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 offers high performance, stability, versatility, reliability, and 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, allowing flexibility across various applications.Wi-Fi frequency range: 2.4–2.5 GHz Network interface: RJ45, 10/100 Mbps, supports crossover and straight-through cable detection Serial port baud rate: 80–5,000,000 Onboard Flash: 32 Mbit Operating voltage: 5V or 3.3V (select one) Operating current: average 80mA Power supply current: minimum 500mA Product appearance and labeling may vary by batch, but this does not affect functionality. Color: Black Material: PCB Package Contents: 1 x Wireless Module Note: Only the items listed are included. Other products shown in images are not part of the package. Lighting and display differences may cause slight variations in color between the product image and actual item. Measurement tolerances may vary by ±1–3 cm.