Circuit Documentation

Summary

This document provides a detailed overview of a circuit involving an Arduino UNO microcontroller, various sensors, and interface components. The circuit is designed to interface with a torque transducer, rotary encoder, DHT22 temperature and humidity sensor, and IR sensors. The Arduino UNO serves as the central processing unit, collecting data from the sensors and processing it accordingly.

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

HX711 - Bridge Sensor Interface

• Description: A precision 24-bit analog-to-digital converter (ADC) designed for weigh scales and industrial control applications.
• Pins: E+, E-, A-, A+, B-, B+, GND - GROUND, DATA (OUT), SCK - CLOCK (IN), 3.3/3.5V Supply

Torque Transducer

• Description: A sensor used to measure torque.
• Pins: SIG+, EXC+, SIG-, EXC-

Rotary Encoder Incremental Type Side Mount

• Description: A device that converts the angular position or motion of a shaft to an analog or digital code.
• Pins: A, B, Z, VCC, GND

DHT22

• Description: A temperature and humidity sensor.
• Pins: +, Out, -

IR Sensor

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

Wiring Details

Arduino UNO

• 5V: Connected to VCC of IR Sensor, 3.3/3.5V Supply of HX711, VCC of Rotary Encoder, + of DHT22, VCC of another IR Sensor
• A0: Connected to Out of DHT22
• GND: Connected to GND of IR Sensor, GND - GROUND of HX711, GND of Rotary Encoder, - of DHT22, GND of another IR Sensor
• D10: Connected to DATA (OUT) of HX711
• D11: Connected to SCK - CLOCK (IN) of HX711
• D8: Connected to out of IR Sensor
• D9: Connected to out of another IR Sensor
• D4: Connected to A of Rotary Encoder

HX711 - Bridge Sensor Interface

• 3.3/3.5V Supply: Connected to 5V of Arduino UNO
• GND - GROUND: Connected to GND of Arduino UNO
• E+: Connected to SIG+ of Torque Transducer
• E-: Connected to EXC+ of Torque Transducer
• A-: Connected to SIG- of Torque Transducer
• A+: Connected to EXC- of Torque Transducer
• DATA (OUT): Connected to D10 of Arduino UNO
• SCK - CLOCK (IN): Connected to D11 of Arduino UNO

Torque Transducer

• SIG+: Connected to E+ of HX711
• EXC+: Connected to E- of HX711
• SIG-: Connected to A- of HX711
• EXC-: Connected to A+ of HX711

Rotary Encoder Incremental Type Side Mount

• VCC: Connected to 5V of Arduino UNO
• GND: Connected to GND of Arduino UNO
• A: Connected to D4 of Arduino UNO

DHT22

• +: Connected to 5V of Arduino UNO
• Out: Connected to A0 of Arduino UNO
• -: Connected to GND of Arduino UNO

IR Sensor (1)

• vcc: Connected to 5V of Arduino UNO
• gnd: Connected to GND of Arduino UNO
• out: Connected to D8 of Arduino UNO

IR Sensor (2)

• vcc: Connected to 5V of Arduino UNO
• gnd: Connected to GND of Arduino UNO
• out: Connected to D9 of 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:

}

Documentation (documentation.txt)

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