Ryan Detzel's user avatar
Ryan Detzel's user avatar
Ryan Detzel's user avatar
Ryan Detzel
  • Member for 8 years, 1 month
  • Last seen more than a week ago
19 votes
1 answer
9k views

Why do smoke detectors run off 9v batteries?

6 votes
3 answers
4k views

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

5 votes
2 answers
3k views

What's the easiest way to solder TSSOP parts?

11 votes
4 answers
3k views

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

2 votes
4 answers
3k views

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

3 votes
4 answers
2k views

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

1 vote
2 answers
2k views

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

0 votes
2 answers
2k views

How to stop my motor from resetting my microcontroller?

0 votes
4 answers
1k views

Am I reading my multimeter correctly?

1 vote
2 answers
1k views

Measure speed of slot car

2 votes
5 answers
1k views

Best way to get 256 io pins?

6 votes
3 answers
697 views

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

5 votes
2 answers
633 views

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

0 votes
0 answers
622 views

Convert momentary button to toggle switch?

2 votes
3 answers
576 views

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

0 votes
1 answer
292 views

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

2 votes
1 answer
282 views

What kind of external components would be required to use a MEAN WELL IRM-03-3.3 power supply?

2 votes
1 answer
147 views

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

0 votes
1 answer
125 views

Options for powering 5 V from 24 V AC relay switch

0 votes
1 answer
123 views

Using a delay circuit to keep track of button presses

0 votes
1 answer
92 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 votes
1 answer
68 views

Weird level shifting issue only when connected to IC chip

0 votes
2 answers
64 views

Identifying multipleDC trains on the same track?

1 vote
1 answer
60 views

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

0 votes
2 answers
43 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?