Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-S3-WROOM-1 |
| Connectivity | Wi-Fi 4 (802.11 b/g/n), Bluetooth 5 (LE) |
| Ethernet Interface | W5500 Chip with RJ45 Port |
| Power Supply | USB-C or PoE (802.3af/at compatible) |
| Camera Interface | DVP Interface for OV2640/OV5640 |
| Flash Memory | 16 MB Quad SPI |
| PSRAM | 8 MB Octal SPI |
| GPIO Pins | 30+ Programmable GPIOs |
| Operating Voltage | 3.3V Logic, 5V Input via USB/PoE |
| Dimensions | 65mm x 40mm x 15mm |
Anonymous
Mar 29, 2026
Rating: 5/5
Robust connectivity options
Having WiFi, Bluetooth, and Ethernet on one board is a game changer. The stability of the W5500 connection is much better than bit-banged solutions. Highly satisfied.
Anonymous
Mar 24, 2026
Rating: 4/5
Great hardware, documentation could be better
Hardware quality is excellent and the camera interface is easy to use. However, finding specific pinout diagrams for the Ethernet lines took some digging in the GitHub repo. Still recommended.
Anonymous
Mar 12, 2026
Rating: 5/5
Perfect for IoT Gateway Projects
The built-in Ethernet controller saves so much time compared to adding an external module. PoE support works flawlessly with my standard switch. Great board for headless server applications.
Anonymous
Mar 12, 2026
Rating: 5/5
Best value S3 board with Ethernet
I've tested several similar boards, and this one offers the best balance of price and features. The camera connector is sturdy, and the USB-C port supports high-speed flashing.
Anonymous
Mar 09, 2026
Rating: 4/5
Solid choice for Home Assistant nodes
Runs ESPHome perfectly. The Ethernet fallback is great when WiFi gets congested. Only minor issue is the board is slightly taller than expected due to the RJ45 jack, so check your enclosure sizes.
Anonymous
Mar 02, 2026
Rating: 5/5
Excellent for learning industrial protocols
Using this for a university project involving Modbus over TCP. The processing power of the S3 handles the stack easily without lagging. The PoE feature makes deployment very clean.
Q: Is there a JTAG header available for debugging?
A: Yes, the board exposes the JTAG pins (GPIO47, GPIO48, etc.) on the main header. You can use an FT2232H or similar debugger for step-through debugging.
Q: Does this board support standard 802.3af PoE injection directly?
A: Yes, the board includes a dedicated PoE controller chip that supports IEEE 802.3af/at standards, allowing you to power the board directly through the Ethernet cable.
Q: What is the maximum current draw allowed on the 3.3V pin?
A: We recommend drawing no more than 50mA from the 3.3V pin for external sensors. The onboard regulator is sized primarily for the MCU and peripherals; higher current loads should be powered separately.
Q: Which camera modules are confirmed to work out of the box?
A: The board is designed primarily for the OV2640 and OV5640 modules using the DVP interface. Most standard 24-pin camera breakout boards for ESP32 will fit directly.
Q: Can I use the Arduino IDE to program this board?
A: Absolutely. The ESP32-S3 is fully supported in the Arduino IDE. You just need to install the latest ESP32 board package and select 'ESP32S3 Dev Module' from the board list.
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