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Maker_Pico_Box/main3.py

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+import machine
+import time
+import neopixel
+
+# ----------------------------
+# NeoPixel SETUP
+# ----------------------------
+
+# Strip on GP17 (3 LEDs)
+STRIP_PIN = 17
+STRIP_LEDS = 3
+strip = neopixel.NeoPixel(machine.Pin(STRIP_PIN), STRIP_LEDS)
+
+# Single Pixel on GP28 (1 LED)
+SINGLE_PIN = 28
+single = neopixel.NeoPixel(machine.Pin(SINGLE_PIN), 1)
+
+# ----------------------------
+# Buttons on GP20, GP21, GP22
+# ----------------------------
+button_pins = [20, 21, 22]
+buttons = [machine.Pin(pin, machine.Pin.IN, machine.Pin.PULL_UP) for pin in button_pins]
+
+# ----------------------------
+# 12-color palette
+# ----------------------------
+colors = [
+    (0,   0,   0),     # Off
+    (255,   0,   0),   # Red
+    (0,   255,   0),   # Green
+    (0,     0, 255),   # Blue
+    (255, 255,   0),   # Yellow
+    (0,   255, 255),   # Cyan
+    (255,   0, 255),   # Magenta
+    (255, 128,   0),   # Orange
+    (128,   0, 255),   # Purple
+    (255,  20, 147),   # Pink
+    (128, 255,   0),   # Lime
+    (255, 255, 255),   # White
+]
+
+# State for strip pixels (0–2)
+color_index = [0, 0, 0]
+brightness = [5, 5, 5]
+last_state = [1, 1, 1]
+press_time = [0, 0, 0]
+
+# State for single pixel (pixel #3)
+single_color_index = 1
+single_brightness = 5
+
+# ----------------------------
+# Helpers
+# ----------------------------
+def apply_brightness(color, level):
+    r, g, b = color
+    factor = level / 100
+    return (int(r * factor), int(g * factor), int(b * factor))
+
+def update_strip():
+    for i in range(STRIP_LEDS):
+        strip[i] = apply_brightness(colors[color_index[i]], brightness[i])
+    strip.write()
+
+def update_single():
+    single[0] = apply_brightness(colors[single_color_index], single_brightness)
+    single.write()
+
+# Initial setup
+update_strip()
+update_single()
+
+# ----------------------------
+# Main loop
+# ----------------------------
+while True:
+    now = time.ticks_ms()
+
+    # Handle buttons for pixels 0,1,2
+    for i in range(3):
+        state = buttons[i].value()
+
+        # Button pressed
+        if last_state[i] == 1 and state == 0:
+            press_time[i] = now
+
+        # Button released
+        if last_state[i] == 0 and state == 1:
+            duration = time.ticks_diff(now, press_time[i])
+
+            if duration > 500:
+                # LONG PRESS → brightness
+                brightness[i] += 10
+                if brightness[i] > 100:
+                    brightness[i] = 10
+            else:
+                # SHORT PRESS → color change
+                color_index[i] = (color_index[i] + 1) % len(colors)
+
+            update_strip()
+            time.sleep_ms(200)  # debounce
+
+        last_state[i] = state
+
+    # (Optional) Example automatic color change for pixel 3
+    # single_color_index = (single_color_index + 1) % len(colors)
+    # update_single()
+    # time.sleep(0.5)
+
+    time.sleep_ms(10)
+