board

Network cabinet fan controller

Public Unreviewed

by matt

Two independently controlled 12 V fans, Ethernet and Wi-Fi, and an RGB speed display in a custom printed puck. Routed development preview, not approved for manufacture.

pcbfan-controlleresphomeesp32-s3ethernetnetwork-cabinet
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fan-controller / revisions / mta156 / design / bom.csv
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matt Add MTA-156 input revision and document enclosure and cable-fit limits 16485bb
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ref,value,mpn,manufacturer,package,source,lcsc,stock,stock_date,note,quantity,dnp
J1,12V IN,640445-2,TE Connectivity,TE_MTA156_640445-2_1x02_P3.9624_Vertical,JLCPCB,C86497,27225,2026-10-24,User requested two-pin MTA-156 power input. Header only; matching wire plug and mated cable fit must be selected.,1,no
F1,4A fast,0466004.NRHF,Littelfuse,Fuse_1206_3216Metric,JLCPCB,C187596,1903,2026-10-23,Secondary protection; 2 A combined continuous design target; qualify start-up I²t and source fault current.,1,no
Q1,AO4407A,AO4407A,Alpha & Omega Semiconductor,SOIC-8_3.9x4.9mm_P1.27mm,JLCPCB,C16072,11860,2026-10-23,Drain toward source connector; body diode starts protected rail; source on protected side.,1,no
R1,100k,0603WAF1003T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25803,18339380,2026-10-23,,1,no
D1,SMAJ15A,SMAJ15A/TR13,Brightking,D_SMA,JLCPCB,C86819,60502,2026-10-23,15 V standoff; surge clamp is not fan overvoltage protection.,1,no
C1,100u 25V,EEEFT1E101AP,Panasonic,CP_Elec_6.3x5.8,JLCPCB,C178590,17,2026-10-23,"Bulk input; 6.3 mm diameter, 5.8 mm high, rated 300 mA ripple.",1,no
C2,10u 25V,CL21A106KAYNNNE,See manufacturer datasheet,C_0805_2012Metric,JLCPCB,C15850,9242803,2026-10-23,,1,no
C3,100n,CC0603KRX7R9BB104,See manufacturer datasheet,C_0603_1608Metric,JLCPCB,C14663,44682280,2026-10-23,,1,no
U1,AP63203WU-7,AP63203WU-7,Diodes Incorporated,TSOT-23-6,JLCPCB,C780769,8677,2026-10-23,,1,no
C4,100n,CC0603KRX7R9BB104,See manufacturer datasheet,C_0603_1608Metric,JLCPCB,C14663,44682280,2026-10-23,,1,no
L1,3.9uH,CDRH6D38T125NP-3R9NC,Sumida,CDRH6D38T125,JLCPCB,C2890514,578,2026-10-23,,1,no
C5,22u 16V,CL31A226KOHNNNE,See manufacturer datasheet,C_1206_3216Metric,JLCPCB,C90146,388951,2026-10-23,,1,no
C6,22u 16V,CL31A226KOHNNNE,See manufacturer datasheet,C_1206_3216Metric,JLCPCB,C90146,388951,2026-10-23,,1,no
U2,ESP32-C3-MINI-1U-N4,ESP32-C3-MINI-1U-N4,Espressif,ESP32-C3-MINI-1U,JLCPCB,C2911374,928,2026-10-23,N4 is NRND; N4X not in current stocked search. External antenna required; existing silicon supported for this prototype.,1,no
C7,10u 25V,CL21A106KAYNNNE,See manufacturer datasheet,C_0805_2012Metric,JLCPCB,C15850,9242803,2026-10-23,,1,no
C8,100n,CC0603KRX7R9BB104,See manufacturer datasheet,C_0603_1608Metric,JLCPCB,C14663,44682280,2026-10-23,,1,no
R2,10k,0603WAF1002T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25804,36165747,2026-10-23,,1,no
C9,1u,CL10A105KB8NNNC,Samsung,C_0603_1608Metric,JLCPCB,C15849,13900734,2026-10-23,,1,no
R3,10k,0603WAF1002T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25804,36165747,2026-10-23,,1,no
R4,10k,0603WAF1002T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25804,36165747,2026-10-23,,1,no
R5,10k,0603WAF1002T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25804,36165747,2026-10-23,,1,no
