ESP32-S3 DevKitC-1 Guide

Thought for 7 mins 33 sec
Thought for 10 sec
Read user_guide.html.
Found 10 results for ESP32-S3-DevKitC-1 N8R8 DigiKey Mouser packaging minimum quantity.
Found 8 results for Arduino Nano ESP32 ABX00092 Adafruit ESP32-S3 Feather 5477 official.
Thought for 8 sec
Referenced guidance.
Thought for 9 sec
Created 2 tasks.
1/2 Research and write the cited board application guide.
Accessed knowledge for the next task.
Thought for 21 sec
Awaiting 1 task
Thought for 7 sec
2/2 Verify the saved guide against the requested structure and source evidence.

Research and write the cited board application guide.

Verify the saved guide against the requested structure and source evidence.

Accessed knowledge for the next task.
"ESP32-S3 DevKitC-1 Guide" completed.

flux

The guide is drafted with all 44 header pins and board-specific integration guidance. I’m checking the citations and purchasing details; the exact memory variant, board revision, and complete-board current and temperature limits remain explicitly unverified.
Thought for 3 mins 6 sec
Thought for 37 sec
Thought for 9 sec
Awaiting 1 task
"ESP32-S3 DevKitC-1 Guide" completed.

flux

Created the ESP32-S3-DevKitC-1 Application and Usage Guide in project files, covering all seven requested sections, the 44-pin header pinout, integration guidance, alternatives, sourcing, and citations.
Unverified board variant, revision, and complete-board electrical/thermal limits are explicitly flagged rather than inferred from chip ratings.
Sign up to send

Files

Pins

Symbol

Layout

3D View

ESP32-S3-DevKitC-1 Application and Usage Guide
The ESP32-S3-DevKitC-1 is a complete development board built around an ESP32-S3-WROOM-1, -1U, or -2 module, exposing Wi-Fi, Bluetooth Low Energy, USB, and peripheral GPIO for rapid development. It is commonly used for Wi-Fi/BLE IoT prototyping, firmware development, and evaluating sensors, displays, and other 3.3 V peripherals.
The exact memory suffix and hardware revision in this project are unverified because the project contains no BOM/component properties; confirm the module can marking and whether the RGB LED is on GPIO38 (v1.1) or GPIO48 (initial revision) before assigning pins.
1. Quick Specifications

Table

AttributeRecommended / normal useAbsolute maximum / limitScope and notes
USB / 5V input5 V nominal through either Micro-USB port, or 5V + G headerComplete-board maximum is unverifiedEspressif recommends USB as the default supply; USB, 5V-header, and 3V3-header methods are mutually exclusive.
3V3 header inputRegulated 3.3 VComplete-board maximum is unverified; the underlying ESP32-S3 silicon power pins are rated −0.3 to 3.6 V, but this is not a full-board rating. Bypasses the onboard 3.3 V regulator; do not feed 5 V into 3V3.
GPIO logic3.3 V domain; at VDD = 3.3 V, VIH ≥ 0.75×VDD and VIL ≤ 0.25×VDDInput range in the silicon DC table reaches −0.3 V to VDD + 0.3 V; this is not permission to use 5 V logic. Use level shifting for 5 V peripherals; board-level GPIO current limits are not specified in the DevKitC-1 guide.
Supply capabilityUse a source capable of at least 500 mA for the ESP32-S3 power domain; allow extra margin for peripherals. Maximum safe current through the complete board, regulator, USB connectors, and headers is unverifiedPower high-current loads separately and join grounds.
TemperatureBoard-level operating range is unverifiedBoard-level storage and operating maxima are unverifiedDo not transfer chip/module thermal limits to the assembled development board.
Board packageAssembled development board, 62.74 mm × 25.40 mm —Two 1×22 through-hole headers; not a surface-mount module.
Header geometry2.54 mm pin pitch ; 22.86 mm row-center spacing is derived from the drawing and not independently verified—Overall width is 25.40 mm.
Wireless2.4 GHz 802.11 b/g/n Wi-Fi and Bluetooth Low Energy —WROOM-1/WROOM-2 use PCB antennas; WROOM-1U uses an external antenna connector.
MemorySuffix-dependent; for example, N8R8 provides 8 MB Quad-SPI flash and 8 MB Octal-SPI PSRAM, while N32R16V provides 32 MB Octal-SPI flash and 16 MB Octal-SPI PSRAM. Project variant is unverifiedThe V variants in the board table use a 1.8 V SPI memory interface; this is not a 1.8 V GPIO rating.
2. Pinout & Connections
The following numbering is the board header numbering for J1 and J3, not ESP32-S3-WROOM module pad numbering. J1 functions are from the official board guide. J3 functions and the revision-dependent LED assignment are from the same guide; GPIO38 is the v1.1 LED pin, while GPIO48 is the initial-revision LED pin.

