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Topic: 4 Digit Seven Segment Display Countdown Timer - Minutes to (Read 26959 times) previous topic - next topic

CrossRoads

Be sure to make all time related variables unsigned long data type.
Designing & building electrical circuits for over 25 years.  Screw Shield for Mega/Due/Uno,  Bobuino with ATMega1284P, & other '328P & '1284P creations & offerings at  my website.

nightcrawler218

I am a newbie in Arduino. I have a very little experience with the Atmega8 though. I want to know, Can I burn an Atmega8 via the UNO board & plug out the microcontroller & use it in a personalised PCB for a specific project..?

Kindly help.
"Imagination is more important than knowledge."
-Einstein

CrossRoads

I believe so, isn't Atmega8 used in one of the older board types in the IDE?
Designing & building electrical circuits for over 25 years.  Screw Shield for Mega/Due/Uno,  Bobuino with ATMega1284P, & other '328P & '1284P creations & offerings at  my website.

andrew_bluefire

hi...it's my first post...i need to build a similar project and i don't opened another post...

i would use a rotary encoder and catalex display; it's a 7 segments 4 digits display with 1637 controller..but I cannot seem to adjust my display with the sketch that I have ... the project uses an active buzzer and led. I want to make a timer with selectable time encoder and when the time is up, the led for 5 seconds ... I can post the sketch? thanks

andrew_bluefire

i found this: http://www.noveldevices.co.uk/ar-project-timer but i need to use catalex display...can anyone help me?

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