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 µs 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 ~ 85°C
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
Module | Order Model Number | Internal Chip | Flash | PSRAM | Antenna | Dimensions (mm) |
---|---|---|---|---|---|---|
ESP32-PICO-MINI-02 | ESP32-PICO-MINI-02-N8R2 | ESP32-PICO-V3-02 | 8 MB | 2 MB | PCB onboard antenna | 13.2 × 16.6 × 2.4 |
ESP32-PICO-MINI-02U | ESP32-PICO-MINI-02U-N8R2 | ESP32-PICO-V3-02 | 8 MB | 2 MB | IPEX external antenna connector | 13.2 × 11.2 × 2.4 |