# Sixth Lichuang Electric Competition# Intelligent Community Electric Vehicle Charging Station

* 1. Introduction to project functions

Due to the recent rise in the price of microcontrollers, many products cannot afford microcontrollers. They used to use ST microcontrollers, but now they can only use domestic ones. The entry this time was developed from the 4G module of the LUAT open source platform. This module can have I2C , USART, SPI, voice, etc., can completely replace the role of the microcontroller in the charging station. Currently, there is no implementation case using this solution on the entire network, so I chose to try it.

Function introduction

1. Self-stop when full: avoid overcharging and protect charging safety.
2. No-load power outage: When the charging station is not in working condition, the socket station is not powered.
3. Overload protection: When the power exceeds 500W, the circuit automatically cuts off power. The maximum power can be set independently, with a maximum support of 2000W.
4. Overvoltage protection: When the grid voltage is higher than 265V, all circuits will shut down the output. When the grid voltage is normal, power supply will be restored.
5. Undervoltage protection: When the grid voltage is lower than 185V, all circuits will shut down the output. When the grid voltage is normal, the power supply will be restored.
6. One machine with multiple controls: 8 independent channels without interfering with each other.
7. Float charging setting: The floating charging power can be set flexibly.
8. Power-off memory: When power is restored after a power outage, charging will continue according to the remaining charging time to protect the interests of users.
9. Voice prompts: Full voice prompts to facilitate user charging operations, and the voice volume is adjustable.
10. Charging standards: Charging standards can be set flexibly.
11. Remote OTA upgrade.
12. Remote monitoring.

*2. Project attributes

Original project; has not participated in any competition;

* 3. Open source agreement

The host computer adopts a custom protocol and is developed using winform. The source code is in the attachment at the end.

*4. Hardware part (please do not use it directly, please go to the attachment to download and use it)

Appearance panel collection CDR software design, design files are included in the attachment

Panels can be prototyped directly at Lichuang

*5. Software part

The host computer is developed using C#

Lower computer development using lua script

*6. BOM list

*7. Contest LOGO verification

* 8. Demonstrate your project and record it as a video for uploading

Video requirements: Please shoot horizontally, with a resolution of no less than 1280×720, in Mp4/Mov format, and the size of a single video is limited to 100M;

Video title: Lichuang Electric Competition: {Project Name}-{Video Module Name}; such as Lichuang Electric Competition: "Autonomous Driving" - Team Introduction.

More details: https://diy.szlcsc.com/posts/06c94d90c2c447dfbd9ed7339ff4a5b1