I currently do a project on gas detection using MQ135 and Atmega16. I am having trouble when working through the sensor MQ135 with Atmega16. As a matter of fact the LCD only shows 0 MMP so I guess the problem either in the way of setting the output of MQ135 to Atmega16 or my code on...
I am working on Smart parking project.
Here is my schematic.
I sent this to my professor and he said it is not right, i am not sure why. Also he said if i connect this to power source it will burn the source.
I am new at this so i really need help.
What am i doin wrong?
Project concept
In this mini project, we have to develop a digital attendance system for a class. A teacher will hand over a device to the students of his/her class. Students, one by one, will enter their IDs. One student will enter his/her ID after pressing a “Start” button. After entering...
hi everyone , i have a problems about interuption in AVR atmega, i trying to solve a problems is
Turn led with two buttons
bt1 in pd2 (int0)
bt2 in pd3 (int1)
LED must be Eteine if it exceeds 20s staying on, for that you need to configure a temp basis interupption for each 1s and realize a...