ESP32 S3 DevKitC 1: high-resolution pinout and specs

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esp32 S3 DevKitC 1 original: pinout
esp32 S3 DevKitC 1 original: pinout

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The evolution of microcontroller technology has changed the face of hardware development, enabling creators to realize complex applications more efficiently and cost-effectively.

The ESP32-S3 DevKitC-1, developed by Espressif Systems, is an exciting entrant in this realm.

ESP32-S3 DevKitC-1 is a small-sized yet powerful development board equipped with the robust ESP32-S3 System-on-Chip (SoC). It features a full Wi-Fi & Bluetooth/BLE 5.0 stack, making it an excellent choice for IoT applications.

This article explores the key features of the ESP32-S3 DevKitC-1 and provides a comprehensive pinout guide for developers.

Here a short selection of esp32s3 ESP32 S3 Purlple AI-S3 - YD-ESP32-S3 - ESP32-S3-DevKitC-1 - ESP32-S3-DevKitC-1 - ESP32-S3 Board screen

Specifications

Key ComponentDescription
ESP32-S3-WROOM-1/1U/2ESP32-S3-WROOM-1, ESP32-S3-WROOM-1U, and ESP32-S3-WROOM-2 are powerful, generic Wi-Fi + Bluetooth LE MCU modules that have a rich set of peripherals. They provide acceleration for neural network computing and signal processing workloads. ESP32-S3-WROOM-1 and ESP32-S3-WROOM-2 comes with a PCB antenna. ESP32-S3-WROOM-1U comes with an external antenna connector.
5 V to 3.3 V LDOPower regulator that converts a 5 V supply into a 3.3 V output.
Pin HeadersAll available GPIO pins (except for the SPI bus for flash) are broken out to the pin headers on the board for easy interfacing and programming. For details, please see Header Block.
USB-to-UART PortA Micro-USB port used for power supply to the board, for flashing applications to the chip, as well as for communication with the chip via the on-board USB-to-UART bridge.
Boot ButtonDownload button. Holding down Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port.
Reset ButtonPress this button to restart the system.
USB PortESP32-S3 full-speed USB OTG interface, compliant with the USB 1.1 specification. The interface is used for power supply to the board, for flashing applications to the chip, for communication with the chip using USB 1.1 protocols, as well as for JTAG debugging.
USB-to-UART BridgeSingle USB-to-UART bridge chip provides transfer rates up to 3 Mbps.
RGB LEDAddressable RGB LED, driven by GPIO48, and you can use LED_BUILTIN (49+48=97) as normal LED.
3.3 V Power On LEDTurns on when the USB power is connected to the board.

In boards featuring ESP32-S3-WROOM-1/1U modules with Octal SPI flash/PSRAM memory, or ESP32-S3-WROOM-2 modules, the GPIO35, GPIO36, and GPIO37 pins are reserved for internal communication between the ESP32-S3 and the SPI flash/PSRAM memory.

Wi-Fi MAC Wi-Fi Baseband Bluetooth LE Link Controller Bluetooth LE Baseband Espressif ESP32-S3 Wi-Fi + Bluetooth® Low Energy SoCCPU and Memory JTAG ROM Xtensa® Dual-core 32-bit LX7 MicroprocessorCache SRAM Digital Signature Security SHA AES RSARNG HMAC Secure Boot RTC RTCMemory PMU ULP Coprocessor Peripherals USB Serial/ JTAG GPIO UART TWAI® General- purpose Timers I2S I2C Pulse Counter LED PWM Camera Interface SPI0/1 RMT SPI2/3 DIG ADC System Timers RTC GPIO Temperature Sensor RTCWatchdog Timer GDMA LCDInterface RTC ADC SDIO Host MCPWM USB OTG eFuse Controller Watchdog TimersTouch Sensor RTC I2C RF2.4 GHz Balun + Switch Fast RC Oscillator Flash Encryption Low power consumption components Wireless Digital CircuitsRFSynthesizer2.4GHzTransmitter2.4GHzReceiverExternalMain ClockPhase Lock Loop

CPU and Memory

  • Xtensa® dual-core 32-bit LX7 microprocessor,
    up to 240 MHz
  • CoreMark® score:
    – 1 core at 240 MHz: 613.86 CoreMark; 2.56 CoreMark/MHz
    – 2 cores at 240 MHz: 1181.60 CoreMark; 4.92 CoreMark/MHz
  • 128-bit data bus and SIMD commands
  • 384 KB ROM
  • 512 KB SRAM
  • 16 KB SRAM in RTC
  • SPI, Dual SPI, Quad SPI, Octal SPI, QPI and OPI interfaces that allow connection to multiple flash and external RAM
  • Flash controller with cache is supported
  • Flash in-Circuit Programming (ICP) is supported

