Hey, have you always seen smart cars that can "ogee" on Douyin recently? How do those LED screens that can display emoticons and weather animations be embedded in the car without violating the rules? Today we broke it apart, crushed it and talked about it——​ ​Where should the car expression screen be installed?​ ​, after reading this article, you can also become a modification expert in your circle of friends!

1. The front of the car: a walking electronic expression pack

As for the most eye-catching location,​ ​Above the front air intake grille​ ​Definitely number one. This is originally the visual center. Install a 30cm wide bar screen and put a dynamic smiley face when waiting for a red light. The driver behind you will be amused!

​​Measured data​ ​: After a new power model was installed here, the user's spontaneous communication rate increased by 47%. But there are three points to note:

1. ​​The brightness must be strong enough​ ​: At least 5000 nits during the day, otherwise you will become "blind" as soon as the sun shines"
2. ​​The heat dissipation needs to be strong​ ​: In the high temperature environment of the engine compartment, an active cooling fan is required
3. ​​The shape should fit​ ​: The curvature must follow the lines of the front of the car. Don’t look like you have a plaster on it.

2. Car door handle: Responsible for the ritual feeling when unlocking

Nowadays, high-end cars use hidden door handles that fit right into the recess.​ ​5-inch special-shaped screen​ ​. The welcome animation automatically plays when the car owner approaches, which is ten times more advanced than traditional welcome lights!

​​A Guide to Avoiding Pitfalls​​：

• select​ ​Flexible screen​ ​More resistant to scratches and can be bent 15° without cracking
• The level of protection must​ ​IP67​ ​, you are not afraid of direct spray from the high-pressure water gun when washing your car.
• It is easiest to use the window lifting circuit for power supply, but remember to install a voltage stabilizing module.

There was a modification case last year. The owner installed an interactive screen on the door handle of his Tesla. He played the Snake game while waiting for charging, and it became an internet celebrity check-in spot!

3. Roof rack: a new way to play mobile billboards

Commercial vehicles are perfect for this location! exist​ ​A bar screen with P4 spacing is installed on the outside of the luggage rack.​ ​, it can scroll and play promotional information when running at high speed. The key is that it is easy to disassemble and assemble. What you pull today can turn into a wedding fleet tomorrow.

​​Industry black technology​​：

• ​​Magnetic quick release design​ ​: 10 seconds to complete installation/disassembly
• ​​Light sensor automatically brightens​ ​: Automatically lower the brightness when entering a tunnel to avoid dazzling eyes
• ​​Car grade waterproof​ ​: Stable work even in heavy rains

A milk tea chain brand installed this kind of screen on the roof of its delivery vehicle, and the number of store inquiries soared by 32% that month, which is much more effective than sending out flyers!

4. Rear bumper: interactive taillight PLUS version

Are traditional brake lights too boring? exist​ ​A horizontal bar screen is installed in the middle of the rear bumper​ ​, automatically turns into a huge exclamation mark when braking suddenly, and can also display an interesting animation of "Attention to vehicles following".

​​Safety instructions​​：

1. The brightness should automatically drop below 300 nits at night
2. Warning colors other than red are prohibited
3. Content switching speed ≤0.5 seconds to prevent driver distraction

A car forum held a modification competition, and the winning entry was an emoticon that displayed "Brother, please tap" at the moment of a rear-end collision. It is said that several accidents were avoided!

5. Charging port cover: the social business card of new energy vehicles

What's the most boring thing about charging an electric car? exist​ ​A flip screen is installed on the inside of the charging cover​ ​, insert the gun and automatically play the brand LOGO, and you can also watch short videos while waiting.

​​Technical points​​：

• Select​ ​Ultra-thin micro-pitch screen​ ​, the thickness does not exceed 8mm
• The power supply is connected to the slow charging line, and it automatically sleeps when fully charged.
• The rotating shaft needs to be tested for opening and closing 100,000 times

There was a recent case of explosive modification. The car owner used this screen to play online games while charging, attracting half of the people in the service area to watch, and the charging pile became a temporary social venue!

Advice from veteran drivers

I have been doing car modification for eight years and have seen too many rollover cases. Three points of blood and tears experience sharing:

1. ​​Line security is greater than the sky​ ​: Don’t try to save trouble and connect the CAN bus, be careful of the vehicle system reporting an error.
2. ​​Content review should be strict​ ​: Never define sensitive words, you will be targeted by the traffic police every minute on the road.
3. ​​Heat dissipation is more important than appearance​ ​: The most exaggerated thing I have ever seen. In summer, the temperature of the screen can fry eggs.

Now high-end modification shops are promoting​ ​Intelligent central control linkage solution​ ​, you can use the steering wheel shortcut keys to switch the screen display content. The initial investment of this kind of system is 30% more expensive, but the subsequent playability is much higher. Before the next modification, remember to draw a circuit topology diagram first, so as not to let your car become a "string monster"!

Finally, here is some hard-core data: the market size of vehicle-mounted expression screens is expected to exceed 5 billion in 2025, but the compliance modification rate is less than 18%. If your car doesn’t have a talking screen, you’ll be embarrassed to say hello to people when you go out!

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