U3,SN74LVC2G125DCTR,SN74LVC2G125DCTR,Texas Instruments,TI_DCT0008A,JLCPCB,C206035,6181,2026-10-23,"DCT8 uses TI SM8; matched to SSOP-8 2.95x2.8 mm, 0.65 mm pitch.",1,no
C10,100n,CC0603KRX7R9BB104,See manufacturer datasheet,C_0603_1608Metric,JLCPCB,C14663,44682280,2026-10-23,,1,no
R6,10k,0603WAF1002T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25804,36165747,2026-10-23,,1,no
R7,47k,0603WAF4702T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25819,2403860,2026-10-23,,1,no
R8,47k,0603WAF4702T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25819,2403860,2026-10-23,,1,no
R9,33,0603WAF330JT5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C23140,4634672,2026-10-23,,1,no
R10,33,0603WAF330JT5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C23140,4634672,2026-10-23,,1,no
J2,FAN1,47053-1000,Molex,FanPinHeader_1x04_P2.54mm_Vertical,JLCPCB,C240840,9596,2026-10-23,Vertical mated height and cable bend require fit review.,1,no
R11,10k,0603WAF1002T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25804,36165747,2026-10-23,,1,no
R12,1k,0603WAF1001T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C21190,35403609,2026-10-23,,1,no
C11,1n,CL10B102KB8NNNC,Samsung,C_0603_1608Metric,JLCPCB,C1588,5671378,2026-10-23,,1,no
J3,FAN2,47053-1000,Molex,FanPinHeader_1x04_P2.54mm_Vertical,JLCPCB,C240840,9596,2026-10-23,Vertical mated height and cable bend require fit review.,1,no
R13,10k,0603WAF1002T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C25804,36165747,2026-10-23,,1,no
R14,1k,0603WAF1001T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C21190,35403609,2026-10-23,,1,no
C12,1n,CL10B102KB8NNNC,Samsung,C_0603_1608Metric,JLCPCB,C1588,5671378,2026-10-23,,1,no
J4,DS18B20 SENSOR,B3B-XH-A(LF)(SN),JST,JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical,JLCPCB,C144394,105111,2026-10-23,Powered 3-wire DS18B20; cable shield if needed to GND at board only; remote 100 nF at sensor.,1,no
R15,4.7k,0603WAF4701T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C23162,17309456,2026-10-23,,1,no
J5,3V3 UART PROGRAM,no part,PCB copper,PinHeader_2x03_P2.54mm_Vertical,PCB copper,,no part,2026-10-23,Unpopulated service holes: use 3.3 V UART. Pin 2 is voltage sense only while 12 V is connected. Pull BOOT low then pulse EN low for download.,1,yes
R16,2.2k,0603WAF2201T5E,UNI-ROYAL,R_0603_1608Metric,JLCPCB,C4190,6072635,2026-10-23,,1,no
D2,STATUS red,KT-0603R,Hubei KENTO,LED_0603_1608Metric,JLCPCB,C2286,7933313,2026-10-23,Red LED; operating current about 0.6 mA.,1,no
TP1,VIN_RAW,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP2,VIN12,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP3,V3V3,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP4,SW,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP5,PWM1,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP6,PWM2,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP7,TACH1,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP8,TACH2,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP9,ONEWIRE,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP10,EN,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP11,PWM_DISABLE,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no
TP12,GND,no part,PCB copper,TestPoint_Pad_D1.0mm,PCB copper,,no part,2026-10-23,"Exposed copper only, no purchased component.",1,no