Overview

ESP32-S3-Zero comes with an onboard Type-C USB connector, which exposes most of the unused pins in a small form factor. It adopts ESP32-FH4R2 as a System-on-Chip (SoC) that integrates low-power WiFi and BLE5.0 with 4MB Flash and 2MB PSRAM.

In addition, there are hardware encryption accelerator, RNG, HMAC and Digital Signature modules to meet the safety requirements of IoT and provide rich peripheral interfaces. Moreover, its low-power working mode supports most application scenarios such as IoT, mobile devices, wearable electronic devices, and smart homes.

Features
Equipped with Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency.
Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE).
Built-in 512KB of SRAM and 384KB ROM, onboard 4MB Flash memory and 2MB PSRAM.
Castellated module and onboard ceramic antenna, allow soldering direct to carrier boards.
Supports flexible clock, module power supply independent setting, and other controls to realize low power consumption in different scenarios.
Integrated with USB serial port full-speed controller, 24 x GPIO pins allow flexible configuring pin functions.
4 x SPI, 2 x I2C, 3 x UART, 2 x I2S, 2 x ADC, etc.

Hardware Connection:

Press the BOOT (GPIO0) key before connecting the Type-C cable each time download the firmware.
Input 3.7V~6V for the castellated hole with 5V silkscreen when connecting the external power.

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Package Content
ESP32-S3-Zero x1