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4 layers56.5 × 216 mmE003 rocker, the printed circuit board in 3D
Size
56.5 × 216 mm
Copper layers
4
Thickness
1.6 mm
Parts
226
Nets
200
Pads
738
Tracks, vias
2,072, 551
Pours
4
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
3 Nov 2025
Updated
9 Jun 2026

Overview

E003 rocker is an open-source printed circuit board by oscar-wik, from the oscar-wik/e002_rocker repository on GitHub. It is a 4-layer board of 56.5 × 216 mm with 226 parts on 200 nets, routed with 2,072 tracks and 551 vias.

It is built around the 74VHCT126AFT, ESP32-S3-WROOM-1-N8R2 and DCP3601NMR, with the DRV8317HREER, HUSB238_002DD and 74HC393D among its other parts. Its parts include 68 resistors, 63 capacitors, 23 inductors, 13 ICs and 11 diodes. It belongs with the ESP32 boards of this library.

Main components

12

Parts

226
QtyValueFootprintReferences
31100NF 0402 25V X7Rsmv_footprints:C_0402_1005MetricC1, C2, C3, C12, C16, C18, C19, C20, C25, C27, C30, C33, C35, C40, C42, C43 +15
20INDC_BEAD_BLM18AG601SN1DInductor_SMD:L_0603_1608MetricL1, L2, L10, L11, L12, L13, L15, L16, L17, L18, L19, L20, L21, L22, L23, L25 +4
16100R 0402smv_footprints:R_0402_1005MetricR7, R10, R16, R18, R19, R22, R26, R35, R45, R46, R47, R48, R56, R59, R61, R62
13CONN_M4_MOUNTMountingHole:MountingHole_2.7mm_M2.5_ISO7380_PadM1, M2, M3, M4, M5, M6, M7, M8, M9, M10, M11, M12, M13
1110K 0402smv_footprints:R_0402_1005MetricR13, R20, R25, R29, R36, R39, R41, R42, R44, R52, R73
11TestPointsmv_footprints:TestPoint_Loop_D2.60mm_Drill1.4mm_BeadedTP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP13
1047K 0402smv_footprints:R_0402_1005MetricR4, R11, R30, R31, R32, R33, R50, R58, R60, R72
9220PF 0603 50V C0Gsmv_footprints:C_0603_1608MetricC21, C22, C23, C24, C28, C29, C52, C53, C54
81.5K 0402smv_footprints:R_0402_1005MetricR5, R14, R15, R17, R24, R34, R53, R54
84.7K 0402smv_footprints:R_0402_1005MetricR6, R8, R9, R12, R21, R27, R43, R71
8DIODE_DIODES_B260S1F-7smv_footprints:D_SOD-123FD2, D3, D4, D5, D6, D7, D8, D9
610R 0402smv_footprints:R_0402_1005MetricR37, R38, R40, R49, R51, R55
510UF_0805_16V_X7Rsmv_footprints:C_0805_2012MetricC10, C13, C14, C26, C45
4100NF 1206 50V C0Gsmv_footprints:C_1206_3216MetricC11, C15, C17, C31
4100NF_0603_100V_X7Ssmv_footprints:C_0603_1608MetricC8, C41, C58, C62
410UF 1206 35V X5Rsmv_footprints:C_1206_3216MetricC36, C37, C38, C39
44.7N 50 VDC 5% 0603 C0Gsmv_footprints:C_0603_1608MetricC4, C49, C50, C51
4TRAN_DIODES_DMN62D0U-13Package_TO_SOT_SMD:SOT-23Q2, Q3, Q4, Q6
3IC_KNOWLES_SPH0141LM4H-1smv_footprints:MIC_KNOWLES_SPH0641LM4H-1MK1, MK2, MK3
2200Rsmv_footprints:POT_BOURNS_TC33X2201ERV1, RV2
2220K 0402smv_footprints:R_0402_1005MetricR1, R23
2220R 0402smv_footprints:R_0402_1005MetricR28, R70
