LCD Working

LCD Problem

• LCD was not turning on
• Arduino on light was dimming off when connected to power

Fixing Issue

• Unplugged wires LCD module wires from arduino and breadboard

• Found out that I switched VDD and VSS pins (5V and GND)

• I tried to put the module back, but when connected to power module heated up

• Put the module in the write position

• added resistor for Anode

Text

• Learned about lcd.setCursor()

• Learned about how cursor and clear works

• learned about character, row and column

• Made text sync with the light, so when says 3, red light, 2 yellow light, one yellow light, go green light

Need to improve

• Put a real timer??
• Put button on breadboard

LCD Setup

LCD

• Created the wiring for the module
• Might have messed something up
• Overall, wiring was messy but it kinda worked

Code

• Made variables for each I/O pins
• Added LCD to the setup part
• Lights still work

Day 1 of Race Countdown Game

This is my first hardware project

LEDs

• LED starts as a countdown, so each light represents a number counting down from 3
• Example: red represents 3, yellow, represents 2…

Connected the LEDs to the breadboard and used 220 ohm resistors. Then I connected the breadboard jumper wires to the I/O pins.

The Ultrasonic

My idea is that a person will start the game and there will be a countdown. This game will be a reaction game. The person will put their car behind the ultrasonic sensor.
If the person launches the car after the green, they win, but if they do it to early, they lose.

Display Module

• Shows 3, 2, 1
• Shows you lost or won
• the shows your reaction time

Need to create more code to use display and sensor