All Questions
Tagged with 7805 atmega328p
3
questions
1
vote
2
answers
201
views
Can I use any digital component to avoid 7805 killing my microcontroller directly when its ground is disconnected (hence 12v goes to uC directly)?
My idea is to have an intermediate cheap component that will blow-up before my uC if the voltage goes above 5v from 7805 (or even some fuse, but I am not sure if a fuse will blow-up with over-voltage ...
- 17
1
vote
1
answer
613
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Atmega328P - PU Not Working Properly (Instability, goes to sleep mode after some usage)
I have successfully designed & tested a circuit using arduino uno for controlling a dc motor (MAX 50A,12V,SHORT-DUTY) By using a relay module and current sensor (configuration given in schematic). ...
- 113
0
votes
1
answer
313
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Battery voltage drops when connected to PCB
I have a circuit containing an atmega328p microcontroller with hc-05 bluetooth module. microcontroller is powered via 7805 regulator. When 7805 is supplied the source voltage by a 9V battery, the ...
