Fork of 2022 vintage K3NG Keyer modified to run on ESP32-WROOM-32. Added BT Keyboard capability (BLE and BT classic), Classic I2C LCD text display and a color TFT display.

This Arduino library provides a convenient and easy-to-use interface for the PH4502C sensor, allowing you to effortlessly integrate it into your Arduino projects. The PH4502C sensor is a ...