ESP32 Development Board - WiFi & Bluetooth Microcontroller The ESP32 is a capable, low-cost microcontroller with integrated 2.4 GHz WiFi and Bluetooth, making it one of the most popular choices for IoT, wireless sensing, and connected makerspace projects. Available in four configurations to suit your project needs - from a basic dev board to feature-rich boards with onboard LiPo charging, SD card data logging, or DVI/HDMI video output. Cores: Dual or single-core (depending on variant) Xtensa/RISC-V processor up to 240 MHz Connectivity: 2.4 GHz WiFi + Bluetooth / BLE Programming: Compatible with Arduino IDE, MicroPython, CircuitPython, and ESP-IDF USB: USB-C or Micro-USB for programming and power Application: IoT, wireless sensor networks, data logging, wearables, interactive projects Select your preferred configuration below. The Dev Board pack of 5 is ideal for classroom or group project use. The Feather-format variants offer integrated features for specialized applications.