ESP32 30-Pin Development Board is a powerful IoT development board with built-in Wi-Fi and Bluetooth, designed for smart home, automation, sensors, and wireless control projects. It features a Micro USB port for power and programming, and provides a wide range of GPIO pins for connecting modules such as relays, displays, motors, and sensors.
Key Features
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Built-in Wi-Fi 2.4GHz + Bluetooth (Classic + BLE)
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30-Pin ESP32 development board (easy breadboard/prototyping)
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Micro USB for programming + power
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High-performance dual-core microcontroller
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Supports Arduino IDE, ESP-IDF, MicroPython
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3.3V logic with multiple GPIO, PWM, ADC, UART, SPI, I²C
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On-board power regulation and auto-program circuit (USB-to-UART)
Full Specifications (Typical for ESP32 30-Pin Boards)
Wireless
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Wi-Fi: 802.11 b/g/n (2.4GHz)
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Bluetooth: Bluetooth Classic + BLE (Bluetooth Low Energy)
Microcontroller
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Chip: ESP32 (commonly ESP32-WROOM-32 module on board)
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CPU: Dual-core up to 240MHz (typical)
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Flash: Often 4MB (may vary by version)
Power
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Input Power: 5V via Micro USB
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Logic Level: 3.3V
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On-board regulator: 5V to 3.3V
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Power pins: 5V / 3.3V / GND available on headers
Interfaces / Functions
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GPIO: Multiple digital I/O pins (depends on board mapping)
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ADC: Analog input supported on specific pins
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PWM: Available on most GPIO for motor/LED control
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UART / SPI / I²C: Supported via configurable pins
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Touch Sensors: Supported on specific ESP32 pins
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DAC: Available on DAC pins (ESP32 feature)
Board Type
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Pin Count: 30 pins (header)
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Port: Micro USB
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Programming: USB-to-Serial interface (CH340 / CP2102 may vary)
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Indicators: Power LED + onboard LED (version dependent)
Applications
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Smart home (lights, AC, occupancy, automation)
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IoT sensor nodes (temperature, motion, gas, soil moisture)
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Wi-Fi relay and remote control systems
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Bluetooth BLE beacons and device control
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Robotics and motor control (with drivers)
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Data logging + cloud integration (MQTT, HTTP, Blynk, Firebase, etc.)
Used In
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Arduino IDE ESP32 projects
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ESPHome / Home Assistant integrations
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MicroPython automation projects
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MQTT / IoT dashboards and remote monitoring
Package Includes
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1× ESP32 30-Pin Development Board (Wi-Fi + Bluetooth) – Micro USB
