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Petr's user avatar
Petr's user avatar
Petr
  • Member for 10 years, 3 months
  • Last seen more than a month ago
27 votes
10 answers
5k views

How can you achieve decent clock accuracy in microcontrollers (e.g., max 1 second drift in a year)? How do digital watch manufacturers accomplish it?

2 votes
2 answers
3k views

Voltage regulator - unexpected voltage drop, is this normal?

2 votes
0 answers
460 views

How to properly calculate amps from home consumption metering system like Shelly EM?

2 votes
4 answers
570 views

What happens when voltage divider output exceeds acceptable voltage of microcontroller ADC? Can it destroy it?

1 vote
3 answers
183 views

What is a common good connector for wire that carries ~20A that doesn't generate heat?

1 vote
0 answers
200 views

Is it possible to fully charge a 12V lead-acid traction battery using a car battery charger?

1 vote
1 answer
117 views

Can you damage LCD backlight when you frequently turn it off and on?

1 vote
1 answer
336 views

How does balancing via resistors work? Why isn't it needed inside of batteries?

0 votes
2 answers
814 views

How to filter EMI noise from DC motor between LCD and microcontroller?

0 votes
1 answer
94 views

Why would the output value of a voltage divider increase when the source voltage decreases?

0 votes
2 answers
1k views

How to control secondary circuit using TTL