ESP32-PICO-V3 System-in-Package (SiP) Module Espressif Systems ESP32-PICO-V3 System-in-Package (SiP) Module is based on the ESP32 with ECO V3 wafer, providing complete Wi-Fi and BLUETOOTH® functionalities with 4MB integrated SPI flash. ESP32-PICO-V3 seamlessly integrates all peripheral components, including a crystal oscillator, flash, filter capacitors, and RF matching links in a single package. Module assembly and testing are done at the SiP level. The Espressif Systems ESP32-PICO-V3 SiP Module reduces the supply chain complexity and improves control efficiency. With an ultra-small size, robust performance, and low energy consumption, ESP32-PICO-V3 is suited for any space-limited or battery-operated application, including wearable electronics, medical equipment, sensors, and other IoT products.