Description Boardoza ESP01M Wi-Fi Module is a compact wireless communication module based on the Ai Thinker ESP-01M and ESP8285 chipset. It provides an integrated 802.11 b/g/n 2.4GHz Wi-Fi solution for IoT devices, smart products, embedded wireless communication, and standalone networked applications. The ESP8285 integrates 1MB embedded flash memory and supports Station, SoftAP, and Promiscuous modes. The breakout board provides UART communication and a compact 20mm x 20mm format for embedded Wi-Fi projects. Features ESP8285 Wi-Fi SoC: integrated Wi-Fi solution with 1MB embedded flash memory. 2.4GHz Wi-Fi: supports IEEE 802.11 b/g/n wireless communication. Flexible network modes: supports Station, SoftAP, and Promiscuous mode according to the official documentation. UART communication: provides UART interface with baud rate support up to 4 Mbps. Embedded flash: 1MB integrated flash allows standalone applications without an external flash chip. Wide input support: board supply supports 3.3V to 5V, while supported I/O voltage is 3.3V. Compact board format: 20mm x 20mm module footprint for space-constrained IoT designs. Specifications Product Boardoza ESP01M Wi-Fi Module Model ESP-01M, Ai Thinker Chipset ESP8285 Function Wi-Fi SoC Module Wi-Fi Standard IEEE 802.11 b/g/n, 2.4GHz Embedded Flash 1MB Communication Interface UART, up to 4 Mbps Network Modes Station, SoftAP, Promiscuous mode Voltage Supply 3.3V to 5V Supported I/O Voltage 3.3V Operating Temperature -20 C to +85 C Board Dimensions 20mm x 20mm Shipping Weight 20g Dimensions Applications IoT sensor nodes and smart device connectivity. Wi-Fi communication for embedded microcontroller projects. Wireless serial bridge and cloud-connected prototypes. Standalone ESP8285-based networked applications. SoftAP and Station mode Wi-Fi experiments. Product List 1 Boardoza ESP01M Wi-Fi Module Other Content UART pins: the official documentation lists TX and RX pins for UART transmit and receive. Power pins: the module exposes 5V and GND pins for board power according to the official documentation. I/O voltage note: supported I/O voltage is 3.3V, so interface level compatibility should be checked before connection. Mechanical note: the official repository provides a STEP file for enclosure and mounting reference. Resources Official GitHub Repository Boardoza ESP-01M Datasheet Boardoza ESP-01M STEP File FAQ What is the Boardoza ESP01M Wi-Fi Module used for? It is used for IoT devices, smart products, wireless communication projects, and embedded Wi-Fi applications. Which chipset does it use? The official documentation lists the ESP8285 chipset. Which Wi-Fi standard does it support? It supports IEEE 802.11 b/g/n on 2.4GHz. Which communication interface does it use? The board uses UART communication, with support up to 4 Mbps according to the official documentation. What is the board size? The official board dimensions are 20mm x 20mm.