In my country, there is a serious imbalance between the number of cars and the total number of parking spaces. Especially in medium and large cities, there is a large gap in the total number of parking spaces, and it is often difficult for car owners to find one. At present, the management functions of most domestic parking lots are only the charging and guiding functions of a single parking lot, and they do not have the ability to connect to the city and cannot realize the function of city parking guidance. Therefore, the market needs a parking guidance system with various forms, low cost, suitable for popularization, convenient use, rich content, remote query and reservation, to solve the problem of urban static traffic.
So, how can we achieve intelligent parking guidance? Ebyte gives you the answer!
Through the E22-400T22S LoRa wireless module, the gateway and the background server are used to dynamically monitor the parking space situation; vehicle A enters the entrance gate, and the unused parking space X001 is dynamically allocated through the background server. If there is no idle parking space, the vehicle is required to wait; once the background is allocated The parking space number X001 is changed to the locked state; Vehicle A finds the parking space allocated to itself according to the static guidance sign, and the sensor on the parking space X001 transmits the stopped state through the E22-400T22S wireless module. Go to the background, the status is updated in the background, and it is no longer allocated to other vehicles; when the vehicle leaves the field, when the vehicle leaves, the parking space sensor transmits the status and parking duration to the background server through the wireless module, and the background server calculates the parking fee and changes the status to "unallocated". ”, at this time the parking space is used by another car.
Project difficulties
Complex environments, usually basements or multi-vehicle applications, with limited wireless transmission distance
Low power consumption requirements, some sites cannot provide continuous and stable power
There are many access points, and the signals interfere with each other
The E22-400T22S independently developed by Ebyte has low power consumption, long distance, anti-interference, multi-channel and other properties, which are very suitable for the application of intelligent parking lot, and perfectly solve these difficulties from the perspective of technical application.
Product introduction
E22-400T22S is a wireless serial port module (UART) based on SEMTECH's SX1268 RF chip. It has a variety of transmission methods and can work in the 433/470M frequency band. It adopts a new generation of LoRa spread spectrum technology, which is farther away than SX1278. , lower power consumption, smaller size; support air wake-up, wireless configuration, carrier monitoring, relay networking functions.
Features
Automatic relay networking
Adopt a new generation of LoRa spread spectrum technology to make communication more stable and worry-free
Compared with SX1278, it has longer distance, lower power consumption and smaller size
Has a variety of transmission methods
communication key, wireless configuration,
Support 4 working modes
Dual Antenna Options
Case advantage
Internet data sharing to realize functions such as parking guidance, fast payment, and fast entry and exit.
Parking guidance and parking space guidance greatly shorten the parking time, so that people no longer need to find a parking space intelligently and enter the parking lot, effectively solving a series of problems such as people's parking difficulties
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