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ESP32-PICO-D4 RF SIP Module provides complete Wi-Fi® and BLUETOOTH® functionalities based on the ESP32 chip. This module requires minimal PCB area as it features a small size of (7.0 ± 0.1)mm x (7.0 ± 0.1)mm x (0.94 ± 0.1)mm. The ESP32-PICO-D4 module integrates peripheral components, including a crystal oscillator, 4-MB SPI Flash, filter capacitors, and RF matching links in a single package. This SPI module is well-suited for space-limited or battery-operated applications such as wearable electronics, medical equipment, sensors, and other IoT products.

Feature of ESP32-PICO-D4

Wi-Fi

802.11 b/g/n

802.11 n (2.4GHz), up to 150Mbps

WMM

Immediate Block ACK

Defragmentation

Bluetooth

Compliant with Bluetooth v4.2 BR/EDR and BLE specifications

Class-1, class-2, and class-3 transmitter without external power amplifier

Enhanced power control

+12dBm transmitting power

CPU and memory

Xtensa® single/dual-core 32-bit LX6 microprocessor(s), up to 600 MIPS (200 MIPS for ESP32-SOWD, 400 MIPS for ESP32-D2WD)

448kB ROM

520kB SRAM

16kB SRAM in RTC

Clocks and timers

Internal 8MHz oscillator with calibration

Internal RC oscillator with calibration

Advanced peripheral interfaces

34 × programmable GPIOs

12-bit SAR ADC up to 18 channels

Two × 8-bit DAC

Security

Secure boot

Flash encryption

Cryptographic hardware acceleration

Applications of ESP32-PICO-D4

IoT

Music players

Wi-Fi enabled toys

Wi-Fi enabled speech recognition devices

Audio headsets

Smart power plugs

Home automation

Mesh network

Industrial wireless control

Wearable electronics

Wi-Fi enabled location-tracking devices

Healthcare

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.