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WF121-E-V2
+NomenclatureRF TXRX MODULE WIFI U.FL SMD
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FabricantLaboratoire de silicium
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Pièce fabricant #WF121-E-V2
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Fiche technique WF121-E-V2 DataSheet
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En stock23013
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Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| RF Family/Standard | WiFi |
| Protocol | 802.11b/g/n |
| Frequency | 2.4GHz |
| Data Rate | 72.2Mbps |
| Power - Output | 17dBm |
| Sensitivity | -97dBm |
| Serial Interfaces | I2C, Ethernet, SPI, UART, USB |
| Antenna Type | Antenna Not Included, U.FL |
| Memory Size | 512kB Flash, 128kB SRAM |
| Voltage - Supply | 2.3V ~ 3.6V |
| Current - Receiving | 127mA |
| Current - Transmitting | 143mA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | Module |
| Base Product Number | WF121 |
| DigiKey Programmable | Not Verified |
Présentation
Description
The WF121-E-V2 is equipped with an integrated antenna, simplifying the design process and reducing the need for external components. It supports various Bluetooth profiles, ensuring compatibility with different devices and applications. Additionally, it offers robust security features to protect data transmission.
In terms of development, the module is supported by development kits and software tools, allowing for straightforward setup and customization. It is designed to work seamlessly with a variety of microcontrollers and microprocessors, providing flexibility in design choices.
Overall, the WF121-E-V2 is a cost-effective solution for developers looking to incorporate Bluetooth functionality into their products, with a focus on ease of use and reliable performance.
Equivalent
1. ESP8266 - A low-cost Wi-Fi microchip with full TCP/IP stack.
2. ESP32 - Offers more features like Bluetooth and dual-core processing.
3. Microchip's ATWINC1500 - A low-power 802.11 b/g/n Wi-Fi module.
4. TI's CC3200 - A wireless MCU with integrated Wi-Fi.
These alternatives vary in capabilities, so selection depends on specific project requirements.
Features
1. Wi-Fi Connectivity: Supports IEEE 802.11b/g/n for robust wireless communication.
2. Integrated TCP/IP Stack: Simplifies network management and reduces the need for external controllers.
3. UART Interface: Provides easy integration with host microcontrollers via a universal asynchronous receiver-transmitter interface.
4. Compact Form Factor: Enables integration into space-constrained designs.
5. Security: Supports WPA, WPA2, and WEP encryption standards to ensure secure data transmission.
6. Low Power Consumption: Designed for energy efficiency, suitable for battery-powered applications.
7. Flexible Firmware: Can be updated to maintain functionality and security over time.
8. Embedded HTTP Server: Allows for easy device management and configuration through a web interface.
9. Antenna Options: Supports external antennas for enhanced range and flexibility.
10. RoHS Compliance: Environmentally friendly, adhering to restrictions on hazardous substances.
These features make the WF121-E-V2 suitable for various IoT applications, industrial automation, and other wireless communication needs.
Pinout
1. Power Supply Pins: They provide the necessary power to the module.
2. Ground Pins: For grounding the module.
3. UART Pins: Used for serial communication, primarily for interfacing with other devices.
4. SPI Pins: Enable communication using the Serial Peripheral Interface protocol.
5. GPIO Pins: General-purpose input/output pins for interfacing with external hardware.
6. Reset Pin: Used to reset the module.
7. Wake-Up Pin: Allows the device to be woken from sleep mode.
8. ADC Pin: For analog-to-digital conversions, useful for sensor inputs.
9. PWM Pin: For Pulse Width Modulation, often used in controlling motors and LEDs.
10. I2C Pins: Allow communication with other ICs using the I2C protocol.
These functions enable the WF121-E-V2 to serve as a versatile module for integrating Wi-Fi capabilities into various applications, including IoT devices and embedded systems.