Table

Pin NumberPin NameDescriptionBest Practice
J1-13V33.3 V railOutput when USB/5V powered; only use as input from a clean regulated 3.3 V source with other power paths disconnected.
J1-23V33.3 V railSame net as J1-1; avoid paralleling external regulators.
J1-3RSTModule EN/resetPull low momentarily to reset; do not hold low during normal operation.
J1-4GPIO4RTC GPIO, touch 4, ADC1_CH3Good general GPIO/ADC/touch choice; keep analog source impedance modest.
J1-5GPIO5RTC GPIO, touch 5, ADC1_CH4General GPIO/ADC/touch.
J1-6GPIO6RTC GPIO, touch 6, ADC1_CH5General GPIO/ADC/touch.
J1-7GPIO7RTC GPIO, touch 7, ADC1_CH6General GPIO/ADC/touch.
J1-8GPIO15U0RTS, ADC2_CH4, 32 kHz crystal PAvoid if firmware needs UART0 flow control or external 32 kHz crystal.
J1-9GPIO16U0CTS, ADC2_CH5, 32 kHz crystal NAvoid if firmware needs UART0 flow control or external 32 kHz crystal.
J1-10GPIO17U1TXD, ADC2_CH6Convenient UART1 TX.
J1-11GPIO18U1RXD, ADC2_CH7, CLK_OUT3Convenient UART1 RX.
J1-12GPIO8Touch 8, ADC1_CH7, SUBSPICS1General GPIO; suitable for remapped digital buses.
J1-13GPIO3Touch 3, ADC1_CH2Strapping-related behavior may affect debug/JTAG configuration; avoid hard external drive at reset unless checked.
J1-14GPIO46Boot-mode strapping inputKeep its reset-level compatible with boot requirements; it defaults weak-low.
J1-15GPIO9Touch 9, ADC1_CH8, FSPIHDGeneral GPIO unless using the corresponding SPI signal.
J1-16GPIO10Touch 10, ADC1_CH9, FSPICS0/FSPIIO4General GPIO or SPI chip select/data.
J1-17GPIO11Touch 11, ADC2_CH0, FSPID/FSPIIO5General GPIO or SPI data.
J1-18GPIO12Touch 12, ADC2_CH1, FSPICLK/FSPIIO6General GPIO or SPI clock; route clocks short.
J1-19GPIO13Touch 13, ADC2_CH2, FSPIQ/FSPIIO7General GPIO or SPI data.
J1-20GPIO14Touch 14, ADC2_CH3, FSPIWP/FSPIDQSGeneral GPIO or SPI write-protect/data strobe.
J1-215VBoard 5 V railUse as power input only when USB and 3V3 external power are disconnected; do not exceed board limits, which are unverified.
J1-22GGroundConnect peripheral return current here or at another G pin.
J3-1GGroundGround reference.
J3-2TX / GPIO43UART0 TX, CLK_OUT1Used by onboard USB-to-UART programming/logging; avoid contention.
J3-3RX / GPIO44UART0 RX, CLK_OUT2Used by onboard USB-to-UART programming; keep external driver 3.3 V and non-contending.
J3-4GPIO1Touch 1, ADC1_CH0Good ADC/touch/general GPIO.
J3-5GPIO2Touch 2, ADC1_CH1General GPIO; verify reset-time loading in boot-sensitive designs.
J3-6GPIO42MTMS/JTAGGeneral GPIO if JTAG is not required.
J3-7GPIO41MTDI/JTAG, CLK_OUT1General GPIO if JTAG is not required.
J3-8GPIO40MTDO/JTAG, CLK_OUT2General GPIO if JTAG is not required.
J3-9GPIO39MTCK/JTAG, CLK_OUT3General GPIO if JTAG is not required.
J3-10GPIO38FSPIWP; RGB LED on v1.1Confirm revision; driving the onboard addressable LED can affect this pin.
J3-11GPIO37SPIDQS/FSPIQUnavailable externally on WROOM-1/1U variants using Octal flash/PSRAM and on WROOM-2.
J3-12GPIO36SPIIO7/FSPICLKUnavailable externally on WROOM-1/1U variants using Octal flash/PSRAM and on WROOM-2.
J3-13GPIO35SPIIO6/FSPIDUnavailable externally on WROOM-1/1U variants using Octal flash/PSRAM and on WROOM-2.
J3-14GPIO0Boot-mode strapping; BOOT buttonKeep high for normal SPI boot; hold BOOT then press RESET for download mode.
J3-15GPIO45VDD_SPI/JTAG-related strappingAvoid strong external pull at reset; do not assume it is a freely driven pin during boot.
J3-16GPIO48Differential SPI clock; RGB LED on initial revisionConfirm revision before use; initial boards load this pin with the RGB LED.
J3-17GPIO47Differential SPI clockGeneral GPIO unless differential SPI function is used.
J3-18GPIO21RTC GPIOGeneral-purpose digital GPIO.
J3-19GPIO20USB D+, ADC2_CH9, U1CTSReserved for native USB when that port is used; route as a matched USB pair with GPIO19 on a carrier.
