Franzininho WiFi MSC

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Development Board

Code name: FRANZININHO_WIFI_MSC

ESP32S2

Franzininho WiFi MSC is a development board based on the ESP32S2 microcontroller using XTENSA architecture.

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

About Franzininho WiFi MSC

ESP32-S2 board with USB MSC boot - great for beginners and OTA or USB file-based programming.

Technical Specifications

Complete technical specification details for Franzininho WiFi MSC

Connectivity

WiFi 802.11 b/g/n 2.4 GHz

Bluetooth -

BLE -

Microcontroller

Model esp32s2

Clock Speed 240 MHz

Flash Size 4MB

Architecture xtensa

✨ Features & Pins

Digital IO 48

Analog Input 20

PWM 26

Interrupts 46

Quick Setup

Copy-paste configs for Franzininho WiFi MSC - auto‑generated from this board’s exact hardware specs.

ESP32S2 240 MHz 4MB DIO Xtensa

In Arduino IDE 2 select Franzininho Wifi Msc from the esp32 by Espressif package. In PlatformIO use board = esp32-s2-saola-1. ESP32S2 · 240 MHz · 4MB · DIO.

Arduino IDE PlatformIO ESPHome esptool

Tools menu settings Copy

Board (select in Arduino IDE) Franzininho Wifi Msc

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 “Franzininho Wifi Msc” for the Franzininho WiFi MSC.

platformio.ini Copy

[env:franzininho_wifi_msc_esp32s2]
platform  = espressif32
board     = esp32-s2-saola-1
framework = arduino

; Exact hardware config for Franzininho WiFi MSC
board_build.mcu        = esp32s2
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) Copy

esp32:
  board: esp32-s2-saola-1
  framework:
    type: arduino   # or "esp-idf"

# Franzininho WiFi MSC - 240 MHz ESP32S2
# Flash: 4MB | USB: N/A

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

esptool.py - flash command Copy

esptool.py \
  --chip esp32s2 \
  --baud 921600 \
  write_flash \
    --flash_mode dio \
    --flash_size 4MB \
    0x1000 bootloader.bin \
    0x8000    partitions.bin \
    0xe000    boot_app0.bin \
    0x10000   firmware.bin

Install: pip install esptool - replace firmware.bin with your binary - bootloader at 0x1000

Useful Links

Datasheets and resources for Franzininho WiFi MSC

[

ESP32S2 Datasheet

Microcontroller reference

](https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf)

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