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4 layers66 × 40 mmESP32 PRELIM DESIGN, the printed circuit board in 3D

ESP32 PRELIM DESIGN

ece49022-team9/slate

Keep the team's native schematic and board sources here, including any project-specific libraries needed to open them.

Open in PCBKitView on GitHub.kicad_pcb
Size
66 × 40 mm
Copper layers
4
Thickness
1.6 mm
Parts
82
Nets
74
Pads
352
Tracks, vias
528, 132
Pours
7
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
10 Sep 2026
Updated
5 Nov 2026

Overview

ESP32 PRELIM DESIGN is an open-source printed circuit board by ece49022-team9, from the ece49022-team9/slate repository on GitHub. It is a 4-layer board of 66 × 40 mm with 82 parts on 74 nets, routed with 528 tracks and 132 vias.

It is built around the ESP32-S3-WROOM-1-N8, DRV2605LDGS and TPS63020DSJR, with the BQ24075RGT, USBLC6-2SC6 and BAT54C among its other parts. Its parts include 26 resistors, 21 capacitors, 7 ICs, 6 diodes and 5 connectors. It belongs with the ESP32 boards of this library.

Main components

7

README

hardware/README.md

Hardware

Keep the team's native schematic and board sources here, including any project-specific libraries needed to open them. The current bring-up board uses an ESP32-WROOM-32 module; its microphone, OLED, and haptic GPIO wiring is not yet confirmed. Record the pin map alongside these sources when it is known. Firmware configuration must follow that hardware revision.

Open ESP32_PRELIM_DESIGN.kicad_pro with KiCad 10. The preliminary schematic was imported unchanged from the team's hw and fw branches. The PCB file is an empty board, not a placed or routed design. Circuit correctness and fabrication readiness have not been established.

KiCad 10.0.5 can export the schematic netlist, but reports annotation errors. Resolve those in the schematic editor before treating the netlist as ready for board work.

Parts

82
QtyValueFootprintReferences
710kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR3, R6, R7, R12, R20, R22, R25
50.1uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC3, C5, C8, C10, C13
510uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC9, C11, C12, C14, C21
522uFCapacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolderC6, C7, C16, C17, C19
41.5kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR5, R11, R24, R26
41uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC1, C2, C4, C15
4LEDLED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolderD1, D2, D4, D5
3MountingHoleMountingHole:MountingHole_2.2mm_M2H1, H2, H3
3SW_PushButton_Switch_SMD:SW_SPST_CK_KMS2xxGPSW1, SW2, SW3
20Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR8, R9
2100kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR13, R14
21MResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR19, R23
24.7kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR1, R2
24.7uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC18, C20
25.1kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR15, R16
2Conn_01x05_PinConnector_JST:JST_PH_S5B-PH-K_1x05_P2.00mm_HorizontalJ3, J4
2TestPointTestPoint:TestPoint_Pad_1.5x1.5mmTP1, TP2
11.5uHInductor_SMD:L_Coilcraft_XAL4020-XXXL1
1180kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR21
12N7002Package_TO_SOT_SMD:SOT-23Q1
12kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR18
13.3kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR17
133Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR4
1680kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR10
1BAT54CPackage_TO_SOT_SMD:SOT-23D3
1BAT54WSDiode_SMD:D_SOD-323_HandSolderingD6
1BQ24075RGTPackage_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mmU7
1Conn_01x02_PinConnector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_HorizontalJ1
1Conn_01x11_SocketConnector_PinSocket_2.54mm:PinSocket_1x11_P2.54mm_VerticalJ2
1DRV2605LDGSPackage_SO:TSSOP-10_3x3mm_P0.5mmU1
1ESP32-S3-WROOM-1RF_Module:ESP32-S3-WROOM-1U2
1FG_ALRTTestPoint:TestPoint_Pad_D2.0mmFG_ALRT1
1GNDTestPoint:TestPoint_Pad_D2.0mmGND1
1MAX17048G_T10MAX17048G_T10:SON50P200X200X80-9NU4
1MAX98357APackage_DFN_QFN:TQFN-16-1EP_3x3mm_P0.5mm_EP1.23x1.23mmU3
1RXTestPoint:TestPoint_Pad_D2.0mmRX1
1SCLTestPoint:TestPoint_Pad_D2.0mmSCL1
1SDATestPoint:TestPoint_Pad_D2.0mmSDA1
1SpeakerConnector_Molex:Molex_PicoBlade_53261-0271_1x02-1MP_P1.25mm_HorizontalLS1
1TPS63020DSJRSLATE:IC_TPS63020DSJRU6
1TXTestPoint:TestPoint_Pad_D2.0mmTX1
1USBLC6-2SC6Package_TO_SOT_SMD:SOT-23-6U5
1USB_C_Receptacle_USB2.0_16PConnector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_HorizontalJ5

Questions

How big is the ESP32 PRELIM DESIGN PCB?

It measures 66 × 40 mm and has 4 copper layers, 1.6 mm thick.

What parts does the ESP32 PRELIM DESIGN use?

82 parts, built around the ESP32-S3-WROOM-1-N8, DRV2605LDGS, TPS63020DSJR and BQ24075RGT. 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 ESP32 PRELIM DESIGN KiCad files?

From the ece49022-team9/slate repository on GitHub, at the commit this page was made from: the board is hardware/ESP32_PRELIM_DESIGN.kicad_pcb and its schematic hardware/ESP32_PRELIM_DESIGN.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the ESP32 PRELIM DESIGN design in my own project?

Its repository states no licence, so its author keeps all rights: ask ece49022-team9 before reusing the design.

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