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(Fan regulator) 4x LM35 + atmega88

2 years ago 572
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Description

You can use any kind of Dpack or TO-220 N-chanel MOSFET, set minimal PWM filling experimentally (it`s its dependent of your kind of fan). If you want, you can change maximal and minimal temperatures.

Arduino program for 4 fans in files :)

Still in progress

Documents

TQFP32 + Dpack

TQFP32 + Dpack

DIP28 + Dpack

TQFP32 + TO-220

DIP28 +TO-220

TQFP32 + TO-220

DIP28 + TO-220

DIP28 + Dpack

BOM

ID Name Designator Footprint Quantity
1 LM35DZ/LFT1 U0-4,U1-4,U2-4,U3-4,U7-2,U8-2,U9-2,U10-2,U0-1,U1-1,U2-1,U3-1 TO-92(TO-92-3) 12
2 IRFZ44V Q2-4,Q1-4,Q0-4,Q3-4,Q2-1,Q1-1,Q0-1,Q3-1 TO-252-3(5.5X.6.5) 8
3 470R R0-4,R1-4,R2-4,R3-4,R8-2,R9-2,R10-2,R11-2,R16-3,R17-3,R18-3,R19-3,R0-1,R1-1,R2-1,R3-1 AXIAL-0.3 16
4 Header-Female-2.54_1x2 P0-4,P1-4,P2-4,P3-4,P4-4,P5-2,P6-2,P7-2,P8-2,P9-2,P10-3,P11-3,P12-3,P13-3,P14-3,P0-1,P1-1,P2-1,P3-1,P4-1 HDR-1X2/2.54 20
5 7805 U5-4,U11-2,U18-3,U5-1 TO-220 4
6 47k R4-4,R5-4,R6-4,R7-4,R12-2,R13-2,R14-2,R15-2,R20-3,R21-3,R22-3,R23-3,R4-1,R5-1,R6-1,R7-1 AXIAL-0.3 16
7 100n C1-4,C3-2,C5-3,C1-1 RAD-0.1 4
8 10u C2-4,C4-2,C6-3,C2-1 CAP-D3.0XF1.5 4
9 ATMEGA328P-PU U6-4,U20-3 DIP-28_300MIL 2
10 JST-PH-2.0_1x6 P22-4,P22-2,P22-3,P22-1 JST-PH-2.0_1X6 4
11 TMP36 U1 TO-92-KIT 1
12 TRANSISTOR_NPN Q1 TO-92-AMMO 1
13 transistor_npn_TO-92 Q2 TRANSISTOR 1
14 2SC928 TO-92 U2,U3 2SC928_TO-92 2
15 PNP(TO-92) Q3 TO-92 1
16 2SC945 TO-92 U4 2SC945 TO-92(TO-92-3) 1
17 IRFZ44V Q4-2,Q5-2,Q6-2,Q7-2,Q8-3,Q9-3,Q10-3,Q11-3 TO-220HF 8
18 ATMEGA88_TQFP U12-2,U6-1 ATMEGA88_TQFP 2
19 LM35DZ/LFT1 U14-3,U15-3,U16-3,U17-3 2SC928_TO-92 4

Attachments

Filename Download
fastPWM-dzia_a_-test_4x.ino

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