The ESP32-PICO-MINI-02 and ESP32-PICO-MINI-02U are versatile Wi-Fi + Bluetooth + Bluetooth Low Energy MCU modules based on the System-in-Package (SiP) ESP32-PICO-V3-02. These modules integrate 8 MB of SPI flash, 2 MB of SPI PSRAM, and a 40 MHz crystal oscillator. With powerful functionality and compact size, they are suitable for a wide range of IoT application scenarios, including smart homes, smart buildings, consumer electronics, industrial control, and applications such as smart speakers, voice-activated toys, smart gateways, and Ethernet devices.

Features

CPU and On-chip Memory

• Built-in ESP32-PICO-V3-02 chip, Xtensa dual-core 32-bit LX6 microprocessor, supporting clock frequencies up to 240 MHz
• 448 KB ROM
• 520 KB SRAM
• 16 KB RTC SRAM
• 8 MB SPI flash
• 2 MB PSRAM

Wi-Fi

• 802.11 b/g/n
• Data rate up to 150 Mbps in 802.11n mode
• Supports A-MPDU and A-MSDU aggregation
• 0.4 s guard interval
• Operating channel center frequency range: 2412 ~ 2484 MHz

Bluetooth

• Bluetooth v4.2 BR/EDR and low-energy Bluetooth standards
• Class-1, Class-2, and Class-3 transmitters
• AFH (Adaptive Frequency Hopping)
• CVSD and SBC

Peripherals

• SD card, UART, SPI, SDIO, I2C, LED PWM, motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, TWAI (ISO 11898-1 compliant, i.e., CAN 2.0 specification), Ethernet interface

Module Integrated Components

• 40 MHz crystal oscillator

Antenna Options

• ESP32-PICO-MINI-02: Onboard PCB antenna
• ESP32-PICO-MINI-02U: External antenna via connector

Operating Conditions

• Operating voltage/power supply voltage: 3.0 ~ 3.6 V
• Operating temperature: 40 ~ 85C

Certifications

• RF Certifications: Refer to ESP32-PICO-MINI-02 and ESP32-PICO-MINI-02U certificates
• Environmental certifications: RoHS/REACH

Testing

• Reliability: HTOL, HTSL, uHAST, TCT, ESD

ESP32-PICO-MINI-02/02U Module Comparison