feat: update README for testing instructions, remove unused object detection code, and add new files for Arduino basics extension

Author: dido18

README.md

@@ -29,7 +29,7 @@ NOTE: the `https` is needed by the `getUserMedia()` method for security reason.
 - Open the `http://localhost:8602?host=BOARD_IP`
 - `task watch` watch files changes for both python and sketch, and upload the changes to the board and restart"
 
-
 For testing on the board
+
 - `ŧask app:build`
 - `task board:app:upload`

app.yaml

@@ -4,5 +4,4 @@ ports:
   - 7000
 bricks:
   - arduino:web_ui
-  - arduino:object_detection
 icon: 🐱

python/main.py

@@ -1,10 +1,8 @@
 from arduino.app_utils import App, Bridge
 from arduino.app_bricks.web_ui import WebUI
-from arduino.app_bricks.object_detection import ObjectDetection
-import time
-import base64
 
-object_detection = ObjectDetection()
+ui = WebUI(use_ssl=True)
+ui.on_connect(lambda sid: (print(f"Client connected: {sid} "),))
 
 
 def on_matrix_draw(_, data):
@@ -13,68 +11,6 @@ def on_matrix_draw(_, data):
     Bridge.call("matrix_draw", frame)
 
 
-def rgb_to_digital(value, threshold=128) -> bool:
-    """Convert RGB value (0-255) to digital HIGH(1) or LOW(0)"""
-    return value >= threshold
-
-
-def on_set_led_rgb(_, data):
-    led = data.get("led")
-    r = data.get("r")
-    g = data.get("g")
-    b = data.get("b")
-
-    # Convert RGB values (0-255) to digital HIGH/LOW
-    r_digital = rgb_to_digital(r)
-    g_digital = rgb_to_digital(g)
-    b_digital = rgb_to_digital(b)
-
-    print(
-        f"Setting LED {led} to color: RGB({r},{g},{b}) -> Digital({r_digital},{g_digital},{b_digital})"
-    )
-    Bridge.call("set_led_rgb", led, r_digital, g_digital, b_digital)
-
-
-def on_detect_objects(client_id, data):
-    """Callback function to handle object detection requests."""
-    try:
-        image_data = data.get("image")
-        confidence = data.get("confidence", 0.5)
-        if not image_data:
-            # TODO: implement the 'detection_error` in the extension
-            ui.send_message("detection_error", {"error": "No image data"})
-            return
-
-        start_time = time.time() * 1000
-        results = object_detection.detect(base64.b64decode(image_data), confidence=confidence)
-        diff = time.time() * 1000 - start_time
-
-        if results is None:
-            ui.send_message("detection_error", {"error": "No results returned"})
-            return
-
-        response = {
-            "detection": results.get("detection", []),
-            "detection_count": len(results.get("detection", [])) if results else 0,
-            "processing_time": f"{diff:.2f} ms",
-        }
-        ui.send_message("detection_result", response)
-
-    except Exception as e:
-        ui.send_message("detection_error", {"error": str(e)})
-
-
-ui = WebUI(use_ssl=True)
-ui.on_connect(lambda sid: (print(f"Client connected: {sid} "),))
 ui.on_message("matrix_draw", on_matrix_draw)
-ui.on_message("set_led_rgb", on_set_led_rgb)
-ui.on_message("detect_objects", on_detect_objects)
-
-
-def on_modulino_button_pressed(btn):
-    ui.send_message("modulino_buttons_pressed", {"btn": btn})
-
-
-Bridge.provide("modulino_button_pressed", on_modulino_button_pressed)
 
 App.run()

scratch-prg-extensions/extensions/src/arduino_basics/.filesToBundle.js

@@ -1,9 +1,4 @@
-import {
-  type Environment,
-  extension,
-  type ExtensionMenuDisplayDetails,
-  scratch,
-} from "$common";
+import { type Environment, extension, type ExtensionMenuDisplayDetails, scratch } from "$common";
 import { io, Socket } from "socket.io-client";
 import MatrixArgument from "./MatrixArgument.svelte";
 
@@ -20,15 +15,15 @@ const details: ExtensionMenuDisplayDetails = {
 
 // Get Arduino board IP or hostname from URL parameter - required
 const getArduinoBoardHost = () => {
-  if (typeof window !== 'undefined' && window.location) {
+  if (typeof window !== "undefined" && window.location) {
     const urlParams = new URLSearchParams(window.location.search);
-    const boardHost = urlParams.get('host');
+    const boardHost = urlParams.get("host");
     if (boardHost) {
       console.log(`Connecting to Arduino board: ${boardHost}`);
       return boardHost;
     }
   }
-  throw new Error('Arduino board host required. Add ?host=arduino_board_ip_or_name to the URL');
+  throw new Error("Arduino board host required. Add ?host=arduino_board_ip_or_name to the URL");
 };
 
 // TODO: make the block to support the brightness `0-7' of the leds
@@ -87,8 +82,7 @@ export default class ArduinoBasics extends extension(details, "ui", "customArgum
     }
   }
 
-
-  @(scratch.command`Clear matrix`)
+  @scratch.command`Clear matrix`
   clearMatrix(matrix: number[][]) {
     var matrixString = PATTERNS.empty.flat().join("");
     if (this.socket) {