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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 7 reviews
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Product Reviews
★★★★★ 1
Unsafe and absolutely garbage
Color: Yellow Frisbee, Size: Large
If I could give this zero stars, I would. My dog had it for approximately two minutes of playtime, I didn’t even get to throw it, and it already had holes in it. He wasn’t chewing it or playing aggressively. He simply had it folded in half in his mouth and it tore. This toy is not safe for dogs.
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Reviewed in the United States on June 13, 2025
★★★★★ 5
Perfect ball for my Chihuahua
Color: Multi Meteor Ball, Size: Small
My dog is a Chihuahua. The small size is perfect for her. She loves chewing on the ball and loves the crackling noise from the material inside. I love that it is strong enough, she cannot tear it apart or is she able to remove the material inside. Perfect for her.
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Reviewed in the United States on September 9, 2025
★★★★★ 5
Best toy for our dogs!
Color: Yellow Frisbee, Size: Large
These are great for our labs. They love to fetch and play in the back yard. Loved how sturdy these have been the last few days. The material is tough enough to withstand our boys.
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Reviewed in the United States on August 22, 2025
★★★★★ 5
Great Toy for Endless Fun!
The JW Pet Hol-ee Roller Small is such a fantastic toy! It’s lightweight, flexible, and perfect for my pup to carry around and chew on. I love the design it’s durable enough to hold up to play but still soft on their teeth. You can even stuff it with treats to keep them entertained longer, which makes it super versatile. The small size is just right for my little dog, and the assorted colors are a fun bonus. This has quickly become one of their favorite toys! Highly recommend for small dogs who love to play and chew.
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Reviewed in the United States on September 3, 2025
★★★★★ 5
Emmy Lou's favorite ball ever!
Absolute favorite ball! Now have it in 2 colors and its always the go to
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Reviewed in the United States on April 26, 2026