Advanced Peripheral Interfaces

  • 45 × programmable GPIOs
  • Digital interfaces:
    – 4 × SPI
    – 1 × LCD interface (8-bit ~16-bit parallel RGB, I8080 and MOTO6800), supporting conversion between RGB565, YUV422, YUV420 and YUV411
    – 1 × DVP 8-bit ~16-bit camera interface
    – 3 × UART
    – 2 × I2C
    – 2 × I2S
    – 1 × RMT (TX/RX)
    – 1 × pulse counter
    – LED PWM controller, up to 8 channels
    – 1 × full-speed USB OTG
    – 1 × USB Serial/JTAG controller
    – 2 × MCPWM
    – 1 × SDIO host controller with 2 slots
    – General DMA controller (GDMA), with 5 transmit channels and 5 receive channels Espressif Systems 3
    Submit Documentation Feedback ESP32-S3 Series Datasheet v1.6
    – 1 × TWAI® controller, compatible with ISO 11898-1 (CAN Specification 2.0)
  • Analog interfaces:
    – 2 × 12-bit SAR ADCs, up to 20 channels
    – 1 × temperature sensor
    – 14 × touch sensing IOs Timers:
    – 4 × 54-bit general-purpose timers
    – 1 × 52-bit system timer
    – 3 × watchdog timers

Every variant has its Flash management.

Ordering CodeModule IntegratedFlashPSRAMSPI Voltage
ESP32-S3-DevKitC-1-N8ESP32-S3-WROOM-1-N88 MB QD—3.3 V
ESP32-S3-DevKitC-1-N8R2ESP32-S3-WROOM-1-N8R28 MB QD2 MB QD3.3 V
ESP32-S3-DevKitC-1-N8R8ESP32-S3-WROOM-1-N8R88 MB QD8 MB OT3.3 V
ESP32-S3-DevKitC-1-N16R8VESP32-S3-WROOM-2-N16R8V16 MB OT8 MB OT1.8 V
ESP32-S3-DevKitC-1-N32R8VESP32-S3-WROOM-2-N32R8V32 MB OT8 MB OT1.8 V
ESP32-S3-DevKitC-1U-N8ESP32-S3-WROOM-1U-N88 MB QD—3.3 V
ESP32-S3-DevKitC-1U-N8R2ESP32-S3-WROOM-1U-N8R28 MB QD2 MB QD3.3 V
ESP32-S3-DevKitC-1U-N8R8ESP32-S3-WROOM-1U-N8R88 MB QD8 MB OT3.3 V

Wi-Fi

  • IEEE 802.11 b/g/n-compliant
  • Supports 20 MHz, 40 MHz bandwidth in 2.4 GHz band
  • 1T1R mode with data rate up to 150 Mbps
  • Wi-Fi Multimedia (WMM)
  • TX/RX A-MPDU, TX/RX A-MSDU
  • Immediate Block ACK
  • Fragmentation and defragmentation
  • Automatic Beacon monitoring (hardware TSF)
  • 4 × virtual Wi-Fi interfaces
  • Simultaneous support for Infrastructure BSS in Station, SoftAP, or Station + SoftAP modes Note that when ESP32-S3 scans in Station mode, the SoftAP channel will change along with the Station channel
  • Antenna diversity
  • 802.11mc FTM
esp32 S3 DevKitC 1 original: led on
esp32 S3 DevKitC 1 original: led on

Bluetooth

  • Bluetooth LE: Bluetooth 5, Bluetooth mesh
  • High power mode (20 dBm)
  • Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
  • Advertising extensions
  • Multiple advertisement sets
  • Channel selection algorithm #2
  • Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna

Low Power Management

  • Power Management Unit with five power modes
  • Ultra-Low-Power (ULP) coprocessors:
    – ULP-RISC-V coprocessor
    – ULP-FSM coprocessor
ESP32-S3 DevKitC 1 v2 annotated photo
ESP32-S3 DevKitC 1 v2 annotated photo

Security

  • Secure boot
  • Flash encryption
  • 4-Kbit OTP, up to 1792 bits for users
  • Cryptographic hardware acceleration:
    – AES-128/256 (FIPS PUB 197)
    – Hash (FIPS PUB 180-4)
    – RSA
    – Random Number Generator (RNG)
    – HMAC
    – Digital signature