J3-20GPIO19USB D−, ADC2_CH8, U1RTSReserved for native USB when that port is used; route as a matched USB pair with GPIO20 on a carrier.
J3-21GGroundGround reference.
J3-22GGroundGround reference.
GPIO0 and GPIO46 control boot mode: SPI boot uses GPIO0 = 1, while joint download boot requires GPIO0 = 0 and GPIO46 = 0; GPIO0 defaults weak-high and GPIO46 weak-low.
3. Standard Application Circuit
For bench use, connect the board directly to a host through the USB-to-UART Micro-USB port for power, flashing, and serial logs. The official schematic shows onboard USB-to-UART, regulation, reset/boot, auto-programming, indicator, and decoupling circuitry; individual component identities are drawing-derived and therefore treated as unverified by machine-readable evidence. See the Espressif v1.1 schematic, and do not duplicate these functions as though they were absent.
For embedded use on a carrier or breadboard:
  • Choose exactly one supply path: USB, regulated 5 V to J1-21 plus GND, or regulated 3.3 V to J1-1/J1-2 plus GND. The three methods are mutually exclusive.
  • Size the source for at least 500 mA at the ESP32-S3 supply domain and add margin for radio peaks and external loads.
  • Place local bypassing at external peripherals (typically 100 nF per IC plus suitable bulk capacitance near load steps); the DevKitC-1 itself already contains its required regulator capacitors and module decoupling.
  • Use J3-2/J3-3 for UART0 only when the onboard USB-to-UART interface will not contend. Native USB uses GPIO20 D+ and GPIO19 D− through the board’s dedicated ESP32-S3 USB Micro-USB connector.
  • For manual download mode, hold BOOT, press RESET, then release the buttons to enter firmware download mode through the serial port. Automatic DTR/RTS flashing behavior is schematic-derived and not independently verified here.
  • Interface all external digital signals at 3.3 V logic. Add a bidirectional or direction-appropriate level shifter for 5 V devices; do not rely on clamp diodes for steady-state translation.
4. PCB Layout & Routing Guidelines
  • When mounting the complete board on a carrier, keep copper, ground planes, batteries, metal, and tall components away from the module antenna end; extend the board beyond the carrier edge where practical.
  • Use the official mechanical envelope: 62.74 mm × 25.40 mm with 2.54 mm longitudinal pin pitch. The 22.86 mm header-row spacing is derived from the drawing and not independently verified; measure the actual board before committing enclosure or mating-PCB tooling.
  • Route GPIO19/GPIO20 together as a short, tightly coupled USB D−/D+ pair when using native USB; minimize stubs and avoid routing beneath noisy switch nodes.
  • Keep analog inputs away from USB, SPI clocks, RGB LED current paths, and antenna/RF regions; provide a quiet ground return and optional RC filtering at the sensor source.
  • Put bulk capacitance at the carrier power entry and close decoupling to each external peripheral, but do not add redundant reset, regulator, or module decoupling networks already present on the DevKitC-1.
5. Common Pitfalls / Things to Watch Out For
  1. Variant and revision ambiguity: The project name does not identify the memory suffix or PCB revision. GPIO35–37 are unavailable on WROOM-1/1U boards using Octal flash/PSRAM and on WROOM-2 boards. The RGB LED moves from GPIO48 on the initial revision to GPIO38 on v1.1. Confirm the module suffix and LED behavior before final firmware or wiring.
  2. Power and logic misuse: Do not connect multiple power paths, feed 5 V into 3V3, or apply 5 V logic to GPIO. The published chip/module electrical limits are not complete-board connector/regulator current or thermal ratings; those board maxima remain unverified.
6. Popular Alternatives & Equivalents

