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ESP32 Development Board (ESP32-WROOM-32)

Board

Dual-core development board with Wi-Fi and Bluetooth on one chip, for projects that go online or talk to a phone. Programmed with the Arduino IDE. Its pins run at 3.3V: never connect a 5V signal straight to them.

Specifications

Microcontroller

ESP32, dual-core Xtensa LX6, 240 MHz

Wireless

Wi-Fi 802.11 b/g/n (2.4 GHz), Bluetooth 4.2 + BLE

Flash memory

4 MB

SRAM

520 KB

Logic level

3.3V (pins are not 5V tolerant)

Power

5V over USB or VIN (on-board regulator)

GPIO

~25 usable (30-pin board), PWM on output pins

Analog inputs

12-bit ADC, up to 15 channels (ADC2 unavailable while Wi-Fi is on)

Interfaces

UART, SPI, I2C, I2S, 2-channel DAC, touch pins

USB-serial chip

CP2102 or CH340 (depends on the board)

Shop prices

• KomponentciIn stock386.30 ₺
• RobotistanIn stock422.52 ₺
• RobotsepetiIn stock432.78 ₺
• Direnc.netIn stock435.88 ₺
• Robolink MarketIn stock621.00 ₺
• RobocomboOut of stock251.00 ₺
• HobiDevreOut of stock308.16 ₺
• RobotzadeOut of stock330.00 ₺
• F1 DepoOut of stock360.00 ₺
• Modül ElektronikOut of stock365.12 ₺
• Robo90Out of stock416.64 ₺
• SAMM MarketOut of stock626.12 ₺
• RobitshopOut of stockPrice at the shop

Prices read from the shops' pages on 22 October 2026. Prices and stock may have changed since; check at the shop before you buy.

Projects with this part

• Internet Clock (ESP32 + LCD)Beginner20 minA desk clock that takes the time from the internet and never needs setting: the ESP32 joins your home Wi-Fi, gets Turkey's time from a time server (NTP) and shows the date, the day and the time with its seconds on the LCD. After a power cut it finds the time again by itself. Ideal as a first ESP32 project: no soldering, no breadboard, just four wires.Open project
• RFID Attendance (ESP32 + LCD)Intermediate40 minThe name of whoever scans their card appears on the LCD and is logged as "in" or "out"; the screen counts how many people are inside. For a club, class or workshop register: it shows the number of a card it does not know, and you add that number with a name to the list in the code. No breadboard needed; the RC522 and the LCD connect straight to the ESP32 with female-female wires.Open project
• LED Control from Your Phone (ESP32 Wi-Fi)Beginner20 minThe ESP32 joins your home Wi-Fi and serves a small web page; with the ON and OFF buttons on the page you open in your phone's browser, you switch the LED from afar. No app to install: any phone or computer on the same network can open the page. The first step of smart-home projects: a relay, a motor or any other device is controlled the same way.Open project