Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with multiple force sensing resistors (FSRs), an MPU6050 accelerometer and gyroscope module, and an HC-05 Bluetooth module. The circuit is powered by a 9V battery. The Arduino reads data from the FSRs and MPU6050, and communicates with an external device via the HC-05 Bluetooth module.

Component List

9V Battery

• Description: Provides power to the circuit.
• Pins: +, -

MPU6050

• Description: Accelerometer and gyroscope module.
• Pins: vcc, gnd, scl, sda, xda, xcl, AD0, int, 3.3v

Force Sensing Resistor

• Description: Resistor whose resistance changes with applied force.
• Pins: pin 0, pin 1

HC-05 Bluetooth Module

• Description: Bluetooth module for wireless communication.
• Pins: Key, VCC, GND, TXD, RXD, State

Resistor (10k Ohms)

• Description: Fixed resistor with a resistance of 10k Ohms.
• Pins: pin1, pin2

Resistor (2k Ohms)

• Description: Fixed resistor with a resistance of 2k Ohms.
• Pins: pin1, pin2

Resistor (1k Ohms)

• Description: Fixed resistor with a resistance of 1k Ohms.
• Pins: pin1, pin2

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

Wiring Details

9V Battery

• + to Vin of Arduino UNO
• - to GND of Arduino UNO

MPU6050

• vcc to 5V of Arduino UNO
• gnd to GND of Arduino UNO
• scl to D5 of Arduino UNO
• sda to D4 of Arduino UNO

Force Sensing Resistor 1

• pin 0 to A0 of Arduino UNO
• pin 1 to pin2 of a 10k Ohm resistor

Force Sensing Resistor 2

• pin 0 to A1 of Arduino UNO
• pin 1 to pin2 of a 10k Ohm resistor

Force Sensing Resistor 3

• pin 0 to A2 of Arduino UNO
• pin 1 to pin2 of a 10k Ohm resistor

Force Sensing Resistor 4

• pin 0 to A3 of Arduino UNO
• pin 1 to pin2 of a 10k Ohm resistor

Force Sensing Resistor 5

• pin 0 to A4 of Arduino UNO
• pin 1 to pin2 of a 10k Ohm resistor

Force Sensing Resistor 6

• pin 0 to A5 of Arduino UNO
• pin 1 to pin2 of a 10k Ohm resistor

HC-05 Bluetooth Module

• VCC to 5V of Arduino UNO
• GND to GND of Arduino UNO
• TXD to D0 of Arduino UNO
• RXD to pin2 of a 2k Ohm resistor

Resistor (10k Ohms)

• pin1 of all 10k Ohm resistors to GND of Arduino UNO

Resistor (2k Ohms)

• pin1 to pin1 of a 1k Ohm resistor
• pin2 to RXD of HC-05 Bluetooth Module

Resistor (1k Ohms)

• pin1 to pin1 of a 2k Ohm resistor
• pin2 to D1 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:

}

Additional Documentation (documentation.txt)

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