The modern era is all about Wireless RF embedded experience permitting data transmission between two devices wirelessly through radiofrequency. A WiFi module with UART interface is a part of convenient software that has the potential to execute different wireless arrangements. Some of the highly professional companies like Skylab are offering this amazing product at an affordable cost. WiFi module has become an integral part of modern-day wireless communication. It allows local area networks to operate without a conventional system of wiring and cables.
WiFi endorses a wireless technology that connects IoT devices including tablets, computers, smartphones, etc. to the internet. The radiofrequency emitted from a wireless router to a nearby device interprets the signal into data.
The users can see and use the data efficiently. A UART (Universal Asynchronous Receiver/Transmitter) is a microchip with built-in programming. It is one of the simplest forms of device-to-device digital communication.
However, it is not a communication protocol, but a type of physical circuit in a stand-alone IC. UART chiefly controls a computer's interface to its attached serial devices to transmit and receive serial data. It receives the bytes from the computer along with parallel circuits and transforms them into a single serial bit stream for outbound transmission.
The module supports the addition of secure and interoperable WiFi functionality. It usually incorporates two Ethernet serial ports integrates a basic AT command set for wireless products. It is an 802.11 b/g/n compliant module and offers WiFi networking and a TCP/IP stack. In this way, it enables simplified WiFi integration into any MCU-based consumer product.
The internally integrated operating system provides a complete solution for WiFi networking through supporting serial port transparent transmission. Its main features are:
The 802.11 b/g/n is an extension to the 802.11 specifications and a standard set for Wireless Local Area Networks (WLANs). It controls data transmission over short distances. The maximum network bandwidth is 54 Mbps in the 2.4 GHz bands.
TCP/IP stands for Transmission Control Protocol/ Internet Protocol. This model offers a highly reliable and end-to-end byte stream over unreliable internetwork. It determines the way a specific computer connects to the internet for the transmission of data. UDP employs a simple transmission method for ordering, reliability, or data integrity.
The high-performance module launched by Skylab supports the 802.11b/g/n protocol. Customers do not need to go into the details of UART/GPIO/Ethernet Data Communication Interface protocol to connect devices. With high-performance modules, the traditional applications are easily accessible to the wireless network through UART or 100M Ethernet interface.
An example of such a WiFi module is SKYLAB LCS6260 IOT UART Wifi Module With Low Power Application Processor.
| 802.11 Wireless Standards | ||
| IEEE Standard | Frequency/ Medium | Speed |
| 802.11 | 2.4GHz RF | 1 to 2Mbps |
| 802.11a | 5GHz | Up to 54Mbps |
| 802.11b | 2.4GHz | Up to 11Mbps |
| 802.11g | 2.4GHz | Up to 54Mbps |
The low-cost high-performance module supports a complete WiFi protocol configuration utility incorporating STA/AP/AP+STA mode.
The bridge mode connects two routers without degrading the performance by disabling the NAT feature on the modem. It avoids IP address conflict besides extending the WiFi coverage at home/ office.
All features get a boost by a built-in antenna, external antenna connector, and an interface port to the carrier board. The WiFi module has a built-in internal antenna. The need for an external antenna arises where there is a possible issue of a GPS signal.
The transparent transmission mode keeps the data the same during data transmission through the WiFi module. The transparent transmission process ensures the quality of data transmitted.
The AT+ command configures the ESP8266 WiFi Module with UART interface in Soft Access Point (AP) Mode.
The WiFi module supports a friendly web configuration page to avoid confusing functionality.
This function determines if the WiFi module is active, alive, or needs to reboot.
The WiFi module auto frames the data received from the UART port according to the auto-frame trigger length and auto-frame trigger time parameters. It sends the data to the network as a pre-defined data structure.
Usually, the digital electronic components and circuits operate on 3.3V+/-10% power.
The device is amazingly compact and needs a lot less space to occupy.
The radiofrequency devices in the US comply with Federal Communication Commission certification. Furthermore, the device features RoHS compliance (lead-free).
Simplify your system that supports wireless embedded technology. For best indoor positioning/ asset tracking, look towards solutions that simplify the management of IoT projects. WiFi module with UART interface provides reliability, quality, and security of wireless data transmission between two devices. The complete OEM Wifi Module focuses on higher economic performance with low-cost and low-power wireless AP solutions. The new wireless technology favors easy-to-network for serial devices. The two-way fully transparent data transmission integrates an average 10/100M adaptive Ethernet service for a long run of system applications.
An example of the Wi-Fi Module is SKYLAB LCS626. It is a small, single-stream, 802.11b/g/n WiFi module that integrates an onboard low-power application processor. The combination of low-cost UART-WiFi - Ethernet data transmission makes it an ideal solution for low power automation and sensor solutions with high efficiency and low power consumption.
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