KiCad 9: Design an ESP32-S3 IoT 4-layer PCB with sensor and QWIIC interface. Complete Guide.

Thanks PCBWay for sponsoring this video - https://pcbway.com/g/i8683S - Use this link for $5 new user free credit.

Complete step-by-step PCB design process going through the schematic creation, layout, and routing of an
ESP32-S3 Testboard.

The main feautures for this board are:
- ESP32-S3 WiFi Module - 8 MB flash
- Si7021 high precision temperature and humidity sensor
- QWIIC connector
- USB-C connector (power / programming)
- Buttons for BOOT and RESET
- User Button
- User RGB LED
- 2x5 pin SPI bus expansion header
- 2x3 pin programming header
- Power LED on 3.3V rail
For the mechanical side of things we have:
- 4 x 3.2mm mounting holes
- Size 50x50mm
- 4 layer board design

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▶ Refererral link:
https://pcbway.com/g/i8683S

▶ Order PCB, check project here:
https://www.pcbway.com/project/shareproject/ESP32_S3_Testboard_5289bfef.html



SnapEDA:
https://www.snapeda.com/parts/SM04B-SRSS-TB%28LF%29%28SN%29/JST%20Sales/view-part/?ref=search&t=SM04B-SRSS-TB%28LF%29%28SN%29&ab_test_case=b

Sparkfun QWIIC:
https://www.sparkfun.com/qwiic

ESP32-S3 datasheet:
https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf
https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf

http://wiki.fluidnc.com/en/hardware/ESP32-S3_Pin_Reference

Github:
https://github.com/mortens-lab

Links to hardware and tools I use:

Tool (MHP50 - Mini Hot Plate Preheater)
https://pcbway.com/s/h9X3VF

Tool (AMTECH VS-213-A-TF Flux)
https://northridgefix.com/product/amtech-vs-213-a-tf-flux-10g-syringe-plunger-2-needle-sizes/?ref=mortendk

Tool (AMTECH NC-559-V2-TF Flux)
https://northridgefix.com/product/amtech-nc-559-v2-tf-flux-10ml-syringe-plunger-2-needle-sizes/?ref=mortendk

Tool (CAMERA BUNDLE)
https://northridgefix.com/product/microscope-camera-bundle-1080-60fps-180x-lens-ring-adapter-2-barlow-lenses-0-5x-0-75x/?ref=mortendk

Tool (ANTI GLARE LIGHT)
https://northridgefix.com/product/microscope-camera-bundle-1080-60fps-180x-lens-ring-adapter-2-barlow-lenses-0-5x-0-75x/?ref=mortendk

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#iot #tutorial #kicad