Ryan Detzel's user avatar
Ryan Detzel's user avatar
Ryan Detzel's user avatar
Ryan Detzel
  • Member for 7 years, 11 months
  • Last seen more than a month ago
19 votes
1 answer
9k views

Why do smoke detectors run off 9v batteries?

11 votes
4 answers
3k views

Microcontroller shutting off because of brief loss of power, can a capacitor fix this?

6 votes
3 answers
4k views

Should I step-up or step-down the voltage if I have the option?

6 votes
3 answers
687 views

How can I keep a momentary button low long enough for microcontroller to read it?

5 votes
2 answers
621 views

Why use an external resonator with an ATmega microcontroller if it has one built in? [duplicate]

5 votes
2 answers
3k views

What's the easiest way to solder TSSOP parts?

3 votes
4 answers
2k views

Can I use resistors/capacitors to delay when a circuit turns on?

2 votes
3 answers
562 views

Controlling 13 outputs with a mcp23017 or 74hc595 and two uln2003?

2 votes
5 answers
1k views

Best way to get 256 io pins?

2 votes
1 answer
146 views

How do battery powered thermostats with LCD screens run for so long?

2 votes
4 answers
3k views

Why can't the atmega328p accept 5 and 3.3v signals at the same time?

1 vote
2 answers
2k views

Best way to regulate 9/12v down to 5v and 3.3v

1 vote
1 answer
56 views

Is it better to make multiple small i2c requests or one larger one?

1 vote
2 answers
1k views

Measure speed of slot car

0 votes
2 answers
64 views

Identifying multipleDC trains on the same track?

0 votes
4 answers
1k views

Am I reading my multimeter correctly?

0 votes
2 answers
1k views

How to stop my motor from resetting my microcontroller?

0 votes
1 answer
277 views

What do the 47k resistors and 10k resistors do in this circuit?

0 votes
2 answers
42 views

What's the max current of a power adapter that's rated at 24V Max 7W if I regulate it down to 3.3v?

0 votes
1 answer
122 views

Using a delay circuit to keep track of button presses

0 votes
1 answer
115 views

Options for powering 5 V from 24 V AC relay switch

0 votes
1 answer
65 views

Weird level shifting issue only when connected to IC chip

0 votes
0 answers
601 views

Convert momentary button to toggle switch?

0 votes
1 answer
87 views

Would the low voltage of lithium ion batteries in series be just the number in series times the cutoff voltage for a single battery?