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Adafruit Metro ESP32-S2 image

Adafruit Metro ESP32-S2

Development Board

Code name: METRO_ESP32S2

Adafruit Metro ESP32-S2 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 Adafruit Metro ESP32-S2

Full-size ESP32-S2 dev board with USB-C and STEMMA QT - great for breadboarding and secure applications.

📋 Technical Specifications

Complete technical specification details for Adafruit Metro ESP32-S2

🛰️ 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 27
Interrupts 46

Adafruit Metro ESP32-S2 Pinout Diagram

Complete pin reference for Adafruit Metro ESP32-S2

Adafruit Metro ESP32-S2 pinout

Useful Links

Datasheets and resources for Adafruit Metro ESP32-S2

Pin Mappings

Complete pinout and GPIO mapping for Adafruit Metro ESP32-S2

48
Digital I/O Pins
46
Interrupt Pins
20
Analog Inputs
27
PWM Pins
PinAnalogTouchPWMOther
0
1A2T1PWMNEOPIXEL_NUM
2A3T2PWM
3A4T3PWM
4A5T4PWM
5A6T5PWMTX
6A7T6PWMRX
7A8T7PWM
8A9T8PWM
9A10T9PWM
10A11T10PWM
11A12T11PWM
12A13T12PWM
13A14T13PWM
14A15T14PWM
15A16PWM
16A17PWM
17A0PWMDAC1
18A1PWMDAC2
19A18PWM
20A19PWM
33PWMSDA
34PWMSCL
35PWMMOSI
36PWMSCK
37PWMMISO
42PWMLED_BUILTIN SS
45PWM
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 Adafruit Metro ESP32-S2

SettingValue
Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modedio
Boot modeqio
Maximum upload size
1280 KB (1310720 bytes)
Maximum data size
320 KB (327680 bytes)
Configuration Summary

The Adafruit Metro ESP32-S2 uses esptool_py for uploads , esp_ota for OTA updates, and esptool_py bootloader at 0x1000.

Flash mode: dio | Boot mode: qio

Max sketch size: 1280 KB | Max data size: 320 KB