Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with an HX711 bridge sensor interface, a load sensor, a dual-axis joystick module, several LEDs, resistors, and a pushbutton. The circuit is designed to read data from the load sensor and joystick, and control the LEDs based on the input.

Component List

1. HX711 - Bridge Sensor Interface

   • Description: Interface for bridge sensors like load cells.
   • Pins: E+, E-, A-, A+, B-, B+, GND, DATA (OUT), SCK (IN), 3.3/3.5V Supply

2. Arduino UNO

   • Description: 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

3. Load Sensor - 50kg

   • Description: Sensor to measure weight up to 50kg.
   • Pins: W, R, B

4. KY-023 Dual Axis Joystick Module

   • Description: Joystick module with X and Y axis and a switch.
   • Pins: GND, +5V, VRx, VRy, SW

5. LED: Two Pin (green)

   • Description: Green LED.
   • Pins: cathode, anode

6. LED: Two Pin (yellow)

   • Description: Yellow LED.
   • Pins: cathode, anode

7. LED: Two Pin (blue)

   • Description: Blue LED.
   • Pins: cathode, anode

8. LED: Two Pin (red)

   • Description: Red LED.
   • Pins: cathode, anode

9. Resistor (200 Ohms)

   • Description: Resistor with 200 Ohms resistance.
   • Pins: pin1, pin2

10. Pushbutton

    • Description: Simple pushbutton.
    • Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

Wiring Details

HX711 - Bridge Sensor Interface

• 3.3/3.5V Supply connected to 5V of Arduino UNO
• SCK - CLOCK (IN) connected to D2 of Arduino UNO
• A+ connected to W of Load Sensor - 50kg
• DATA (OUT) connected to D3 of Arduino UNO
• GND - GROUND connected to GND of Arduino UNO
• E- connected to B of Load Sensor - 50kg
• E+ connected to R of Load Sensor - 50kg

Arduino UNO

• 5V connected to 3.3/3.5V Supply of HX711 - Bridge Sensor Interface
• D2 connected to SCK - CLOCK (IN) of HX711 - Bridge Sensor Interface
• D3 connected to DATA (OUT) of HX711 - Bridge Sensor Interface
• GND connected to GND - GROUND of HX711 - Bridge Sensor Interface
• 5V connected to +5V of KY-023 Dual Axis Joystick Module
• GND connected to GND of KY-023 Dual Axis Joystick Module
• D3 connected to pin2 of Resistor and anode of LED: Two Pin (green)
• D2 connected to pin2 of Resistor and anode of LED: Two Pin (red)
• D4 connected to pin2 of Resistor and anode of LED: Two Pin (blue)
• D5 connected to pin2 of Resistor and anode of LED: Two Pin (yellow)
• A0 connected to VRx of KY-023 Dual Axis Joystick Module
• A1 connected to VRy of KY-023 Dual Axis Joystick Module
• D6 connected to Pin 2 (in) of Pushbutton
• D1 connected to SW of KY-023 Dual Axis Joystick Module

Load Sensor - 50kg

• W connected to A+ of HX711 - Bridge Sensor Interface
• B connected to E- of HX711 - Bridge Sensor Interface
• R connected to E+ of HX711 - Bridge Sensor Interface

KY-023 Dual Axis Joystick Module

• +5V connected to 5V of Arduino UNO
• GND connected to GND of Arduino UNO
• VRx connected to A0 of Arduino UNO
• VRy connected to A1 of Arduino UNO
• SW connected to D1 of Arduino UNO

LED: Two Pin (green)

• cathode connected to GND of Arduino UNO
• anode connected to pin1 of Resistor and D3 of Arduino UNO

LED: Two Pin (yellow)

• cathode connected to GND of Arduino UNO
• anode connected to pin1 of Resistor and D5 of Arduino UNO

LED: Two Pin (blue)

• cathode connected to GND of Arduino UNO
• anode connected to pin1 of Resistor and D4 of Arduino UNO

LED: Two Pin (red)

• cathode connected to GND of Arduino UNO
• anode connected to pin1 of Resistor and D2 of Arduino UNO

Resistor (200 Ohms)

• pin1 connected to anode of respective LED
• pin2 connected to respective digital pin of Arduino UNO

Pushbutton

• Pin 3 (out) connected to Pin 1 (in)
• Pin 4 (out) connected to Pin 2 (in) and D6 of Arduino UNO

Documented Code

Arduino UNO (Instance 1)

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

}

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

}

Arduino UNO (Instance 2)

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 for the microcontrollers.