14 segment font4/12/2023 The glyphs arent as clean and straight-lined as the representations. If (! isprint(c)) return // only printable!Īlpha4.writeDigitAscii(0, displaybuffer) Īlpha4.writeDigitAscii(1, displaybuffer) Īlpha4.writeDigitAscii(2, displaybuffer) Īlpha4. Designed to match the 14-segment LED display of my Stag PROM Programmer. uint16t font pgmreadword(alphafonttable+a) uint16t font alphafonttablea. Serial.println("Start typing to display!") Ĭhar displaybuffer = Adafruit has a nice 4 digit alphanumeric display using 14 segments. scrolls through every character, then scrolls SerialĪdafruit_AlphaNum4 alpha4 = Adafruit_AlphaNum4() Īlpha4.begin(0x70) // pass in the address Demo the quad alphanumeric display LED backpack kit In the backpack library you have to change the following lines: (original code commented out - line 244) // uint16_t font = pgm_read_word(alphafonttable+a) From the Clock entry in the ribbon bar select. Handling is simpler than the Arduino one. The font is either the program default or one of the free DSEG Original 7-segment and 14-segment fonts. Only in the Backpack library, the PROGMEM statement had to be removed and the read call replaced by the direct access to the array. 92,104 downloads (70 yesterday) Free for personal use. The demo code is the default code from Adafruit. 123,076 downloads (71 yesterday) Free for personal use - 4 font files.
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