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Courses
Microprocessor
AES
5. Keypad 4x4
Introduction
Introduction
Mark as done
Keypad layout
Keypad connections
CCS C Compiler: Keypad driver
Example
(30 minutes)
Keypad layout
A keypad 4x4, consists of:
4 columns
4 rows
16 keys
source 1
Keypad connections
Previous activity
Overview
Next activity
Activity 1. Keypad 4x4 and LEDs
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Announcements
Course pre-test
Tutorial (pdf)
Proteus Design Suite video
Pins as outputs: Evaluation (pre-test)
Overview
Introduction
Activity 1. Turn ON/OFF four LEDs
Activity 2. Turn ON/OFF LEDs every 500 ms
Activity 3. Rotate the value of PORTB
Activity 4. Create a moving dot with LEDs
Open project
Open project submission
Pins as outputs: Evaluation (post-test)
Download in pdf the "Pins_as_outputs" content
Pins as inputs: Evaluation (pre-test)
Overview
Introduction
Activity 1. Read a binary word from PORTD
Activity 2. LEDs on PORTB turn ON and OFF in accordance with a program selected with the switches connected on PORTD
Activity 3. Read the value of a specific pin of an input parallel port
Activity 4. Counter of the 1s of input PORTD
Open project
Open project submission
Pins as inputs: Evaluation (post-test)
Download in pdf the "Pins_as_inputs" content
External interrupts: Evaluation (pre-test)
Overview
Introduction
Activity 1. Flash a LED
Activity 2. Create a moving dot
Activity 3. RB4~RB7 on change interrupt
Activity 4. Simple alarm system
Open project
Open project submission
External interrupts: Evaluation (post-test)
Download in pdf the "External interrupts" content
LCD 16x2: Evaluation (pre-test)
Overview
Introduction
Activity 1. Display a message
Activity 2. Counting the 1s of PORTD
Activity 3. Simple home alarm system
Open project
Open project submission
LCD 16x2: Evaluation (post-test)
Download in pdf the "LCD 16x2" content
Keypad 4x4: Evaluation (pre-test)
Overview
Activity 1. Keypad 4x4 and LEDs
Activity 2. Keypad 4x4 and LCD 16x2
Activity 3. Simple calculator
Open project
Open project submission
Keypad 4x4: Evaluation (post-test)
Download in pdf the "Keypad 4x4" content
Communication-ADC: Evaluation (pre-test)
Overview
Introduction
Activity 1. Serial and LEDs
Activity 2. Analog to Digital Converter
Activity 3. Thermometer (TMP36)
Open projects
Open projects submission
Communication-ADC: Evaluation (post-test)
Download in pdf the "Communication - ADC" content
Push-button: Evaluation (pre-test)
Overview
Introduction
Activity 1. Increase a counter using push-button
Activity 2. Reading a push-button toggle
Activity 3. Reading a Push Button with function
Open project
Open projects submission
Push-button: Evaluation (post-test)
Download in pdf the "Push-button" content
Timer0: Evaluation (pre-test)
Overview
Introduction
Activity 1. Interrupt every 10ms
Activity 2. Delay function using Timer0
Open project
Open projects submission
Timer0: Evaluation (post-test)
Download in pdf the "Timer0" content
SevenSegmentDisplay: Evaluation (pre-test)
Overview
Introduction
Activity 1. Three seven segment displays
Activity 2. Input binary number – output to seven segment displays
Activity 3. Real time clock
Open project
Open projects submission
SevenSegmentDisplay: Evaluation (post-test)
Download in pdf the "SevenSegmentDisplay" content
Course post-test
Attitudes Towards Thinking and Learning
Σύντομος οδηγός προγραμμάτων
extra
Χρήσιμα αρχεία
Άσκηση 1 - Outputs - Υλικό
Άσκηση 2 - Inputs - Υλικό
Άσκηση 3 - push button - Υλικό
Άσκηση 4 - INT - Υλικό
Άσκηση 5 - RB - Υλικό
Άσκηση 6 - Timer0 - Υλικό
Άσκηση 7 - SevenSegment - Υλικό
Άσκηση 8 - LCD16x2 - Υλικό
