hc24 pad

hackpads/hc24 pad/CAD/Readme.md

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+# Case
+
+for the 2nd cad i've ever designed, dosent look all too that bad!<br/>
+
+**I perfer getting it machined, but if thats not possible, 3d prints work for me too!<br/>**
+**base.stl:** made from a white/transparent please<br/>
+**top.stl:** black. just black :)<br/>
+![image](https://github.com/user-attachments/assets/04ad864e-5b56-4508-ab3a-e111c22ad6d4)
+![image](https://github.com/user-attachments/assets/593ce748-4119-4ad5-b491-d3a69ea26d91)
+

hackpads/hc24 pad/Readme.md

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+# hackclub 24 pad
+with love, from swirly!
+![image](https://github.com/user-attachments/assets/6f83f020-a5ce-4086-ad1a-7a605ca76dfe)
+![image](https://github.com/user-attachments/assets/7f277403-bbd4-4984-9d08-49a98737e0b2)
+![image](https://github.com/user-attachments/assets/83e3af63-4460-4a28-963a-8e065bafd167)
+![image](https://github.com/user-attachments/assets/dc6474c2-dd23-49e7-a028-ab8ffbde19d5)

hackpads/hc24 pad/firmware/main.py

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+from machine import Pin, I2C, RTC
+import neopixel
+import time
+import usb_hid
+import colorsys
+import ssd1315
+
+NUM_LEDS = 28  
+LED_PIN = 18   
+BUTTON_PINS = [0, 1, 2, 3, 7, 6, 9, 10]  
+KEYS = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']  
+
+np = neopixel.NeoPixel(Pin(LED_PIN), NUM_LEDS)
+
+buttons = [Pin(pin, Pin.IN, Pin.PULL_UP) for pin in BUTTON_PINS]
+
+keyboard_device = usb_hid.devices[0]
+
+i2c = I2C(0, scl=Pin(19), sda=Pin(18))  
+display = ssd1315.SSD1315_I2C(128, 64, i2c)  
+
+rtc = RTC()
+
+transition_speed = 0.01  
+hue = 0
+
+def hsv_to_rgb(h, s, v):
+    """Convert HSV to RGB."""
+    if s == 0.0:
+        r = g = b = int(v * 255)
+        return (r, g, b)
+
+    i = int(h * 6.0)
+    f = (h * 6.0) - i
+    p = v * (1.0 - s)
+    q = v * (1.0 - s * f)
+    t = v * (1.0 - s * (1.0 - f))
+    i = i % 6
+
+    if i == 0:
+        r, g, b = v, t, p
+    elif i == 1:
+        r, g, b = q, v, p
+    elif i == 2:
+        r, g, b = p, v, t
+    elif i == 3:
+        r, g, b = p, q, v
+    elif i == 4:
+        r, g, b = t, p, v
+    elif i == 5:
+        r, g, b = v, p, q
+
+    return (int(r * 255), int(g * 255), int(b * 255))
+
+def set_button_leds(color):
+    """Set color for the button LEDs."""
+    for i in range(16):  
+        np[i] = color
+    np.write()
+
+def set_transition_leds():
+    """Set color for the transition LEDs."""
+    global hue
+    for i in range(16, NUM_LEDS):  
+        np[i] = hsv_to_rgb(hue, 1, 1)
+    np.write()
+    hue += transition_speed
+    if hue > 1:
+        hue -= 1
+
+def check_buttons():
+    """Check button presses and handle LEDs and keystrokes."""
+    for i, button in enumerate(buttons):
+        if not button.value():  
+
+            set_button_leds((0, 0, 255))
+
+            if i < len(KEYS):
+                keyboard_device.send(KEYS[i])
+            return
+
+    set_button_leds((0, 0, 0))  
+    set_transition_leds()
+
+def display_time():
+    """Display the current time on the SSD1315 display."""
+
+    t = rtc.datetime()
+    hours = t[4]
+    minutes = t[5]
+    seconds = t[6]
+
+    display.fill(0)
+
+    time_str = "{:02}:{:02}:{:02}".format(hours, minutes, seconds)
+
+    display.text(time_str, 0, 0)
+    display.show()
+
+while True:
+    check_buttons()
+    display_time()
+    time.sleep(0.1)

hackpads/hc24 pad/pcb/Readme.md

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+# Made with love, swirly
+Btw, to whoever is reading this, I'd like a black pcb please!
+
+![image](https://github.com/user-attachments/assets/8149a1e7-f47d-4c23-b0f5-0ba76c557410)
+![image](https://github.com/user-attachments/assets/9f8b5942-2080-4fae-80e4-427d4774c714)
+![image](https://github.com/user-attachments/assets/833b3fc5-f630-440a-ae94-7e870f171594)
+![image](https://github.com/user-attachments/assets/298de7ea-fce7-48e3-8234-dc62e00e8e4c)
+![image](https://github.com/user-attachments/assets/ac493695-45ae-40d0-928a-fb361bdc3d40)