User's Manual

1. ESP-PICO-KIT Overview

1.2. Functional Description

The following list and ﬁgure below describe key components, interfaces and controls of

ESP32-PICO-KIT board.

• ESP32-PICO-D4: Standard ESP32-PICO-D4 module soldered to the ESP32-PICO-

KIT board. The complete system of the ESP32 chip has been integrated into the SIP

module, requiring only external ﬁlter capacitors and pull-up resistors for EN signals to

function properly.

• USB-UART Bridge:

• I/O: All the pins on ESP32-PICO-D4 are broken out to the pin headers on the board.

Users can program ESP32 to enable multiple functions such as PWM, ADC, DAC,

I2C, I2S, SPI, etc.

• Micro USB Port: USB interface. It functions as the power supply for the board and

the communication interface between PC and ESP32-PICO-KIT.

•

EN Button: Reset button; pressing this button resets the system.

• BOOT Button: Holding down the Boot button and pressing the EN button initiates the

ﬁrmware download mode. Then user can download ﬁrmware through the serial port.

Figure 1-2. ESP32-PICO-KIT Board Layout

Espressif

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