one Resistor.
• D12: Connected to pin1 of one Resistor.
• D11: Connected to pin1 of one Resistor.
• D10: Connected to pin1 of one Resistor.
• D9: Connected to pin2 of one Resistor.
• D8: Connected to pin2 of one Resistor.
• D7: Connected to pin1 of one Resistor.
• D6: Connected to pin2 of one Resistor.
• D5: Connected to pin2 of one Resistor.
• D4: Connected to pin2 of one Resistor.
• D3: Connected to pin1 of one Resistor.
• D2: Connected to pin1 of one Resistor.

DS3231 RTC

• VCC: Connected to 5V pin of Arduino UNO.
• GND: Connected to GND pin of Arduino UNO.
• SDA: Connected to A4 pin of Arduino UNO.
• SCL: Connected to A5 pin of Arduino UNO.

Resistor

• pin1: Connected to D12, D11, D10, D7, D3, D2 pins of Arduino UNO, and G, 4, C, DP, D, E pins of 7 Segment Display.
• pin2: Connected to D13, D9, D8, D6, D5, D4 pins of Arduino UNO, and 1, A, F, 2, 3, B pins of 7 Segment Display.

7 Segment Display (4 Digit)

• 1: Connected to pin2 of one Resistor.
• A: Connected to pin2 of one Resistor.
• F: Connected to pin2 of one Resistor.
• 2: Connected to pin2 of one Resistor.
• 3: Connected to pin2 of one Resistor.
• B: Connected to pin2 of one Resistor.
• G: Connected to pin1 of one Resistor.
• 4: Connected to pin1 of one Resistor.
• C: Connected to pin1 of one Resistor.
• DP: Connected to pin1 of one Resistor.
• D: Connected to pin1 of one Resistor.
• E: Connected to pin1 of one Resistor.

Load Sensor - 50kg

• R: Connected to 5V pin of Arduino UNO.
• B: Connected to GND pin of Arduino UNO.
• W: Connected to A0 pin of 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 Code for Resistor

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

}

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

}

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and documented code.