ESP8266 WiFi Module ESP-07 / ESP-07S Serial Wireless Board

ESP8266 WiFi Module – ESP-07 & ESP-07S Serial Wireless Board

Take your IoT and embedded projects to the next level with the ESP8266 ESP-07 / ESP-07S Serial WiFi Module. Compact, reliable, and highly capable, this genuine ESP8266-based board delivers stable serial wireless connectivity for microcontroller projects, home automation, sensor nodes, and much more. Available in both the ESP-07 (with external antenna connector) and the ESP-07S (SMD form factor) variants to suit your exact project needs.

Key Features

• Genuine ESP8266 Chip – Authentic, high-quality module sourced directly from the manufacturer for assured performance and reliability.
• Dual Variant Options – Choose between ESP-07 (IPEX antenna connector for extended range) or ESP-07S (SMD package for compact PCB integration).
• Serial WiFi Connectivity – Full 802.11 b/g/n WiFi support; easily integrates with UART-based microcontrollers via AT commands or custom firmware.
• 5V Compatible – Operates conveniently with 5V-powered systems (with onboard regulation), making it straightforward to pair with Arduino and similar platforms.
• SMD Package – The ESP-07S variant features a compact SMD design ideal for integration directly onto custom PCBs.
• Versatile Applications – Perfect for IoT devices, wireless sensor networks, smart home automation, serial-to-WiFi bridges, and computer peripherals.
• Customizable Firmware – Supports custom firmware flashing (NodeMCU, MicroPython, AT firmware, and more) for maximum flexibility.
• New Condition – Ships brand new, never used, ready for immediate deployment in your project.

Specifications

What's in the Box?

• 1 × ESP8266 WiFi Module (ESP-07 or ESP-07S, as selected)

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Frequently Asked Questions

Q: What is the difference between the ESP8266 ESP-07 and ESP-07S WiFi modules?

A: The ESP-07 features an IPEX/U.FL external antenna connector, which allows you to attach an external antenna for improved wireless range — ideal for projects where the module is enclosed or needs longer-range connectivity. The ESP-07S is a more compact SMD variant with an integrated PCB antenna, designed for direct PCB mounting where space is a priority. Both share the same ESP8266 chipset and serial WiFi capabilities.

Q: Is this a genuine ESP8266 module?

A: Yes — authenticity is guaranteed. These modules use genuine ESP8266 chips and are manufactured to standard specifications, ensuring reliable WiFi performance, full compatibility with popular development environments (Arduino IDE, NodeMCU, MicroPython), and consistent results in your projects.

Q: What microcontrollers or platforms is the ESP8266 ESP-07/ESP-07S compatible with?

A: The ESP8266 ESP-07/ESP-07S communicates via a standard serial UART interface and is compatible with a wide range of platforms including Arduino, Raspberry Pi, STM32, PIC, and any microcontroller with a UART port. It supports AT command firmware out of the box, and can also be re-flashed with NodeMCU, MicroPython, or custom firmware for standalone operation.

Q: What firmware does the ESP-07/ESP-07S ship with?

A: The module typically ships with Espressif's standard AT command firmware, allowing it to be controlled as a serial WiFi adapter. However, it can be re-flashed using any compatible firmware — including NodeMCU (Lua), MicroPython, or your own custom build — using a USB-to-serial adapter and the standard ESP8266 flash tool.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.