1. Explanation of the Traffic Lights
3. Hardware Specification
4. Software code - Using IAR Compiler
5. Block Diagram
6. Bill of Materials
7. Closing Remark
① Crosswalk lights : Red LED, Green LED
Load lights : Red LED, Yellow LED, Green LED
② Order of the lights
; Crosswalk Red, Load Green ➡ Load Yellow ➡ Crosswalk Green, Load Red
③ LCD is located beside the Crosswalk lights.
Able to cross : 'Crosswalk Timer!' (Display on LCD first line)
'Allowed Time : Numbers' (Display on LCD Second line)
④ The Numbers decrease from 9 to 0, and when it is 0, the Crosswalk lights become Red and Load
lights become Green.
Not able to cross : 'Please Stop Wait' (Display on LCD second line)
⑤ Keep the Crosswalk lights being Red and the Load lights being Green using external interrupt
which controls Night mode. (state=1)
⑥ LCD : 'Night Mode!!' (Display on LCD second line), LCD first line is the same as before.
LCD first and second lines flicker per second. (Using timer0 1 mode)
⑦ It becomes Normal mode when RESET is in. (state=0)