Table

BoardManufacturerRelevant featuresCompatibility status
Arduino Nano ESP32 (ABX00092)ArduinoESP32-S3-based NORA-W106 module, 16 MB flash, 8 MB RAM, USB-C, Nano form factorFunctional alternative only; not a verified drop-in. Different dimensions, headers, power architecture, and pin mapping.
Adafruit ESP32-S3 Feather, PID 5477Adafruit4 MB flash, 2 MB PSRAM, USB-C, Feather form factor, LiPo charger and fuel gaugeFunctional alternative only; not a verified drop-in. Different dimensions, headers, power architecture, and pin mapping.
No third-party board has been verified as a mechanical-and-electrical drop-in replacement for the 44-pin ESP32-S3-DevKitC-1 header arrangement. Flux library availability for these alternatives was not verified, so no library links are provided.
7. Sourcing & Purchasing Guide

Table

AttributeDetails
ManufacturerEspressif Systems
Exact suffix selectionOrder the complete code, for example ESP32-S3-DEVKITC-1-N8R8; do not accept “ESP32-S3-DevKitC-1” alone when memory or antenna type matters.
Distributor listingsListings are available from DigiKey, Mouser, and TME. Verify current authorized-distributor status with Espressif before purchasing.
Verified distributor exampleThe DigiKey ESP32-S3-DEVKITC-1-N8R8 listing identifies DigiKey PN 1965-ESP32-S3-DEVKITC-1-N8R8-ND, Bulk packaging, and MOQ 1. The manufacturer standard package of 392 is not the MOQ. Pricing and stock are time-sensitive and should be refreshed at order time.
PackagingRetail samples may arrive individually in an antistatic bag or retailer packaging; wholesale orders are supplied in larger cardboard cartons. Distributor listings commonly describe the board as Bulk.
MOQCommonly 1 through retail distributors; volume carton quantity varies. Confirm the order line rather than inferring MOQ from “manufacturer standard package.”
Suffix checksVerify flash/PSRAM size, WROOM-1 PCB antenna versus WROOM-1U external antenna, WROOM-2 memory type, and V memory-voltage suffix. N8R8 is 8 MB Quad flash + 8 MB Octal PSRAM.
Counterfeit / substitution advicePrefer Espressif-authorized distributors; inspect the exact module marking, board silkscreen, connector type, antenna style, and RGB LED GPIO behavior. Reject listings that omit the full suffix or show incompatible photos/specifications.
Revision adviceInitial and v1.1 boards coexist in the market. If GPIO38 or GPIO48 availability matters, verify the physical board revision or test the RGB LED before production fixtures and firmware pin maps are frozen.
Sources

  • 1. Quick Specifications

  • 2. Pinout & Connections

  • 3. Standard Application Circuit

  • 4. PCB Layout & Routing Guidelines

  • 5. Common Pitfalls / Things to Watch Out For

  • 6. Popular Alternatives & Equivalents

  • 7. Sourcing & Purchasing Guide

  • Sources