I found out my problem. My problem isn't the boards. The problem is the USB cable that circles around the IMU.
It's always the most simple problems that puts me off balance. Probably because I...
Type: Posts; User: Neel
I found out my problem. My problem isn't the boards. The problem is the USB cable that circles around the IMU.
It's always the most simple problems that puts me off balance. Probably because I...
Hello Everyone!
I have a question on the correct placement of the Adafruit 10-DOF IMU Breakout - L3GD20H + LSM303 + BMP180.
I have created a circuit board with a couple of Breakout boards...
I feel like a total idiot! :D I found out my mistake:
if (SD.begin())
{
Serial.println("SD card is ready to use.");
} else
{
Serial.println("SD card initialization...
Update: I have added pull-ups on every CS to 3.3V. 3k for the pres sensors and 10k for the SD card. The same problem is still present. However, now when the SD card is not inserted no data is...
After some testing, I decided to print out the binary values and found that once the SD card is removed the sensors goes into "command mode". That is for example: 0100111111111110. The 2 first values...
That's a good question. I will check the bytes and if they look fine then it has to be a scaling issue.
Yeah, the SD works perfectly fine alone. Wiring is as follows:
SPI0:
SCK - Pin 13
MOSI - Pin 11
MISO - Pin 12
CS_SD - Pin 10 (External SD card)
SPI1:
SCK1 - Pin 27
Basically, what I don’t understand is, how can and why do the 2 SPI busses interfere with each other? I thought they were independent of each other.
Hi Michael, thanks for the reply. I read this already and from my understanding this only applies if its from the same SPI bus. However, I have separated the SD with my pressure sensors therefore...
Hello everyone, I got the sensors and connected to the teensy with 2 HSC (pressure sensors) and 1 SD. Both of the HSC sensors worked well together, however, with the addition of the SD card, it...
PaulStoffregen, Thank you so much! That makes a lot of sense!
Hello PaulStoffregen, Thank you! I have resistors, but I want to try and use as little parts as possible. I will try both methods and then decide later.
Thank you so much KurtE. I thought it depended on the Teensy but I understood now. I took a look at the data sheet of the pressure sensors. They don't have a pull-up but recommended min 1k....
Hi everyone! I'm new to the forum and teensy/arduino. I have a general question on how I can connect multiple SPI devices, would this work?
Teensy 4.1
SCK - Pin 13
MOSI - Pin 11
MISO -...