Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Processor | ESP32-S3FH4R2 Dual-Core Xtensa LX7 |
| Flash Memory | 4MB |
| PSRAM | 2MB |
| Wireless Connectivity | Wi-Fi 2.4GHz & Bluetooth 5 (LE) |
| GPIO Count | 21 Programmable Pins |
| Operating Voltage | 3.3V |
| Interface | USB Type-C |
| Dimensions | 20.5 x 17.5 mm |
| Weight | 3.5g |
| Compatibility | Arduino IDE, MicroPython, ESP-IDF |
Anonymous
Mar 12, 2026
Rating: 5/5
Excellent IoT solution
Low power consumption in deep sleep mode. Great value for the price compared to other S3 boards on the market.
Anonymous
Feb 18, 2026
Rating: 3/5
Decent but tricky pinout
Needed a breakout adapter to use with my breadboard. The board itself works, but the small form factor is not beginner-friendly.
Anonymous
Feb 10, 2026
Rating: 5/5
Perfect for wearables
Compact and powerful. The size makes it ideal for my smartwatch project. Wi-Fi connection is stable and the USB-C port is a nice touch.
Anonymous
Feb 05, 2026
Rating: 5/5
Fast delivery, works out of the box
Uploaded code via Arduino IDE without any drivers issues. Bluetooth pairing was quick. Highly recommend for embedded projects.
Anonymous
Jan 31, 2026
Rating: 4/5
Good board, minor docs issue
Works well for IoT sensors. Had some trouble finding the exact pinout diagram initially, but once configured, it runs smoothly.
Q: What is the logic voltage level for the GPIO pins?
A: The GPIO pins operate at 3.3V logic level. Please ensure connected sensors are compatible or use level shifters.
Q: Is this board compatible with the Arduino IDE?
A: Yes, it is fully compatible. You can install the ESP32 board package in Arduino IDE to start programming.
Q: Does it support external antennas?
A: This model uses an onboard PCB antenna. For external antenna options, please check our ESP32-S3 variants with IPEX connectors.
Q: What is the current consumption in deep sleep mode?
A: Typical deep sleep current is approximately 15uA, depending on peripheral configuration and PSRAM state.
Q: Can I connect a LiPo battery directly to this board?
A: No, this board does not have a built-in charging circuit. Please use an external battery management module.
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