How to

  1. ESP32: pinout, specs and Arduino IDE configuration
  2. ESP32: integrated SPIFFS Filesystem
  3. ESP32: manage multiple Serial and logging
  4. ESP32 practical power saving
    1. ESP32 practical power saving: manage WiFi and CPU
    2. ESP32 practical power saving: modem and light sleep
    3. ESP32 practical power saving: deep sleep and hibernation
    4. ESP32 practical power saving: preserve data, timer and touch wake up
    5. ESP32 practical power saving: external and ULP wake up
    6. ESP32 practical power saving: UART and GPIO wake up
  5. ESP32: integrated LittleFS FileSystem
  6. ESP32: integrated FFat (Fat/exFAT) FileSystem
  7. ESP32-wroom-32
    1. ESP32-wroom-32: flash, pinout, specs and IDE configuration
  8. ESP32-CAM
    1. ESP32-CAM: pinout, specs and Arduino IDE configuration
    2. ESP32-CAM: upgrade CamerWebServer with flash features
  9. ESP32: use ethernet w5500 with plain (HTTP) and SSL (HTTPS)
  10. ESP32: use ethernet enc28j60 with plain (HTTP) and SSL (HTTPS)
  11. How to use SD card with esp32
  12. esp32 and esp8266: FAT filesystem on external SPI flash memory
  1. Firmware and OTA update management
    1. Firmware management
      1. ESP32: flash compiled firmware (.bin)
      2. ESP32: flash compiled firmware and filesystem (.bin) with GUI tools
    2. OTA update with Arduino IDE
      1. ESP32 OTA update with Arduino IDE: filesystem, firmware, and password
    3. OTA update with Web Browser
      1. ESP32 OTA update with Web Browser: firmware, filesystem, and authentication
      2. ESP32 OTA update with Web Browser: upload in HTTPS (SSL/TLS) with self-signed certificate
      3. ESP32 OTA update with Web Browser: custom web interface
    4. Self OTA uptate from HTTP server
      1. ESP32 self OTA update firmware from the server
      2. ESP32 self OTA update firmware from the server with version check
      3. ESP32 self-OTA update in HTTPS (SSL/TLS) with trusted self-signed certificate
    5. Non-standard Firmware update
      1. ESP32 firmware and filesystem update from SD card
      2. ESP32 firmware and filesystem update with FTP client
  1. Integrating LAN8720 with ESP32 for Ethernet Connectivity with plain (HTTP) and SSL (HTTPS)
  2. Connecting the EByte E70 to ESP32 c3/s3 devices and a simple sketch example
  3. ESP32-C3: pinout, specs and Arduino IDE configuration
Support forum

Datasheet

ESP32s3 datasheet

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Board Schematic

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PCB size

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Thanks


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6 Responses

  1. Oleksandr says:
    29 June 2023 at 13:43

    Hi Renzo
    How and where have you created this beautiful pinout chart?
    I have thos board from aliexpress https://s.click.aliexpress.com/e/_DEHFK9x
    I can’t find enough details so far and willing to create at least a pinout for myself and others)

    Thanks in advance!

    Reply
    • Renzo Mischianti says:
      29 June 2023 at 14:06

      Hi Oleksandr,
      I did It with a standard graphical editor, for the specs I search on datasheet.
      I already have one of that, and I’m going to publish the pinout soon.
      Bye Renzo

      Reply
  2. Marius Veltmaat says:
    17 January 2024 at 23:19

    AFAIK are the default SPI pins on an ESP32-S3:
    SS = 10; MOSI = 11; SCK = 12; and MISO = 13.

    //Find the default SPI pins for your board
    //Make sure you have the right board selected in Tools > Boards
    Serial.println(“\nDefault SPI pins for this board:”) ;
    Serial.print(” SS: “);
    Serial.println(SS);
    Serial.print(“MOSI: “);
    Serial.println(MOSI);
    Serial.print(” SCK: “);
    Serial.println(SCK);
    Serial.print(“MISO: “);
    Serial.println(MISO);

    Reply
    • Renzo Mischianti says:
      18 January 2024 at 11:47

      Hi Marius,
      I select the standard ESP32S3 Dev Module and I have this pin_variant

      
static const uint8_t TX = 43;
static const uint8_t RX = 44;

static const uint8_t SDA = 8;
static const uint8_t SCL = 9;

static const uint8_t SS    = 10;
static const uint8_t MOSI  = 11;
static const uint8_t MISO  = 13;
static const uint8_t SCK   = 12;

      I use the core 2.0.11.

      Can you check with your setting.
      Thanks Renzo

      Reply
  3. Joel Le Cam says:
    1 February 2024 at 12:11

    Hi ,

    I found a mistake on your ESP32 S”3 pin out picture on the top of this page. I think that you have invert SPI MISO and SPI CLK pin . GPIO12 is CLK and GPIO13 is MISO in the Espressif standard pinout document.

    Best regards

    Reply

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