This pack includes 10 ESP01/01S adapter boards designed to convert ESP8266 ESP01 or ESP01S modules into breadboardfriendly units for rapid prototyping. Each adapter provides a simple, stable interface that fits standard 2.54 mm (0.1 inch) pitch breadboards, making it easy to experiment with ESP01/ESP01S development boards without soldering. Key benefits Quick breadboard prototyping for ESP8266 ESP01 and ESP01S modules Converts compact ESP01/ESP01S modules into a breadboardfriendly format for fast testing and development. Standard 2.54 mm pitch for broad compatibility Designed to work with common 0.1 inch breadboards and standard 2.54 mm header spacings. Simple, reliable connections Provides a stable interface that minimizes wiring mistakes and eases module placement on a breadboard. Reusable for multiple projects Pack of 10 adapters allows you to set up several ESP01/ESP01S experiments or stock spare units for future projects. Product attributes Functionality ESP01/01S adapter board that accepts ESP8266 ESP01 or ESP01S modules and presents a breadboardfriendly header layout. Compatibility Compatible with ESP8266 ESP01 and ESP01S development boards and modules for prototyping. Size and form factor Compact, breadboardfriendly PCB adapter designed for standard 2.54 mm pitch connections. Material and construction Standard PCB substrate with throughhole header compatibility for easy mounting on breadboards. Performance and reliability Provides stable pin alignment to support reliable prototyping and testing of ESP01/01Sbased circuits. What's included 10 pieces of ESP01/01S adapter boards (one adapter per ESP01 or ESP01S module) Common use cases Prototyping ESP01/ESP01S projects on a fullsize breadboard Mount ESP01/ESP01S modules on the adapter and insert into a breadboard to develop and test firmware and peripheral connections. ESP01/ESP01S sensor and actuator experiments Create quick test setups for sensors, relays, and other peripherals controlled by ESP01/01S modules without soldering. Development and debugging sessions Use multiple adapters to run parallel experiments, compare firmware builds, or demonstrate ESP01/01Sbased projects. How to use Insert the ESP01 or ESP01S module into the adapter's corresponding socket or header area. Align the adapter with a standard 2.54 mm breadboard and plug into the breadboard's power and signal rails. Connect optional power, ground, and I/O lines from your microcontroller or development board to the ESP01/01S pins via the adapter. Develop, upload, and test firmware for ESP01/01S modules in a breadboard environment. Notes This product is a 10piece pack of ESP01/01S adapter boards for breadboard prototyping. The adapters are intended for use with ESP8266 ESP01 and ESP01S development modules. This description reflects the product's brand, model, and features as indicated by the title: 10Pcs Esp01/01S Adapter Board Breadboard Adapter For Esp8266 Esp01 Esp01S Development Board.