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Std edition Pic Temperature controller

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Published Time: 2021-04-10 07:22:50
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Description
Aim : To design PIC16F877A based Temperature controller, LM35 as Temperature Sensor, A pot reference set point adjustment. LCD to display Current Temperature, Reference Temperature and status of the output. Software : MPLAB IDE. Code : Assembly language(under development...).
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 PIC16F877A-IP U1 DIP40 1
2 LM35DZ U2 TO-92 1
3 -L7805 U3 L7805 1
4 Diode_Bridge D1 Diode Bridge W10M 1
5 CON_2 U4 CON_2_SCREW 1
6 1000uF-25V C1 RAD-315 1
7 0.1uF-50V C2 CAP-PTH-SMALL-KIT 1
8 27pF C3,C4 Cap200 2
9 0.1UF-50V C5,C6 CAP-PTH-SMALL-KIT 2
10 1k R1 RC07 1
11 1KOHM-1_4W R2 AXIAL-0.3 1
12 0.1UF-50V-20% C8 CAP-PTH-SMALL-KIT 1
13 LCD-DMC1602B U5 DMC1602B 1
14 220 R3 AXIAL-0.3 1
15 1K R4,R6 AXIAL-0.3 2
16 void Q1 TO-92 1
17 RELAY_RELAY-JZC U6 Relay_JS-M 1
18 Diode 1N4007 D2 Diode 0.4 1
19 4.7K R5 AXIAL-0.3 1
20 LED LED1 LED3MM 1
21 CON_3 U7 TERMINAL_BLOCK_3P_5 1
22 POT RV1 POT93YA 1
23 0.1uF C7 CAP-PTH-SMALL-KIT 1
24 1KOHM-1_4W-5%(PTH) R7 AXIAL-0.3 1
25 POWER LED LED2 LED3MM 1
26 20MHz Y1 HC49US 1

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