Circuit Documentation
Summary
This circuit involves an Arduino UNO microcontroller interfacing with various components including pushbuttons, LEDs, an I2C LCD, and a BH1750 light sensor. The circuit is designed to demonstrate basic input and output operations, as well as I2C communication.
Component List
Pushbutton
- Description: A simple pushbutton used for user input.
- Pins: Pin 1 (in), Pin 2 (in), Pin 3 (out), Pin 4 (out)
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
16x2 I2C LCD
- Description: A 16x2 character LCD display with I2C interface.
- Pins: GND, VCC, SDA, SCL
BH1750
- Description: A digital light sensor with I2C interface.
- Pins: VCC, GND, SCL, SDA, ADDR
LED: Two Pin (red)
- Description: A red LED with two pins.
- Pins: cathode, anode
LED: Two Pin (white)
- Description: A white LED with two pins.
- Pins: cathode, anode
Wiring Details
Pushbutton
- Pin 2 (in) connected to Arduino UNO D4
- Pin 4 (out) connected to GND
Arduino UNO
- D2 connected to anode of both red LEDs
- D3 connected to anode of both white LEDs
- D4 connected to Pin 2 (in) of Pushbutton
- A4 connected to SDA of BH1750 and 16x2 I2C LCD
- A5 connected to SCL of BH1750 and 16x2 I2C LCD
- 5V connected to VCC of BH1750 and 16x2 I2C LCD
- GND connected to cathode of both white LEDs, cathode of both red LEDs, Pin 4 (out) of Pushbutton, GND of BH1750, and GND of 16x2 I2C LCD
16x2 I2C LCD
- GND connected to GND
- VCC connected to 5V
- SDA connected to A4
- SCL connected to A5
BH1750
- VCC connected to 5V
- GND connected to GND
- SDA connected to A4
- SCL connected to A5
LED: Two Pin (red)
- anode connected to D2
- cathode connected to GND
LED: Two Pin (white)
- anode connected to D3
- cathode connected to GND
Documented Code
Arduino UNO Code (sketch.ino)
void setup() {
}
void loop() {
}
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.