All Questions
Tagged with arduino-pro-mini arduino-nano
10 questions
-1
votes
1
answer
60
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Arduino connect programatically two wires of external 3.3V device
What is a missing puzzle in here, relay, transistor?
I would like to pull pin of external device to the ground programatically using arduino's digital pin.
- 1
1
vote
0
answers
474
views
Analog Comparator works on Nano, but not working on Pro Mini 3.3v
I've coded an analog comparator to work on Nano, but the same code does not work on a brand new Pro Mini 3.3v 8MHz. The serial monitor just outputs the triggered interrupt continuously. Lines orange ...
- 61
1
vote
0
answers
71
views
Arduino AT Cmd Not Working
We are Using I-CUBE-LRWA Lora Module AT Cmd with Arduino ProMini
Set of commands set with DockLight working Perfectly but with Arduino, we are getting some coded response and well every time RXTimeout ...
- 11
2
votes
0
answers
137
views
Can't reprogram Arduino on protoboard (perfboard), but could program the same circuit on breadboard
So I have a circuit that works well when it's on a breadboard and without removing any pins I'm able to upload sketches, but for some reason when I transition it to a protoboard I can no longer upload ...
- 125
0
votes
2
answers
2k
views
Controlling multiple fans using arduino uno
I'm kind of new on the field of Arduino. Although I have a question concerning multiple fan connection on 1 arduino PWM pin. The goal is to connect around 8 to 16 fans on 1 arduino pwm header pin and ...
- 1
0
votes
1
answer
275
views
Auto Fish Feeder
Good day, I am new to Arduino, but have made some nice projects work.
I have a n issue with a Auto fish feeder. I have used a servo that I modified to run 360. I am having a issue when the Nano board ...
- 1
0
votes
1
answer
466
views
Arduino for kids toy with Battery (safe), Can Arduino overheat the Battery with long running code [closed]
I am making a learning toy which kids can play with and learn basics of programming. But i am tired of keep replacing the AA batteries as they run out in few days. So i am thinking of using ...
- 137
0
votes
1
answer
8k
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Can I use Arduino Nano V3 to program another arduino (Pro Mini)?
I was planning to buy serial to USB converter (FT232RL) to be able to program Arduino Pro Mini.
But the shop nearby offers Arduino Nano V3 at almost the same price.
Could I use this Arduino instead (...
- 103
4
votes
1
answer
601
views
Arduino stopwatch, which board to use?
I am planning on making a simple stopwatch with:
A display
One or two additional buttons to start the stopwatch and stop the stopwatch and
maybe reset it.
The problem is that it has to be as small as ...
34
votes
14
answers
58k
views
Most compact method of powering Arduino from wall socket
There are a lot of methods to power an Arduino from a large range of voltages:
USB cable from PC or from a phone charger or an USB hub
step down converters
step up converters
switching power supply
...
- 749