All you need is an ESP8266 board (e.g. Lolin NodeMCU v3), a LCD 1602 Keypad Shield (e.g. SainSmart LCD Keypad Shield v.1.0), some resistors (I used 4 x 4.7 kOhm) and some cables. A breadboard can come ...

This shield consists of three logical parts: - 1602LCD with HD4780 Dot Matrix Liquid Crystal Display Controller/Driver. - 6 button keypad. - Analog pins, 5V and GND pass through. Additional ...

LCD, Keypad, Enclosure Expansion Arduino Shield (video) 9:57 am March 6, 2015 By Julian Horsey ...

In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present challenges such ...