Blackify.

Author: kattni

examples/ht16k33_segments_14x4_demo.py

@@ -0,0 +1,41 @@
+# SPDX-FileCopyrightText: 2022 Kattni Rembor for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+import time
+import board
+from adafruit_ht16k33 import segments
+
+# Create the display object.
+# Display connected to STEMMA QT connector.
+display = segments.Seg14x4(board.STEMMA_I2C())
+# Display connected to I2C pins.
+# display = segments.Seg14x4(board.I2C())
+
+# This section displays four 0's across the display. The code shows four
+# different ways to use the set_digit_raw function. Each is labeled below.
+# 16-bit Hexadecimal number
+display.set_digit_raw(0, 0x2D3F)
+time.sleep(0.2)
+# 16-bit Binary number
+display.set_digit_raw(1, 0b0010110100111111)
+time.sleep(0.2)
+# 8-bit Binary Tuple
+display.set_digit_raw(2, (0b00101101, 0b00111111))
+time.sleep(0.2)
+# 8-bit Hexadecimal List
+display.set_digit_raw(3, [0x2D, 0x3F])
+time.sleep(0.2)
+
+# Delay between.
+time.sleep(2)
+
+# Scroll "Hello, world!" across the display. Setting the loop parameter to false allows you to
+# tell the marquee function to run only once. By default, marquee loops indefinitely.
+display.marquee("Hello, world!", loop=False)
+
+# Delay between.
+time.sleep(2)
+
+# Scroll special characters, uppercase and lowercase letters, and numbers across
+# the display in a loop. This section will continue to run indefinitely.
+display.marquee("".join(chr(character) for character in range(ord("!"), ord("z") + 1)))

examples/ht16k33_segments_multi_display.py

@@ -68,10 +68,14 @@
     display.set_digit_raw(2, 0x79)
     display.set_digit_raw(3, 0b01111001)
 else:
-    # 14-segment raw digits
+    # 14-segment raw digits. Same character (0) displayed using four different methods.
+    # 16-bit Hexadecimal number
     display.set_digit_raw(0, 0x2D3F)
+    # 16-bit Binary number
     display.set_digit_raw(1, 0b0010110100111111)
+    # 8-bit Binary Tuple
     display.set_digit_raw(2, (0b00101101, 0b00111111))
+    # 8-bit Hexadecimal List
     display.set_digit_raw(3, [0x2D, 0x3F])
 time.sleep(2)
 

examples/ht16k33_segments_simpletest.py

@@ -64,10 +64,14 @@
     display.set_digit_raw(2, 0x79)
     display.set_digit_raw(3, 0b01111001)
 else:
-    # 14-segment raw digits
+    # 14-segment raw digits. Same character (0) displayed using four different methods.
+    # 16-bit Hexadecimal number
     display.set_digit_raw(0, 0x2D3F)
+    # 16-bit Binary number
     display.set_digit_raw(1, 0b0010110100111111)
+    # 8-bit Binary Tuple
     display.set_digit_raw(2, (0b00101101, 0b00111111))
+    # 8-bit Hexadecimal List
     display.set_digit_raw(3, [0x2D, 0x3F])
 time.sleep(2)