Circuit Documentation
Summary
This circuit is designed to interface an I2C module with an Arduino UNO microcontroller. It includes a 9V battery for power, several 10k Ohm resistors for pull-up on the I2C lines or other purposes, and multiple 2.2-inch basic flex resistors, potentially for sensing flex or as part of a voltage divider. The circuit also includes an LCD Display 16x2, which may be used for outputting data or status information.
Component List
Battery 9V
- Description: Provides the power supply for the circuit.
- Pins: VCC, GND
2.2 inch Basic Flex Resistor
- Description: A flexible resistor, possibly used for sensing or as part of a voltage divider.
- Pins: Pin 2, Pin 1
I2C module
- Description: A module that communicates using the I2C protocol.
- Pins: SCL, SDA, VCC, GND
Resistor (10k Ohm)
- Description: A resistor with a resistance of 10k Ohms, likely used as a pull-up resistor.
- Pins: Pin 1, Pin 2
LCD Display 16x2
- Description: A display for showing text or numbers.
- Pins: LEDK, LEDA, DB7, DB6, DB5, DB4, DB3, DB2, DB1, DB0, E, RW, RS, VO, VDD, VSS
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
Wiring Details
Battery 9V
- VCC connected to Arduino UNO Vin
- GND connected to GND net (Arduino UNO GND, I2C module GND, all Basic Flex Resistors pin 1)
2.2 inch Basic Flex Resistor
- Pin 1 connected to GND net
- Pin 2 connected to Arduino UNO Analog Pins (A0, A1, A2, A3)
I2C module
- SCL connected to Arduino UNO A5
- SDA connected to Arduino UNO A4
- VCC connected to 5V net (Arduino UNO 5V, all 10k Ohm Resistors pin 2)
- GND connected to GND net
Resistor (10k Ohm)
- Pin 1 connected to Arduino UNO Analog Pins (A0, A1, A2, A3)
- Pin 2 connected to 5V net
LCD Display 16x2
- Wiring not specified in the net list.
Arduino UNO
- A0 connected to 10k Ohm Resistor pin 1 and Basic Flex Resistor Pin 2
- A1 connected to 10k Ohm Resistor pin 1 and Basic Flex Resistor Pin 2
- A2 connected to 10k Ohm Resistor pin 1 and Basic Flex Resistor Pin 2
- A3 connected to 10k Ohm Resistor pin 1 and Basic Flex Resistor Pin 2
- A4 connected to I2C module SDA
- A5 connected to I2C module SCL
- 5V connected to 5V net
- GND connected to GND net
- Vin connected to Battery 9V VCC
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 is a template and does not include specific functionality. It should be populated with the setup and loop code required for the intended operation of the circuit.