2330R 0402smv_footprints:R_0402_1005MetricR66, R68
2AMPHENOL_F51L-1A7H1-11018smv_footprints:CONN_AMPHENOL_F51L-1A7H1-11018J2, J9
2BTN_OMRON_B3S-1100PButton_Switch_SMD:SW_SPST_B3S-1100SW1, SW2
2CAPP_PANASONIC_EEV-FK1E222Msmv_footprints:CAPP_PANASONIC_EEEFK0J682AMC32, C34
2INDC_BEAD_TAY_FBMH3216HM221NTsmv_footprints:INDC_TAY_FBMH3216HM221NTL3, L14
2RGBsmv_footprints:LED_XINLIGHT_XL-3210RGBC-YGLED1, LED2
2RK09711110ELsmv_footprints:POT_ALPS_RK09711110ELVR2, VR3
2TRAN_ALPHA_AONR21357smv_footprints:TRAN_ALPHA__AONR21307Q1, Q5
128K 0402 1%smv_footprints:R_0402_1005MetricR3
12A 3.5A 16Vsmv_footprints:PFUSE_LITTLEFUSE_1812L20016DRF1
17.5K 0402smv_footprints:R_0402_1005MetricR57
174HC393Dsmv_footprints:IC_NEXPERIA_74HC393DU4
174VHCT126AFTsmv_footprints:IC_TOSHIBA_74VHCT126AFTU8
180.6K 0402 1%smv_footprints:R_0402_1005MetricR2
1B5P-VHsmv_footprints:CONN_JST_B5P-VHJ5
1CONN_GCT_USB4105-GF-AConnector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_HorizontalJ1
1CONN_JST_B6B-PH-K-SConnector_JST:JST_PH_B6B-PH-SM4-TB_1x06-1MP_P2.00mm_VerticalJ6
1DCP3601smv_footprints:SOT95P280X125-6NIC2
1DOID_ST_ESDA25P35-1U1Msmv_footprints:DIOD_STM_ESDA25P35-1U1MD1
1DRV8317HREERsmv_footprints:QFN40P400X500X80-37N-DIC4
1ESP32-S3-WROOM-1-N8R2smv_footprints:IC_EXPIF_ESP32-S3-WROOM-1-N8R2U3
1HUSB238_002DDPackage_DFN_QFN:DFN-10-1EP_3x3mm_P0.5mm_EP1.65x2.38mmU2
1IC_DIODES_AP7381-33Y-13smv_footprints:IC_DIODES_AP738133Y13IC5
1IC_DIODES_AP7381-50Y-13smv_footprints:IC_DIODES_AP738133Y13IC1
1IC_DIOD_LM4040D30FTAPackage_TO_SOT_SMD:SOT-23U5
1IC_TEXAS_NE556DRsmv_footprints:SOIC127P600X175-14NIC3
1IC_TEXAS_TPD4S201TRGRRQ1smv_footprints:IC_TEXAS_TPD4S201TRGRU1
1INDC_TDK_VLCF5028T-220MR71-2smv_footprints:IND_TDK_VLCF5028T-220MR71-2L4
1JW2SN-DC12Vsmv_footprints:REL_PANASONIC_JW2SN-DC12VK1
1PBH2UEESNPNAGXsmv_footprints:BTN_ESWITCH_PBH2UXXSNPNAGXS3
1RK097111080Rsmv_footprints:POT_ALPS_RK097111080RVR1
1RS2254XQsmv_footprints:IC_RUNIC_RS2254XQU6
1SC-88_SOT363_NEXsmv_footprints:IC_NEXPERIA_74LVC1G386GWU7

Questions

How big is the E003 rocker PCB?

It measures 56.5 × 216 mm and has 4 copper layers, 1.6 mm thick.

What parts does the E003 rocker use?

226 parts, built around the 74VHCT126AFT, ESP32-S3-WROOM-1-N8R2, DCP3601NMR and DRV8317HREER. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the E003 rocker KiCad files?

From the oscar-wik/e002_rocker repository on GitHub, at the commit this page was made from: the board is e003_source/e003_rocker.kicad_pcb and its schematic e003_source/ESP32.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the E003 rocker design in my own project?

Its repository states no licence, so its author keeps all rights: ask oscar-wik before reusing the design.

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