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, providing flexibility for various applications. Wi-Fi frequency range: 2.4–2.5 GHz Network interface: RJ45, 10/100Mbps, supports crossover and straight-through cable detection Serial port baud rate: 80–5000000 Onboard flash: 32 Mbit Operating voltage: 5V or 3.3V (select one) Operating current: average 80mA Power supply current: minimum 500mA Product appearance and silkscreen may vary by batch, but this does not affect functionality. Color: Black Material: PCB Package includes: 1 x Wireless Module Note: Other items shown in images are not included. Lighting and display differences may cause slight color variations between the image and actual product. Measurement tolerance: ±1–3 cm.