OLIMEX ESP32-EVB Development Board

Code name: ESP32_EVB

OLIMEX ESP32-EVB development board is based on esp32 microcontroller and uses xtensa architecture. This board has a maximum CPU frequency of 240 MHz and a flash size of 4MB.

About OLIMEX ESP32-EVB

ESP32 board with relays and Ethernet β€” built for industrial control and automation systems.

Technical Specifications

πŸ›°οΈ Connectivity

WiFi 802.11 b/g/n (2.4 GHz)
Bluetooth 4.2
BLE 4.2

🧠 Microcontroller

Model esp32
Clock Speed 240 MHz
Flash Size 4MB
Architecture xtensa

✨ Features

  • 40 digital IO pins
  • 16 external interrupt pins
  • 16 analog input pins
  • 9 PWM pins

OLIMEX ESP32-EVB Pinout

OLIMEX ESP32-EVB Pins Mapping Arduino IDE

Below you can find the OLIMEX ESP32-EVB pinout. This development board provides 40 digital IO pins, out of which 16 can be used as external interrupt pins, 16 as analog input pins and 9 pins have Pulse-Width Modulation (PWM).

PinAnalogTouchPWMOther
1PWMTX
2PWMMOSI
3PWMRX
4PWMTX1
13PWMSDA
14PWMSCK
15PWMMISO
16PWMSCL
17PWMSS
34KEY_BUILTIN
36RX1
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 modedio
Boot modedio
Maximum upload size
1280 Kb
(1310720 B)
Maximum data size
320 Kb
(327680 B)

The OLIMEX ESP32-EVB 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 OLIMEX ESP32-EVB development board by default is dio and dio respectively.