All Questions
Tagged with arduino-leonardo arduino-uno
7 questions
67
votes
2
answers
228k
views
How do you use SPI on an Arduino?
With reference to the Arduino Uno, Mega2560, Leonardo and similar boards:
How does SPI work?
How fast is SPI?
How do I connect between a master and a slave?
How do I make an SPI slave?
Please note: ...
- 38.7k
0
votes
1
answer
133
views
How to connect accelerometer, GPS, microphone and a GSM module to a Arduino? [closed]
I am a noob in the Arduino world and have only started reading about it. I have zero experience with Arduino some suggestions to increase my level will also be highly appreciated. But I have a lot of ...
- 11
22
votes
2
answers
28k
views
Why do some pins have a different PWM frequency?
According to the Arduino reference for analogWrite(), the PWM frequency on most pins is ~490 Hz. However, it's ~980 Hz for pins 5 and 6 on the Uno, and for pins 3 and 11 on the Leonardo.
Why are ...
- 11k
6
votes
2
answers
11k
views
A question about resistance measurement with arduino
Lately I was asking myself about the possibility of measuring a potentiometer resistance with Arduino.
My questions are:
Is it possible?
If it's possible, what kind of restriction does the Arduino ...
- 61
2
votes
2
answers
15k
views
Disabling i2c internal pull up resistors
How do you do this? I've been digging around and I can see that I should do this and supply my own external pull up resistors but I don't know exactly how to disable them. The pages I've been reading ...
- 121
1
vote
1
answer
71
views
How to get started? [closed]
I'm a guy who loves the tech world, but more in particular the Robotic one.
I wanna start developing/making my first creations of robots or sort of.
I won a little board from Texas Instrument from the ...
- 129
0
votes
2
answers
85
views
Keyboardmessage on Arduino UNO
Can an Arduino UNO and Arduino Leonardo do the same things?
Some of the examples in the Arduino software say to use Leonardo e.g. KeyboardMessage.
- 11