Skip to main content
ESPBoards

OLIMEX ESP32-EVB Development Board Pinout and Technical Specifications

Code name: ESP32_EVB

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


Quick Links

OLIMEX ESP32-EVB imageOLIMEX ESP32-EVB imageOLIMEX ESP32-EVB imageOLIMEX ESP32-EVB image

OLIMEX ESP32-EVB Specs

Below you can find the specifications of OLIMEX ESP32-EVB, such as features, connectivity options, and OLIMEX ESP32-EVB technical specs.

Features

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

Connectivity

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

Technical specs

Clock Speed240 MHz
Flash size4MB
Microcontrolleresp32
Architecturextensa

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 an 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 (RX) / Transmit (TX)
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
PSRAM type
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.