Most likely printed on the * LCD circuit board, or look in the supplied LCD documentation. * @param lcd_cols Number of columns your LCD display has. * @param lcd_rows Number of rows your LCD display ...

Clean and modular code structure for easy extension. Hardware requirements: Arduino-compatible board (e.g., ESP32). TFT LCD compatible with TFT_eSPI library. Push button connected to pin 12 ...

The board uses an Atmel AT89S8253 microcontroller–an 8051 derivative–to program registers in the DDS chip, manage external controls, and update the LCD. Hagerty's software resides in about 2 kbytes of ...