u-blox NORA-W10 series (ESP32-S3)

Development Board

Code name: UBLOX_NORA_W10

u-blox NORA-W10 series (ESP32-S3) is a development board based on the ESP32S3 microcontroller using XTENSA architecture.

This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.

About u-blox NORA-W10 series (ESP32-S3)

A series of modules combining Wi-Fi and Bluetooth connectivity with enhanced security features, designed for IoT applications.

Technical Specifications

Complete technical specification details for u-blox NORA-W10 series (ESP32-S3)

Connectivity

WiFi 802.11 b/g/n (2.4 GHz)

Bluetooth 5.0

BLE 5.0

Microcontroller

Model esp32s3

Clock Speed 240 MHz

Flash Size 4MB

Architecture xtensa

✨ Features & Pins

Digital IO 48

Analog Input 20

PWM 28

Interrupts 46

Quick Setup

Copy-paste configs for u-blox NORA-W10 series (ESP32-S3) - auto‑generated from this board's exact hardware specs.

ESP32S3 240 MHz 4MB DIO Xtensa

In Arduino IDE 2 select Ublox Nora W10 from the esp32 by Espressif package. In PlatformIO use board = esp32-s3-devkitm-1. ESP32S3 · 240 MHz · 4MB · DIO.

Tools menu settings

Board (select in Arduino IDE) Ublox Nora W10

CPU Frequency 240 MHz

Flash Size 4MB

Flash Mode DIO

Upload Speed 921600

Architecture Xtensa

In Arduino IDE 2, open Boards Manager, search "esp32" by Espressif and install it. Then go to Tools → Board and select "Ublox Nora W10" for the u-blox NORA-W10 series (ESP32-S3).

platformio.ini


[env:nora_w10]
platform  = espressif32
board     = esp32-s3-devkitm-1
framework = arduino

; Exact hardware config for u-blox NORA-W10 series (ESP32-S3)
board_build.mcu        = esp32s3
board_build.f_cpu      = 240000000L
board_build.flash_size = 4MB
board_build.flash_mode = dio
board_upload.flash_size = 4MB

The board value is a close generic match - check PlatformIO board registry for an exact fit.

esp32: block (YAML)


esp32:
  board: esp32-s3-devkitc-1
  framework:
    type: arduino   # or "esp-idf"

# u-blox NORA-W10 series (ESP32-S3) - 240 MHz ESP32S3
# Flash: 4MB | USB: N/A

Paste into your device's .yaml. See ESPHome ESP32 docs for full options.

esptool.py - flash command


esptool.py \
  --chip esp32s3 \
  --baud 921600 \
  write_flash \
    --flash_mode dio \
    --flash_size 4MB \
    0x0 bootloader.bin \
    0x8000    partitions.bin \
    0xe000    boot_app0.bin \
    0x10000   firmware.bin

Install: pip install esptool - replace firmware.bin with your binary - bootloader at 0x0

Useful Links

Datasheets and resources for u-blox NORA-W10 series (ESP32-S3)

ESP32S3 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for u-blox NORA-W10 series (ESP32-S3)

Digital I/O Pins

Interrupt Pins

Analog Inputs

PWM Pins

Pin	Analog	Touch	PWM	Other
0				SW2 SCL1
1		T1	PWM	DTR
2		T2	PWM	LED_GREEN
3		T3	PWM
4		T4	PWM
5	A3	T5	PWM	LED_RED
6		T6	PWM	CTS
7		T7	PWM	DSR
8		T8	PWM
9		T9	PWM
10		T10	PWM
11	A0	T11	PWM
12	A1	T12	PWM
13	A2	T13	PWM
14		T14	PWM
15	A4		PWM
16	A5		PWM
17			PWM	SCL
18			PWM	SDA
33			PWM
34			PWM	SS
35			PWM	MOSI
36			PWM	SCK
37			PWM	MISO
43			PWM	TX
44			PWM	RX
45			PWM	RTS
46				SW1
47				SW3
48				SW4
				LED_BLUE =
38			PWM
21			PWM	SDA1
1 //
7 //

Legend

A0 Analog input

T0 Touch sensor

PWM PWM capable

RX/TX Serial pins

LED Built-in LED

# Pin number

Default Tools & Configuration

Build and upload settings for u-blox NORA-W10 series (ESP32-S3)

Setting	Value
Bootloader tool	esptool_py
Uploader tool	esptool_py
Network uploader tool	esp_ota
Bootloader address	`0x0`
Flash mode	dio
Boot mode	qio
PSRAM type	qspi
Maximum upload size	1280 KB (1310720 bytes)
Maximum data size	320 KB (327680 bytes)