Atmel microcontrollers with a good example for the use of DS18B20 DS1302 circuit 2 × 16 LCD display with 4 buttons in circuit adjustments can be made The first button is a long hold in seconds (h) setting switches... Electronics Projects, LCD Date Time Temperature AT89C52 DS18B20 DS1302 "8051 example, avr project, keil example, microcontroller projects, " Date 2019/08/02