This is the ultimate ESP32 IoT board with a wired 100Mb Ethernet Interface, Bluetooth LE, WiFi, Remote control IR and CAN connectivity! The board can operate with a single LiPo backup battery (like a UPS) and has an internal LiPo battery charger (there is no step-up converter though, so relays, CAN and USB power will not work over battery). The two onboard relays allow you to switch power appliances on and off rated to 10A/250VAC (15A/120VAC 15A/24VDC) with status LEDs for visual feedback. The board can be powered via a robust barrel jack (5V DC), or via Micro-USB (including programming). A number of demo software files are available on GitHub. Features * ESP32-WROOM-32E * Built-in programmer for Arduino and ESP-IDF * WiFi and BLE connectivity * Ethernet 100Mb interface * MicroSD card port * 2 x 10A/250VAC (15A/120VAC 15A/24VDC) relays with connectors and status LEDs * CAN interface * IR received and transmitter, up to 5 meters distance * LiPo charger for stand-alone operation during power breaks with 4 status LEDs * Power jack for external power supply, 5V DC * UEXT connector to connect UEXT modules * Reset and user buttons * GPIO 40-pin connector with all ESP32 ports * Dimensions: 75mm x 75mm Resources Documents * Schematic * ESP32-EVB European Declaration of Conformity * ESP32-EVB UKCA Declaration of Conformity Hardware * GitHub Software * ESP-IDF Software Demos * Works with Arduino for ESP32 * Refer to this document if there are any issues USB Drivers * USB driver for Windows * USB driver for Linux (for old kernels; pre-3.14.x) * USB driver for Mac * USB driver for Android Package Contents * 1x ESP32-EVB Development Board https://elecena.pl/product/23570122/olimex-esp32-evb-development-board 2023-05-31 https://elecena.pl/product/23570122/olimex-esp32-evb-development-board 2023-12-27 https://elecena.pl/product/23570122/olimex-esp32-evb-development-board 2024-09-18 https://elecena.pl/product/23570122/olimex-esp32-evb-development-board 2024-11-29 https://elecena.pl/product/23570122/olimex-esp32-evb-development-board 2024-11-30 https://elecena.pl/product/23570122/olimex-esp32-evb-development-board 2025-11-28 https://elecena.pl/product/23570122/olimex-esp32-evb-development-board 2025-11-29