4-digit, 14-segment LED Module - January 2024 - Silicon Chip Online
Instead of seven segments, this LED display module has 14 segments per character, so it can display letters, digits and even a few symbols. It has a built-in I2C serial interface, allowing popular microcontrollers like the Arduino Uno or Nano to drive it easily. by Jim Rowe
Jim Rowe Arduino Nano Arduino Uno Holtek Semiconductor Inc Fig Core Electronics Using Electronic Modules
Source: siliconchip.com.au