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STD AET Fan Emulator (Fake PC, Server, Miner, Switch Fan)

AET Fan Emulator (Fake PC, Server, Miner, Switch Fan)

Project tags

License

MIT

License: MIT

Mode:

Mode

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Update time: 2023-04-18 00:31:25
Creation time: 2023-04-16 23:42:49
Description

Description

Main

Connect to PC, switch, server, etc. Standard 3-wire fan: Gnd, 12V, Tach.

 

Fan

Passthrough Gnd and 12V to power a fan if desired.

 

Mode

This switch changes the tach signal mode.

  • V+: Tach signal is pulled to +5V or +12V (depending on input fan voltage) 2x per "revolution" of the fake fan. Used in PCs.
  • GND: Tach signal is pulled to ground 2x per "revolution" of the fake fan. Used in Cisco Switches.

 

Speed

Adjust simulated fan speed: Approximately 4,700 to 17,200 RPM.

Design Drawing

Design Drawing

schematic diagram
1 /
PCB
1 /
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ID Name Designator Footprint Quantity BOM_Supplier BOM_Manufacturer BOM_Manufacturer Part BOM_Supplier Part BOM_JLCPCB Part Class
1 330nF C1 C0603 1 LCSC FH(风华) 0603B334K250NT C1615 Basic Part
2 22272021 FAN CONN-TH_22272021 1 LCSC MOLEX 22272021 C293316 Extended Part
3 22272031 MAIN TH_3P-P2.54-V 1 LCSC MOLEX 22272031 C471416 Extended Part
4 MS-22D17-G2 MODE SW-SMD_DEALON_MS-22D17-G2 1 LCSC DEALON(德艺隆) MS-22D17-G2 C2904912 Extended Part
5 19-217/GHC-YR1S2/3T PWR LED0603-RD 1 LCSC EVERLIGHT(亿光) 19-217/GHC-YR1S2/3T C72043 Basic Part
6 MMBT2222A_C8512 Q1 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 1 LCSC CJ(江苏长电/长晶) MMBT2222A 1P C8512 Basic Part
7 1kΩ R1 R1206 1 LCSC UNI-ROYAL(厚声) 1206W4F1001T5E C4410 Basic Part
8 3.3kΩ R2 R0805 1 LCSC UNI-ROYAL(厚声) 0805W8F3301T5E C26010 Basic Part
9 510Ω R3 R0805 1 LCSC UNI-ROYAL(厚声) 0805W8F5100T5E C17734 Basic Part
10 10kΩ R4 R0805 1 LCSC UNI-ROYAL(厚声) 0805W8F1002T5E C17414 Basic Part
11 10kΩ SPEED RES-ADJ-SMD_3P-L3.0-W3.8-P1.75-BR 1 LCSC BOURNS TC33X-2-103E C719176 Extended Part
12 LM555 U1 SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL 1 LCSC UTC(友顺) NE555G-S08-R C75529 Extended Part

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