Circuit PIC16F84 based on the DS1621 temperature sensor with information received 2×16 LCD on the displays also a certain temperature RA0 pin relay connected to the operation temperature value can be determined (not sure the lower or upper limit... Electronics Projects, PIC16F84 and DS1621 Temperature Control Circuit "microchip projects, microcontroller projects, pic16f84 projects, " Date 2019/08/02