Ryan Detzel
  • Member for 7 years, 1 month
  • Last seen more than a week ago
1 answers
18 votes
9k views
2 bookmarks
Why do smoke detectors run off 9v batteries?
4 answers
11 votes
3k views
5 bookmarks
Microcontroller shutting off because of brief loss of power, can a capacitor fix this?
3 answers
6 votes
668 views
How can I keep a momentary button low long enough for microcontroller to read it?
3 answers
6 votes
3k views
3 bookmarks
Should I step-up or step-down the voltage if I have the option?
2 answers
5 votes
597 views
Why use an external resonator with an ATmega microcontroller if it has one built in?
2 answers
5 votes
3k views
2 bookmarks
What's the easiest way to solder TSSOP parts?
4 answers
3 votes
2k views
1 bookmarks
Can I use resistors/capacitors to delay when a circuit turns on?
3 answers
2 votes
504 views
Controlling 13 outputs with a mcp23017 or 74hc595 and two uln2003?
4 answers
2 votes
3k views
Why can't the atmega328p accept 5 and 3.3v signals at the same time?
1 answers
2 votes
142 views
How do battery powered thermostats with LCD screens run for so long?
5 answers
2 votes
1k views
Best way to get 256 io pins?
1 answers
1 votes
50 views
Is it better to make multiple small i2c requests or one larger one?
2 answers
1 votes
2k views
Best way to regulate 9/12v down to 5v and 3.3v
2 answers
1 votes
1k views
Measure speed of slot car
1 answers
0 votes
35 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?
0 answers
0 votes
491 views
Convert momentary button to toggle switch?
1 answers
0 votes
59 views
Weird level shifting issue only when connected to IC chip
1 answers
0 votes
95 views
Options for powering 5 V from 24 V AC relay switch
2 answers
0 votes
40 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?
1 answers
0 votes
200 views
What do the 47k resistors and 10k resistors do in this circuit?
1 answers
0 votes
117 views
Using a delay circuit to keep track of button presses
4 answers
0 votes
1k views
Am I reading my multimeter correctly?
2 answers
0 votes
1k views
How to stop my motor from resetting my microcontroller?
2 answers
0 votes
62 views
Identifying multipleDC trains on the same track?