thanks runie I have an external crystal so that won't be a problem but can i reprogram the flash (not the fuse bits ) without using external crystal?since i have set the fused bits to external crystal from where will it get the clock to reprogram flash?
iam using atmega 32 and i want to use external 16MHZ crystal I have figured out the fuse setting for this as lowbuyte=0xFF and highbyte=0Xc9
what i cannot understand is should i set fuse bits before programming or after programming? because as i have specified external crystal as clock source...
source of voltage is autotransformer and i want to implement an automatic electronic tap changer therefore i need to measure its output voltage(which can go to 300v) to automatically change the taps of transformer to regulate the voltage
I want to measure ac voltage raging from 60v to 300v using microcontroller i have figured everything else out except how can i use 220v transformer(to step down the voltage to measure) when input is 300v one solution is to use simple resistors based potential divider to attenuate 300v to 220v...
we r making a security system which involves face detection tracking of intruder CAN to point out the point of intrusion on GUI and sending message through gsm these r the features of our project but we cannot understand what title should it have to explain it completely in few words?
now when i roll the pins the max232 is giving incerted output by using not gate iam getting correct signal any idea why max232 is giving inverted output
iam making a project of serial communication between computer and controller the problem is:- db9 female port is connected to computer and male port is there to connect with max232 now in all circuits i have seen they have written that pin 2 is RTX or receiving pin whereas when i send signal...
so i went to buy a laptop chrger with rating 19.2v and 3.2A but he gave me a charger with rating 19.2v and 4.2A and said the current rating is not important why is that?