Product line
ESP32-PICO-D4 - Ultra-Compact Wi-Fi & Bluetooth Module
The ESP32-PICO-D4 is a highly integrated Wi-Fi and Bluetooth module that provides the flexibility and performance required for a wide range of applications. With its compact design, it is perfect for IoT devices, wearables, and other electronic projects.

Overview
Overview
The ESP32-PICO-D4 is a System-in-Package (SiP) that integrates a powerful ESP32 chip alongside essential components, including a crystal oscillator and flash memory, into a small form factor. This module supports both Wi-Fi and Bluetooth connectivity, making it ideal for developing advanced IoT solutions. With its low power consumption, the ESP32-PICO-D4 is suitable for battery-powered devices, allowing for extended operational life without compromising performance. The device also features multiple GPIO pins, ADC, and UART interfaces, providing versatility for various applications.
Key Specifications
- Wi-Fi 802.11 b/g/n and Bluetooth v4.2 (Classic and BLE)
- Integrated 4MB Flash Memory
- Low power consumption with deep sleep modes
- Operating voltage: 3.0 to 3.6 V
- Size: 7 mm x 7 mm x 0.8 mm
Applications
The ESP32-PICO-D4 is an excellent choice for a variety of applications, including home automation systems, smart sensors, medical devices, and wearable technology. Its capability to handle both Wi-Fi and Bluetooth makes it particularly useful for projects that require seamless data transfer and device communication. Additionally, developers can easily integrate this module into existing designs thanks to its small footprint and comprehensive GPIO options.