LilyGO Micro-32 V2.0 ESP32 PICO-D4 Wi-Fi Bluetooth Module
SKU: IOWC-1763
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LilyGO Micro-32 V2.0 ESP32 PICO-D4 Wi-Fi Bluetooth Module

₹509.00 (Inclusive of all taxes)
Out of Stock

The LilyGO Micro-32 V2.0 is a compact ESP32 PICO-D4-based Wi-Fi and Bluetooth module designed for space-constrained embedded projects. It features a dual-core processor, 4MB flash, and an IPEX antenna connector for robust wireless connectivity.

Features

  • Ultra-Compact ESP32 PICO-D4 Module: Features a 45% smaller footprint than standard ESP32 modules, ideal for miniaturized IoT designs and wearables.
  • Dual-Core Xtensa LX6 Processor & Wireless Combo: Integrates a 240MHz dual-core CPU with Wi-Fi 802.11 b/g/n and Bluetooth 4.2/BLE for versatile connectivity.
  • Integrated IPEX Antenna Connector: Enables easy connection to an external antenna for improved signal range and reliability in final deployments.
  • Flexible Power Management: Supports a wide VCC input range of 2.2V to 3.6V and includes a dedicated VBAT pin for direct battery connection.
  • Ample Onboard Memory: Equipped with 4MB of flash and 520KB of SRAM for storing application code, OTA updates, and network credentials.

Out of stock

Description

The LilyGO Micro-32 V2.0 is a miniaturized wireless module built around the Espressif ESP32 PICO-D4 system-in-package. It packs the full functionality of a standard ESP32 into a significantly reduced form factor, making it an optimal choice for developers needing powerful Wi-Fi and Bluetooth connectivity in a tiny package. The module includes an integrated IPEX connector for attaching an external antenna, which is crucial for achieving maximum RF performance in enclosed or metal enclosures.

Engineered for low-power operation, the module supports deep sleep modes and features a dedicated VBAT pin for direct connection to a LiPo or other battery sources, enabling long-running battery-powered applications. Its 3.3V regulator can supply up to 600mA, with a peak current allowance of 250mA during active RF transmissions, ensuring stable operation. This module is directly programmable via the Arduino IDE, ESP-IDF, or MicroPython, serving as a core building block for smart home devices, portable sensors, and compact industrial telemetry nodes.

Key Features

  • Space-saving ESP32 PICO-D4 SiP design reduces board area by 45% compared to standard modules.
  • Integrated IPEX (U.FL) antenna connector for reliable external antenna attachment and optimal RF performance.
  • Dual-core Xtensa® 32-bit LX6 microprocessor running at up to 240 MHz for efficient multitasking.
  • Comprehensive wireless support for 2.4GHz Wi-Fi 802.11 b/g/n and Bluetooth Classic 4.2 + BLE.
  • Dedicated VBAT pin enables direct connection to a battery for low-power, always-on applications.
  • Onboard 3.3V LDO regulator with 600mA output capacity ensures stable power during RF bursts.
  • 4MB of SPI flash memory provides ample space for application firmware and file systems.
  • 520KB of on-chip SRAM supports data-intensive operations and network buffer management.

Applications

  • Miniaturized IoT sensor nodes for environmental monitoring (temperature, humidity, air quality).
  • Wearable technology and smartwatch prototypes requiring compact wireless connectivity.
  • Smart home automation accessories like wireless switches, remote controls, and BLE beacons.
  • Portable data loggers and handheld diagnostic tools with Wi-Fi data upload capability.
  • Embedded systems where board space is critically limited, such as drone telemetry or robotics.

Technical Specifications

Microcontroller/SoCEspressif ESP32 PICO-D4 (Dual-Core Xtensa LX6)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 4.2 BR/EDR & BLE
Frequency Range2.4 GHz ISM Band
RF Transmit PowerUp to +20 dBm (typical)
Supply Voltage (VCC)2.2 V to 3.6 V
Operating CurrentApprox. 80 mA (average active); ~250 mA peak during RF TX
InterfacesGPIO, SPI, I2C, I2S, UART, ADC, DAC, Touch Sensor
Antenna ConnectorIPEX (U.FL)
Operating Temperature-40°C to +85°C (typical for ESP32)
DimensionsApprox. 18.9 x 13 x 2 mm (module only)

Frequently Asked Questions

How do I program the LilyGO Micro-32 V2.0 module?

You can program the module using the Arduino IDE with the ESP32 board package installed, Espressif's official ESP-IDF framework, or MicroPython. Connect the module's VCC (2.2-3.6V), GND, and serial TX/RX pins to a USB-to-Serial adapter. The default bootloader supports flashing via UART at 115200 baud. Ensure the GPIO0 pin is pulled low during reset to enter bootloader mode for initial firmware upload.

What antenna should I use with the IPEX connector, and how is it attached?

Use a 2.4GHz antenna with an IPEX (U.FL) male connector, typically a 2dBi or 5dBi whip or PCB antenna. Carefully align the connector on the antenna cable with the module's port and press down until it clicks into place. Avoid pulling on the cable directly. Proper antenna matching is crucial for achieving the module's full Wi-Fi and Bluetooth range, especially inside metal enclosures where an external antenna is necessary.

What are the power requirements and sleep current for battery operation?

The module operates from a VCC input of 2.2V to 3.6V. For battery operation, connect a single-cell LiPo (3.7V nominal) directly to the dedicated VBAT pin, which bypasses the onboard regulator. In deep sleep mode, current consumption can drop to around 10µA, enabling multi-month operation on a small battery. During active Wi-Fi transmission, expect peak currents up to 250mA, so your power supply must be capable of delivering these bursts.

Package Includes

  • 1 x LilyGO Micro-32 V2.0 Wi-Fi Bluetooth Module (ESP32 PICO-D4 with IPEX connector)

Additional Information

Weight 0.003 kg
Dimensions 1.3 × 1.89 × 0.2 cm

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