Gravity: 1602 LCD Keypad Shield For Arduino SF_Relay ESP-WHO is a face detection

ESP-WHO is a face detection and recognition development framework designed for AIoT applications

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Gravity: 1602 LCD Keypad Shield For Arduino SF_Relay ESP-WHO is a face detectionThis is a very popular LCD Keypad shield for Arduino and other variants. It includes a 2x16 LCD display and 6 momentary push buttons. Pins 4, 5, 6, 7, 8, 9 and 10 are used to interface with the LCD. Just one Analog Pin 0 is used to read the five pushbuttons. The LCD shield supports contrast adjustment and back lit on off functions. It also exposes five analog pins with DFRobot color code for easy analog sensor plugging and display. The on board LED