ESP32-ETHO1 is an embedded serial-to-Ethernet module based on the ESP32 series. The module integrates an optimized IP protocol stack, enabling users to easily implement networking functions for embedded devices and significantly reducing development time. It features high RF performance, stability, versatility, and reliability, along with ultra-low power consumption. The module has a standard board width and can be directly soldered onto a PCB, with options for connector soldering or breadboard use, offering flexibility for various applications. Wi-Fi frequency range: 2.4–2.5 GHz Network interface: RJ45, 10/100Mbps, supports cross and straight-through cable auto-detection Serial port baud rate: 80–5000000 Onboard Flash: 32Mbit Operating voltage: 5V or 3.3V (select one) Operating current: average 80mA Power supply current: minimum 500mA Product appearance and silkscreen markings may vary by batch, but this does not affect functionality. Color: Black Material: PCB Package Contents: 1 x Wireless Module Note: The package includes only the items listed above. Other accessories are not included. Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement error is permitted within +/- 1–3 cm.