All Questions
4
questions
1
vote
1
answer
63
views
External 5V sensors separate 5V regulator , Poly fuse or both?
I'm producing an Arduino project that has two 5V inductive proximity sensors placed outside the project box.
The project is powered by a Meanwell 12V power supply then to a Murata 5V DC-DC converter ...
- 95
1
vote
1
answer
223
views
Fluctuations in 7805 Regulator IC Output
I built an Arduino using ATmega328 on perfboard. To power it, I used an 8V adopter with a 7805 IC. But the ATmega328 IC started to reset randomly. After some efforts I figured out that the problem was ...
- 612
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). ...
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0
votes
2
answers
1k
views
Power supply fluctuations. Bypass capacitor needed?
I am powering up a 5V device using a 12v DC 1A SMPS power supply. The 12V supply is connected to the 5V device through a 7805 voltage regulator. The device draws about 30mA when idle, but when it ...
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