Generic ESP-01 ESP8266 Serial WIFI Wireless Transceiver Module | Compact IoT Connectivity | AT Command Firmware
₹149.00₹250.00 (price_including_tax) (-40%)
Empower your embedded systems with robust Wi-Fi capabilities. Seamlessly integrate network functionality into microcontrollers for advanced IoT applications. Experience consistent performance and broad compatibility for your next innovative project.
Compact ESP-01 module provides reliable serial Wi-Fi connectivity for embedded IoT projects.
Seamlessly add robust wireless networking to microcontrollers with simple serial commands.
Its small design makes it perfect for miniature IoT devices and embedded applications.
Leverage the proven performance and extensive community support of the powerful ESP8266.
The Engineering Behind ESP-01 ESP8266 Module
The ESP-01 is a foundational Wi-Fi module built around the Espressif ESP8266EX System-on-Chip (SoC), specifically engineered to provide full-fledged Wi-Fi networking capabilities to other microcontrollers via a simple serial (UART) interface. It operates as a powerful bridge, enabling devices like Arduino or custom PCBs to communicate wirelessly over 2.4 GHz 802.11 b/g/n networks, making it indispensable for IoT prototyping and deployment.
Designed for compact integration, the module features an integrated PCB antenna and minimal external components, ensuring a robust yet small footprint. Its firmware typically supports AT commands, allowing straightforward control and configuration from any host microcontroller. This design philosophy prioritizes ease of use while maintaining the core capabilities required for reliable wireless communication in diverse environmental conditions.
Integrated ESP8266EX SoC
At its core, the ESP8266EX is a highly integrated chip featuring a 32-bit Tensilica L106 microcontroller, full TCP/IP stack, and Wi-Fi MAC/baseband/RF capabilities. This integration eliminates the need for external network controllers, dramatically simplifying hardware design and reducing bill of material costs for Wi-Fi-enabled products, offering an economical pathway to connected devices.
Flexible Serial Communication Interface
The ESP-01 communicates primarily through its UART (Universal Asynchronous Receiver/Transmitter) interface. This standard serial protocol ensures broad compatibility with virtually any microcontroller, facilitating easy data exchange and command execution. This structural choice resolves traditional operational pain points by abstracting complex Wi-Fi protocols into simple, manageable serial commands, significantly accelerating development cycles.
Optimized for Performance & Integration
- Chipset: ESP8266EX
- Interface: UART (Serial)
- Wi-Fi Standard: 802.11 b/g/n (2.4 GHz)
- Operating Modes: STA/AP/STA+AP
- Operating Voltage: 3.3V DC
- Logic Level: 3.3V
- Flash Memory: 512KB (typically)
- GPIO Pins: 2 (GPIO0, GPIO2)
Features & Benefits
- ESP8266EX Microcontroller: Provides a powerful 32-bit core for efficient Wi-Fi processing and application execution.
- Compact Form Factor: Minimizes board space, making it ideal for space-constrained IoT and wearable projects.
- Standard AT Command Set: Simplifies wireless communication control from any host microcontroller via UART.
- Integrated PCB Antenna: Offers reliable wireless signal reception and transmission without external antenna requirements.
- Low Power Consumption: Optimizes battery life for portable and energy-sensitive embedded applications.
- Open-Source Ecosystem: Benefits from a vast community, libraries, and development tools for rapid prototyping.
Pro-Grade Advantages
- Cost-effective entry into Wi-Fi connectivity for embedded systems.
- Standard UART interface ensures broad compatibility with various microcontrollers.
- Compact size facilitates integration into small-scale and portable projects.
- Robust AT command firmware simplifies network management and data transmission.
Technical Considerations
- Limited GPIO pins (2) restrict direct peripheral control without a host MCU.
- Requires a 3.3V power supply and logic level conversion for 5V systems.
What is the primary function of the ESP-01 module?
The ESP-01 module primarily provides Wi-Fi connectivity to other microcontrollers, acting as a serial-to-Wi-Fi bridge for IoT applications.
What operating voltage does the ESP-01 require?
The ESP-01 module requires a stable 3.3V DC power supply for optimal and reliable operation.
Can the ESP-01 module be programmed directly?
Yes, while often used with AT commands via a host MCU, the ESP-01 can be directly programmed using the Arduino IDE or ESP-IDF framework via a USB-to-serial converter.
How many GPIO pins does the ESP-01 have?
The ESP-01 module typically exposes two general-purpose input/output (GPIO) pins: GPIO0 and GPIO2.
Is the ESP-01 compatible with 5V microcontrollers like Arduino Uno?
While compatible, it requires a logic level converter for the data lines (TX/RX) to bridge the 5V logic of Arduino Uno to the 3.3V logic of the ESP-01 to prevent damage.
| Specification | Value |
|---|---|
| Chipset | ESP8266EX |
| Wi-Fi Standard | 802.11 b/g/n |
| Frequency Band | 2.4 GHz |
| Operating Voltage | 3.3V DC |
| Logic Level | 3.3V |
| Interface | UART (Serial) |
| GPIO Pins | 2 (GPIO0, GPIO2) |
| Flash Memory | 512KB (Typical) |
| Antenna | Integrated PCB Antenna |
| Operating Current | ~80mA (Avg) |
| Max Current | ~200mA (Peak Tx) |
Additional information
| Brand | Generic |
|---|---|
| Technology | Microcontroller, Wi-Fi |
| Processor/SoC | ESP8266EX |
| Operating Voltage | 3.3V DC |
| Connectivity | 802.11 b/g/n Wi-Fi, UART |
| Control Interface | UART (AT Commands) |
| RAM/Flash Memory | 512KB Flash (typical) |
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