adding images

README.md

@@ -9,10 +9,21 @@ To build this streaming node, you will need the following physical components:
 *   **Raspberry Pi:** A Raspberry Pi 3B, 4, or Zero 2 W is recommended, along with a reliable power supply and MicroSD card.
 *   **USB Audio Interface (ADC):** A device to convert the analog audio to a digital signal for the Pi.
 I had best restults with the [Behringer UCA202](https://www.amazon.ca/-/fr/Behringer-UCA222-Interface-audio-rouge/dp/B0023BYDHK/)
+
+<img src="img/UCA202.jpg"  width="200">
+
 *   **Turntable:** Your vinyl record player with analog output like the [Audio-Technica AT-LP60XBT-BK](https://www.amazon.ca/-/fr/dp/B07N3RFXRL)
+
+<img src="img/turntable_front.jpg"  width="200" ><img src="img/turntable_back.jpg"  width="200" >
+
 *   **[3.5mm to RCA Cables]((https://www.amazon.ca/VCE-adaptateurs-st%C3%A9r%C3%A9o-femelle-Plaqu%C3%A9/dp/B06XCR898P)):** To connect the turntable/preamp to the audio interface.
+
+<img src="img/35mm_to_rca.jpg"  width="200" >
+
 *   **[3.5 mm Splitters](https://www.amazon.ca/-/fr/R%C3%A9partiteur-femelle-dextension-Adaptateur-Compatible/dp/B0CN8WRSNG):** To keep the connection available to your Home Theater or Speakers
 
+<img src="img/35mmsplit.jpg"  width="200" >
+
 ## 💻 Software Prerequisites
 
 The streamer relies on two core pieces of software: a capture/encoding client and a broadcast server.
@@ -27,6 +38,16 @@ The streamer relies on two core pieces of software: a capture/encoding client an
 
 ## 🚀 Installation & Setup
 
+### Hardware Flow
+```mermaid
+flowchart TD
+    A[Turntable] --> |3.5mm|B[3.5mm Splitter]
+    B --> |3.5mm|C[3.5mm to RCA converter]
+    B --> |3.5mm|D[Home Theater]
+    C --> |RCA|E[Behringer UCA202]
+    E --> |USB|F[Raspberry Pi3]
+```
+
 ### Option A: Bare-Metal Package Installation
 
 1. Update your system and install the required packages:
@@ -36,8 +57,54 @@ The streamer relies on two core pieces of software: a capture/encoding client an
    ```
 2. Configure Icecast by following the prompts to set your broadcast passwords.
 3. Identify your USB audio device using `arecord -l` to find the correct ALSA card number.
+you should see something similar to 
+  ```
+  **** List of CAPTURE Hardware Devices ****
+  card 1: Codec [USB Audio Codec], device 0: USB Audio [USB Audio]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
+  ```
 4. Edit the `/etc/darkice.cfg` file to link your hardware capture device to the Icecast server.
+  ```
+  [input]
+  device          = hw:1,0  # OSS DSP soundcard device for the audio input
+  sampleRate      = 44100   # sample rate in Hz. try 11025, 22050 or 44100
+  bitsPerSample   = 16      # bits per sample. try 16
+  channel         = 2       # channels. 1 = mono, 2 = stereo
+  ```
+5. Icecast streams: continue to edit the '/etc/darkice.cfg' file and add the configuration nof your choice, or both
+MP3 is compatible with more devices but Opus has usually greater quality
+  ```
+    # ==========================================
+    # Stream 1: High Compatibility (MP3)
+    # URL: http://<RASPBERRY_PI_IP>:8000/vinyl.mp3
+    # ==========================================
+    [icecast2-0]
+    bitrateMode     = cbr       # Constant bitrate for maximum MP3 compatibility
+    format          = mp3
+    bitrate         = 320       # High quality MP3
+    server          = localhost # Or the IP of your Icecast container
+    port            = 8000
+    password        = hackme    # Must match ICECAST_SOURCE_PASSWORD
+    mountPoint      = vinyl.mp3
+    name            = Vinyl Stream (MP3)
+    description     = Turntable broadcast in MP3 format
 
+    # ==========================================
+    # Stream 2: High Efficiency / Quality (Opus)
+    # URL: http://<RASPBERRY_PI_IP>:8000/vinyl.opus
+    # ==========================================
+    [icecast2-1]
+    bitrateMode     = vbr       # Variable bitrate is ideal for Opus
+    format          = opus
+    bitrate         = 128       # Opus sounds incredibly transparent at 128kbps
+    server          = localhost # Or the IP of your Icecast container
+    port            = 8000
+    password        = hackme    # Must match ICECAST_SOURCE_PASSWORD
+    mountPoint      = vinyl.opus
+    name            = Vinyl Stream (Opus)
+    description     = Turntable broadcast in Opus format
+  ```
 ### Option B: Docker Compose Deployment
 
 If you prefer a containerized homelab setup, you can deploy the stack using Docker Compose. 
@@ -54,3 +121,5 @@ docker compose up -d
 Once the services are running and a record is spinning, you can access the stream from any device on your local network by pointing your browser or a network media player to:
 
 `http://<RASPBERRY_PI_IP>:8000/vinyl`
+ 
+ You can use a service like [Music Assistant](https://www.music-assistant.io/) to add that stream as an internet radio and cast to your Cast devices (google cast / Snap / Sonos/ etc)