raspberry pi

  1. G

    Nonsense data from rotary encoder on RPi 4b

    I have just purchased a Taiss rotary encoder (E38S6-600-24G) to use on a Pi 4b project running the latest Bookworm OS. It's a 4 wire system with red and black for the power and white for the A phase and green for the B phase. I've attempted to connect it up by using what I could google on...
  2. T

    Implement speech-to-text using arduino uno(or any microprocessor) and send this to laptop wirelessly

    Hi I am currently working on a project that requires me to convert user given speech input to text in real-time using an arduino(either locally or send the voice wirelessly to my laptop for recognition in my laptop). Is there a way I could implement this only by using an arduino uno and a...
  3. Khisraw

    Using Raspberry Pi Codec Zero HAT

    Hello, I have recently bought a Raspberry Pi Codec Zero to do audio processing. I have gone through all the documentation and set up all the necessary settings. When I run my codes, I get no input. So my questions are; How can you get access directly to the ADC? Maybe the ADC may have a way to...
  4. Khisraw

    Audio Soundcard for Raspberry Pi4

    Hello Looking for a suitable audio soundcard that includes ADC and DAC capabilities for Raspberry Pi 4? So far during my search, I have come across; The HiFiBerry ADC+ DAC: Microphone compatibility(Only works with Dynamic Mic), inability to use headphones for listening, lack of included...
  5. Khisraw

    Using HifiBerry DAC+ADC with Raspberry Pi4

    Hi I have a HifiBerry DAC+ADC attached to Raspberry Pi4 to read audio from a mic. On the console, I see the HifiBerry card is listed. hw:CARD= sndrpihifiberry, DEV= 0 snd_rpi_hifiberry_dacplusadc, HifiBerry DAC+ADC HiFi multicodec-0 I use ALSA API to read the input My code to read the input...
  6. Chrisio

    Help Bluetooth module with raspberry pi

    Hi, I have stacked.. Im trying to connect my Bluetooth module ZS-040 (HC-06) to raspberry pi 3 model b+ for receiving data from mobile phone. I have tried everything but can’t connect. I need python code. I m using serial Bluetooth terminal app on my android phone. I have this code. My code runs...
  7. TimG199

    connection issues/advice on hx616 coin slot to usb decoder for work project

    Hey all, I'm currently building an escape room & have decent good electronics knowledge, however, I'm on a project that has stumped me: We have an arcade machine built with a custom mini game running on a pc, the controller joystick and buttons operate via a usb decoder & are fully...
  8. R

    2 stepper motors simultaneously on rpi pico (micropython)

    I am trying to get 2 stepper motors to run at 2 seperate (and changing) speeds on a rpi pico. the pico will also be doing other things (like reading inputs) along side this. the only way I know to control the speed of a motor is using the time.sleep (see code below function between pulses...
  9. D

    Assign static MAC address to embedded device

    Hi, I have an embedded device and a laptop without an ethernet port. I want to assign a static MAC address to the USB interface and then assign an IP address to the device. For example, I have connected the raspberry pi to the laptop through a USB cable and I want to assign a MAC address to...
  10. Khisraw

    Audio Processing with Rsp4

    Hi, I am working on an audio processing project using Rsp4. It involves using two mics both connected via USB ports. The program works however there is far too much noise that you can barely hear. It mic2 it like a machine is ON. I am new to audio processing so I assume I need to do some...
  11. Khisraw

    Accessing Raspberry Pi4 USB port with Python

    Hello All, I am using Raspberry Pi 4 which comes with 4 USB ports. For my project, I have two mics and both will be connected to Rsp via a USB port. I need to be able to choose which Mic needs to be ON. So basically I need to be able to switch/choose which USB port I want the sound to come in...
  12. Khisraw

    Audio detection with Raspberry Pi4

    Hi All, I am working on a project to detect sound from a mic and process that sound in Raspberry Pi4B. The Mic(Link below) has a digital putout. https://www.sunrom.com/p/sound-sensor-module-mic The Raspberry Pi4B doesn't have an ADC so, in theory, the Mic module should be ideal. The question...
  13. bibble235

    PiScope

    Looking to make a Pi Scope as described at https://www.instructables.com/PiScope-Raspberry-Pi-based-Oscilloscope/ I am happy with the building of it but currently do not know enough about electronics to not use the list of components on the site. I wondered when it comes to components such as...
  14. A

    The USB ports on Raspberry Pi 4 goes blank for a few seconds and returns back to normal

    Hey there, I'm using Raspberry Pi 4B and running OpenCV on it. I have attached webcam for video steam to detect objects using OpenCV, also, a mouse and keyboard. I'm facing a very unique problem here, when I run the python script containing the OpenCV program, it runs smoothly without any...
  15. Ethical23

    What devices/sensors do i need to monitor energy consumption on an app using an SBC???

    Should i use the Energy Meter or can i use a breaker?? I'm thinking about: Raspberry Pi B 4 AzureIoT (Cloud Platform) NodeMCU 8266 (Wifi module) I Know that in this case i need to used an AC to DC converter. Can you help me with this???
  16. yogesh nandurkar

    which OS is good for low boot in raspberry pi

    hi there, i am working on raspberry pi project. the project is to make GUI on raspberry pi. peripheral inbterface keyboard, mouse, LAn Cable. requirement is our raspberry pi should ON/OFF in number of times in a day and for that it should on within a second. i konw it is not possible in...
  17. E

    [help] LED matrix demonstration for climate change

    Hello! I'm a junior undergraduate pursuing a degree in electrical engineering and I have a project idea I've been doing some research on. I have some experience in mBED microcontroller programming and design (like PWM and serial connections). I also have some experience in PCB design and...
  18. D

    Step Down Circuit help

    So, I'm replacing my head unit with a raspberry pi4 and a touch screen. I plan to have a switch for running it off the car battery without a key. and some type of warning system to say if the battery is getting too low to start the car. The car would supply 12V 15 A on accessorie and 10 A...
  19. C

    How to extend serial communication on Raspberry Pi?

    Hello I would like to get distance data by attaching multiple lidar distance measuring sensors. like the picture below. However, the Raspberry Pi appears to communicate one-to-one with the sensors of the TXD and RXD. How do I configure my test circuit if I want to do serial communication...
  20. L

    With this power bank [output 5V / 2.4A] mainly for charging Phones and Tablets... Can power Raspberry Pi 3B+

    https://trust.com/en/product/21795-primo-powerbank-20-000-mah With this power bank ^^^ [output 5V / 2.4A] mainly for charging Phones and Tablets... Can power Raspberry Pi 3B+ [power supply output 5.1V / 2.5A] and Raspberry Pi 4,...??? In the worst situation, if Not working,... what may...
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