Linked Questions

2 votes
1 answer
7k views

multiple UARTs on the 40-pin

i am trying to connect two devices via UART to a raspberry 4. one being a stepper driver (i dont need much throughput), one being an image sensor (the higher the baud rate is i can get, the better). ...
rmalchow's user avatar
  • 191
3 votes
3 answers
4k views

How can Rpi connect a GPS module?

I've tried reconnecting an old GPS module to the UART pins on my raspberry pi, but it seems it's not able to get a satellite fix. I've had troubles trying to get gpsd started, but I'm able to test ...
Rob's user avatar
  • 31
3 votes
2 answers
7k views

Rpi to Arduino Serial UART Communication Tutorial

I'm trying to connect my Arduino to my Raspberry Pi using the GPIO pins. I understand that the Pi uses a 3.3V signal while the Arduino uses a 5V signal so I bought a bi-directional logic level ...
soapergem's user avatar
  • 139
3 votes
1 answer
6k views

Rpi3 LIRC Library and UART IR Transceiver Setup Problem

I installed the lirc library and I tried to use it, I need this for a project sudo mode2 -d/dev/lirc0 Using driver default on device /dev/lirc0 Trying device: /dev/lirc0 Please use the --raw option ...
Teofil Sandu's user avatar
0 votes
1 answer
2k views

Rpi Python interfacing RS232 to RS422/485 Converter Problem

I am working with a project where I need to read data from my device(i.e ADAM 4520)using serial to USB converter. 1st, I tested with my PC using hyper terminal and with Raspberry Pi 3 using GtkTerm, ...
ram's user avatar
  • 69
1 vote
1 answer
1k views

How to write a C++ wireless communication to control my raspberry pi over network

I have a raspberry pi and I want to convert it into a RC car which I will control through my PC. I know C++ programming and I intend to use that to write the software stack. I want to create a C++ ...
ghost's user avatar
  • 21
-1 votes
1 answer
869 views

How to send variable data from RPi to Arduino Mega

I am sending one integer variable from rpi to arduino. However, it is showing an error. Everything else is correct and here is the code which sends the data:- from pubnub.pnconfiguration import ...
suu's user avatar
  • 37
2 votes
2 answers
366 views

Serial (RS232) Controled Projector

I have a raspberry pi zero W and a NEC PA500U projector, and am attempting to set up a semi-permanent slideshow installation. My main sticking point right now is getting the pi to communicate with the ...
Caleb West's user avatar
0 votes
0 answers
567 views

How can Rpi python read SPI ADNS3080 Optical Mouse Sensor's register values?

I am using ADNS3080 optical flow in raspberry pi 3. I set SPI connection between raspberry and ADNS3080 optical flow. I used spidev library for reading values in python. I want to read delta_x and ...
erenpostaci's user avatar
0 votes
0 answers
560 views

Raspberry Pi 3B+ successfully connect and pair but can't receive data from OBD II

Hello guys my problem is i cant recieve any data from OBD II to Raspberry Pi 3B+ Here the materials that i use: Raspberry pi 3B+ ELM327 -> OBD II Operating System of Raspberry Pi -> https://medium....
Erika Salvador's user avatar
0 votes
0 answers
250 views

how to enable ttyAMA0 on raspberrypi 4 and how to make it to communicate with pixhawk?

I am trying to make communication between raspberrypi4 and pixhawk board to control the drone using dronekit library and to get telemetry info. I have used pin 14 and 15 for serial communication. But ...
Kavyashree T's user avatar
1 vote
0 answers
194 views

Communicating with TPI synthesizer using pyserial

I have a raspberry pi 3b+, and I am trying to communicated with a TPI synthesizer model 1001-B. I want to use Python and specifically the pyserial module to communicate with a serial port - i.e. the ...
RobyMann's user avatar
1 vote
1 answer
78 views

How to supply multiple servo motor and dc motor while using gsm module?

I've started rc plane but with internet connection instead of regular radio. My plan is using Ai-thinker A6 gsm module so I can use it as live stream camera and control servo together with blynk. ...
RxGianYagami's user avatar