Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes an Arduino UNO microcontroller, several resistors, LEDs, an ultrasonic sensor, an IR sensor, and a photocell (LDR). The circuit is designed to interface these components with the Arduino UNO for various sensing and output functionalities.
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
Resistor (220 Ohms)
- Description: A resistor with a resistance of 220 Ohms.
- Pins: pin1, pin2
Resistor (10k Ohms)
- Description: A resistor with a resistance of 10k Ohms.
- Pins: pin1, pin2
HC-SR04 Ultrasonic Sensor
- Description: An ultrasonic sensor used for distance measurement.
- Pins: VCC, TRIG, ECHO, GND
IR Sensor
- Description: An infrared sensor used for object detection.
- Pins: out, gnd, vcc
Photocell (LDR)
- Description: A light-dependent resistor used for light sensing.
- Pins: pin 0, pin 1
LED: Two Pin (white)
- Description: A white LED with two pins.
- Pins: cathode, anode
LED: Two Pin (yellow)
- Description: A yellow LED with two pins.
- Pins: cathode, anode
Wiring Details
Arduino UNO
5V is connected to:
- Photocell (LDR) pin 1
- HC-SR04 Ultrasonic Sensor VCC
- IR Sensor vcc
A0 is connected to:
- Photocell (LDR) pin 0
- Resistor (10k Ohms) pin1
GND is connected to:
- LED: Two Pin (white) cathode
- LED: Two Pin (yellow) cathode
- LED: Two Pin (white) cathode
- Resistor (10k Ohms) pin2
- HC-SR04 Ultrasonic Sensor GND
- IR Sensor gnd
D9 is connected to:
D10 is connected to:
D11 is connected to:
D8 is connected to:
- HC-SR04 Ultrasonic Sensor ECHO
D7 is connected to:
- HC-SR04 Ultrasonic Sensor TRIG
D2 is connected to:
Resistor (220 Ohms)
pin1 is connected to:
- Arduino UNO D9
- Arduino UNO D10
pin2 is connected to:
- LED: Two Pin (white) anode
- LED: Two Pin (yellow) anode
- LED: Two Pin (white) anode
Resistor (10k Ohms)
pin1 is connected to:
- Photocell (LDR) pin 0
- Arduino UNO A0
pin2 is connected to:
- LED: Two Pin (white) cathode
- LED: Two Pin (yellow) cathode
- LED: Two Pin (white) cathode
- HC-SR04 Ultrasonic Sensor GND
- IR Sensor gnd
- Arduino UNO GND
HC-SR04 Ultrasonic Sensor
VCC is connected to:
TRIG is connected to:
ECHO is connected to:
GND is connected to:
IR Sensor
vcc is connected to:
gnd is connected to:
out is connected to:
Photocell (LDR)
pin 0 is connected to:
- Resistor (10k Ohms) pin1
- Arduino UNO A0
pin 1 is connected to:
LED: Two Pin (white)
cathode is connected to:
anode is connected to:
LED: Two Pin (yellow)
cathode is connected to:
anode is connected to:
Documented Code
Arduino UNO Code
void setup() {
}
void loop() {
}
This code is a basic template for the Arduino UNO, with empty setup
and loop
functions. The setup
function runs once when the microcontroller is powered on or reset, and the loop
function runs continuously after the setup
function has completed.