SPI vs I2C; which is best? - Project Guidance - Arduino Forum
Nov 19, 2011 · I want to have the Arduino Uno monitoring a number of different digital sensors that use either I2C or SPI. With some sensors I am stuck with whatever is available, with other …
I2C vs SPI: What do you pick, and why? - Arduino Forum
Jun 19, 2014 · Hi All, So I've done my fair share of research on the pros and cons of using I2C vs SPI, but I want to know what other Arduino users use each for, and why. To my …
UART vs SPI vs I2C - Displays - Arduino Forum
Sep 27, 2014 · Use SPI, forget the rest. You don't even have to read the rest of this post . 2 ) I2C, it is slower but can be easier in use. Only 2 pins are needed, and it is easier to interface a 5V …
i2c Vs SPI LCD connection - Interfacing - Arduino Forum
Mar 12, 2010 · Needs minimum number of wires per device on the bus; SPI needs an enable line per device. I2C is faster (well, at least from what I've read) than SPI. I2C is addressable …
SPI vs I2C external EEPROM - Storage - Arduino Forum
Apr 14, 2013 · Since I keep running out of RAM memory, I'm thinking about adding an external EEPROM mostly to store variable data. Can someone give me guidance on the pros and cons …
SPI and I2C long distance? - General Electronics - Arduino Forum
Feb 21, 2021 · Hello i was wondering for SPI and I2C how far can i run a sensor without having some problems with it? I been searching online and getting some mix results online on how far …
SPI vs I2C display interface - Displays - Arduino Forum
May 24, 2018 · I2C - default speed 100Khz, 'high' speed 400Khz, newer devices support 1Mhz and 3.4Mhz SPI - no default speed, typical devices support at least 4Mhz and up to 100Mhz. …
SPI and I2C - Interfacing - Arduino Forum
Sep 5, 2010 · Hello I have read multiple posts on SPI and I2C however have a few questions which I hope someone can answer. If I have stated anything incorrectly, can someone please …
I2C vs SPI Sensor Read Speed - Arduino Forum
Mar 7, 2014 · Functionality over both I2C and SPI is confirmed, I can read/write data no problem. I ran a simple test to evaluate the speed I could read all 3 axes from both sensors at (12 total …
SPI v.s. I2C: What is the difference in 1way communication?
Sep 16, 2022 · flow control in SPI requires one pin per card. If you have 5 SPI cards you tie up 5 pins. That is really addressing / device selection. Flow control is when the receiver tells the …