
ESP-01 ESP8266 Serial WIFI Module
Prices updated 19 May 2026
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Product Description
ESP-01 ESP8266 Serial WIFI Module Elevate Your IoT Projects with the ESP-01 ESP8266 WIFI Module Unlock the full potential of your Internet of Things (IoT) creations with the ESP-01 ESP8266 Serial WIFI Module. Engineered for versatility and high performance, this compact module offers seamless Wi-Fi connectivity, making it the ideal choice for home automation systems, smart devices, and innovative applications. Whether you're a hobbyist or a professional developer, the ESP-01 ensures your projects stay connected and operate efficiently with its robust features and easy integration. Key Features Flexible Interface Options: Supports SDIO 2.0, SPI, and UART interfaces, enabling smooth connectivity with a wide range of devices. Compact Design: Housed in a space-efficient 32-pin QFN package, the ESP-01 is perfect for streamlined and efficient project layouts. Enhanced RF Performance: Integrated RF switch, balun, 24dBm power amplifier, DCXO, and PMU ensure robust and reliable wireless communication. Powerful Processing Capabilities: Equipped with a RISC processor and memory interfaces for efficient data handling and support for external memory modules. Reliable Wi-Fi Connectivity: Built-in MAC/baseband processors maintain stable connections with Quality of Service (QoS) management, ensuring uninterrupted data flow. Superior Audio Support: I2S interface integration allows for high-fidelity audio applications. Consistent Power Regulation: Low-dropout linear regulators maintain stable internal voltages for dependable operation. Accurate Timing: Proprietary spurious-free clock generation architecture delivers precise clock signals for synchronization. Secure Communication: Supports WEP, TKIP, AES, and WAPI encryption standards to protect your data from unauthorized access. Optimized for VoIP: APSD support enhances the efficiency and reliability of Voice over IP applications. Advanced Noise Reduction: Patented spurious noise cancellation algorithm boosts performance in System on Chip (SOC) environments. Bluetooth Compatibility: Integrated Bluetooth coexistence interface allows smooth operation alongside Bluetooth-enabled devices. Self-Calibrating RF: Achieves optimal RF performance without the need for factory tuning or additional components, simplifying design and reducing costs. Comprehensive Technical Specifications Wi-Fi Standards: 802.11 b/g/n for versatile and reliable wireless connectivity. Communication Modes: Supports Wi-Fi Direct (P2P) and soft-AP modes for diverse networking setups. Network Protocol: Integrated TCP/IP stack ensures reliable and efficient data transmission. RF Components: Features an integrated TR switch, balun, LNA, power amplifier, and matching network for superior signal quality. Performance Optimization: Equipped with integrated PLLs, regulators, DCXO, and power management units to maximize operational efficiency. Output Power: Delivers up to +19.5dBm in 802.11b mode, ensuring strong and stable signal transmission. Energy Efficiency: Maintains power down leakage current below 10µA, making it ideal for energy-conscious applications. Processing Power: Low-power 32-bit CPU effectively serves as an application processor for various tasks. Connectivity Interfaces: Supports SDIO 1.1/2.0, SPI, and UART interfaces to cater to diverse connectivity requirements. Data Transmission: Capable of STBC, 1x1 MIMO, and 2x1 MIMO; supports A-MPDU and A-MSDU aggregation with a 0.4ms guard interval for efficient data handling. Fast Wake-Up: Ensures quick wake-up and packet transmission within 2ms, facilitating responsive communication. Low Standby Power: Consumes less than 1.0mW in DTIM3 mode, significantly enhancing battery life for portable devices. Power Specifications Operating Voltage: 3.0V to 3.6V Operating Current: Over 300mA Power Consumption Details Continuous Transmission: Approximately 71mA on average, with peaks up to 300mA Modem Sleep: Around 20mA Light Sleep: Approximately 2mA Deep Sleep: As low as 0.02mA Memory and Storage SPI Flash Memory: Comes with a default 8Mbit (1MB) SPI flash memory Interface Specifications GPIO/UART: Multiple GPIO pins and UART interfaces for versatile connectivity options IO Ports: 2 IO ports available for extensive interfacing needs UART Performance Supported Baud Rates: From 300 to 4,608,000 bps, allowing for flexible communication s
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