ATMegaZero ESP32-S2 Development Board

Code name: atmegazero_esp32s2

ATMegaZero ESP32-S2 development board is based on esp32s2 microcontroller and uses xtensa architecture. This board has a maximum CPU frequency of 240 MHz and a flash size of 16MB.

About ATMegaZero ESP32-S2

Raspberry Pi Zero–style ESP32-S2 board - ideal for Linux-style form factor with secure IoT power.

Technical Specifications

🛰️ Connectivity

WiFi 802.11 b/g/n 2.4 GHz
Bluetooth -
BLE -

🧠 Microcontroller

Model esp32s2
Clock Speed 240 MHz
Flash Size 16MB
Architecture xtensa

✨ Features

  • 48 digital IO pins
  • 46 external interrupt pins
  • 20 analog input pins
  • 23 PWM pins

ATMegaZero ESP32-S2 Pins Mapping Arduino IDE

Below you can find the ATMegaZero ESP32-S2 pinout. This development board provides 48 digital IO pins, out of which 46 can be used as external interrupt pins, 20 as analog input pins and 23 pins have Pulse-Width Modulation (PWM).

PinAnalogTouchPWMOther
0
1T1PWM
2T2PWM
3A5T3PWM
4T4PWM
5T5PWM
6A4T6PWM
7T7PWM
8T8PWMSDA
9T9PWMSCL
10T10PWM
11T11PWM
12A3T12PWM
13A2T13PWM
14T14PWM
17A0PWMDAC1
18A1PWMDAC2
35PWMMOSI
36PWMSCK
37PWMMISO
38PWMSS
40PWMNEOPIXEL
43PWMTX
44PWMRX
Analog Analog input pins
Touch Touch pins
Function Function pins
RX / TX Receive/Transmit
LED_BUILTIN Built-in LED
PWM Pulse-Width Modulation

Default Tools

Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modeqio
Boot modeqio
Maximum upload size
1280 Kb
(1310720 B)
Maximum data size
320 Kb
(327680 B)

The ATMegaZero ESP32-S2 development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x1000". Flash mode and boot mode for ATMegaZero ESP32-S2 development board by default is qio and qio respectively.