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Description
WVS ESP32-S3FH4R2-ZERO DEV BOARDESP32 S3 Zero Mini Development Board, Based on ESP32 S3FH4R2 Dual Core Processor, 240MHz Running Frequency, 2. 4GHz Wi Fi & Bluetooth Zero Mini Development Board Overview ESP32 S3 Zero (without pin header) and ESP32 S3 Zero M (with pin header) are tiny in size with castellated holes, making them easy to integrate into other host boards. ESP32 S3 Zero comes with an onboard Type C USB connector, which exposes most of the unused pins in a small form
ESP32-S3 Zero Mini Development Board, Based on ESP32-S3FH4R2 Dual-Core Processor, 240MHz Running Frequency, 2.4GHz Wi-Fi & Bluetooth
Zero Mini Development Board
Overview
ESP32-S3-Zero (without pin header) and ESP32-S3-Zero-M (with pin header) are tiny in size with castellated holes, making them easy to integrate into other host boards. ESP32-S3-Zero comes with an onboard Type-C USB connector, which exposes most of the unused pins in a small form factor. It is equipped with the ESP32-FH4R2 chip, integrated Wi-Fi and BLE5.0, featuring 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 multiple low-power working modes support 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, allows 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 × GPIO pins allows flexibly configuring pin functions
- 4 × SPI, 2 × I2C, 3 × UART, 2 × I2S, 2 × ADC, etc.
Specifications
- When using ESP32-S3-Zero with daughterboards, please avoid covering the ceramic antenna with PCB boards, metal, or plastic components.
- In ESP32-S3-Zero, GPIO33 to GPIO37 pins are not exposed; these pins are used for Octal PSRAM.
- ESP32-S3-Zero uses GPIO21 to connect with WS2812 RGB LED. Please refer to this link for WS2812 specifications.
- ESP32-S3-Zero does not employ a USB to UART chip. When flashing firmware, press and hold the BOOT button (GPIO0) and then connect the Type-C cable.
- The "TX" and "RX" markings on the board indicate the default UART0 pins for ESP32-S3-Zero. Specifically, TX is GPIO43, and RX is GPIO44.
Additional Information
| Device | Development Board |
| Type | Zero | Mini |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 962 reviews
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Product Reviews
★★★★★ 3
The charger is slow
Color: Brown +Wireless
Looks great but the charging takes forever
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Great organizer for nightstand
Color: Black
This made a great gift for my unorganized husband, able to keep all the things he has strewn about in one place. Feels like high quality for a decent price.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Very stylish and functional!
Color: Brown
Very stylish and functional -- I was very pleased! A great compliment to any man's dresser top or desk drawer.
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Reviewed in the United States on July 17, 2025
★★★★★ 5
Great purchase
Color: Brown
Purchased to organize my son’s beside table. So well made, sturdy, and the brown matches his night stand perfectly. Compartments to fit anything he needs to stash in there and keeps his things from sliding around in the drawer. Well worth the price
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Reviewed in the United States on October 12, 2025
★★★★★ 5
Well made for organization
Color: Brown
The trays were purchased for my brother who has Parkinson’s disease. He’s able to pick things out of it with the low side profile. One sits on the top of his dresser and the other inside a drawer. They seem to be quality made.
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Reviewed in the United States on November 19, 2025