1. Introducció
The MAIMEIMI B3 Car Head Up Display (HUD) is a multi-functional OBD meter designed to enhance driving safety and convenience by projecting essential vehicle information directly into the driver's line of sight. This device features a new interface design, clear day and night visibility with zero ghosting, and a compact body that does not obstruct the driver's view. It includes multiple alarm functions and automatic adjustments for optimal performance.

Figure 1: B3 OBD+GPS Head Up Display
2. Característiques clau
- Multi-function OBD Meter: Displays various vehicle data without film or ghosting, ensuring clear visibility day and night.
- Disseny compacte: Small body suitable for placement on the dashboard without obstructing the driver's view.
- Funcions d'alarma múltiples: Inclou alarma de sobrevelocitat, alarma de RPM, alarma de temperatura de l'aigua, alarma de volumtage alarm, and tired driving reminder.
- Ambient Light Alarm: Visual alerts for various conditions.
- Seamless Fastening Technology: Ensures a beautiful and durable form factor.
- Pantalla suau: Utilizes a numerical lubrication algorithm for consistent and smooth data display without jumping speed.
- High-definition LED: Automatic light sensitivity adjustment for clear display in varying light conditions.
- Encès/apagat automàtic: Device automatically powers on when the car starts and off when it stalls.
- Actualitzacions de maquinari: Features a new low-power chip for significantly reduced standby power consumption.
3. Especificacions
| Atribut | Valor |
|---|---|
| Nom de marca | MAIMEIMI |
| Model | B3 |
| Freqüència de sortida | OBD2 |
| Potència nominal | B3 |
| Size (L/W/H) | 168mm / 43mm / 16mm |
| Tipus de connexió | Filferro |
| Origen | Xina continental |
| Funcions de visualització | Speed, Clock, RPM, Water Temperature, Driving Time, Driving Distance, Fuel Consumption, Voltage |
| Funcions d'alarma | Overspeed, RPM, Water Temperature, Voltage, Tired Driving Reminder |
| Unitat de temperatura | °C/F |
| Unitats de velocitat | KM/H-km, MPH-miles |
| Disseny | Semi-arc three-dimensional design, 30mm deep brim, flow-shaped arc surface |
4. Contingut del paquet
El paquet inclou els articles següents:
- 1 x B3 Head-Up Display Unit
- 1 x Estora antilliscant
- 1 x OBD Line
- 1 x manual d'instruccions

Figura 2: Contingut del paquet
5. Guia d'instal·lació
The B3 HUD is designed for lossless, plug-and-play installation.
- Connect to OBD Port: Locate your vehicle's OBD receptacle connector, typically found under the dashboard on the driver's side. Plug one end of the provided OBD line into this port.
- Encamina el cable: Carefully route the OBD cable along the dashboard and stuff it into the A-pillar seal to conceal it and prevent obstruction.
- Place the HUD: Connect the other end of the OBD line to the B3 HUD unit. Place the HUD unit on your dashboard, ensuring it is stable and does not obstruct your view of the road. Use the provided non-slip mat to secure the device.

Figura 3: Passos d'instal·lació
6. Compatibilitat
The B3 Head Up Display is a dual-system device compatible with gasoline vehicles that support the OBD2 agreement. Please note the following:
- For vehicles in the United States, compatibility is generally for gasoline vehicles produced after 2004.
- For vehicles in other regions, compatibility is generally for gasoline vehicles produced after 2008.
To confirm compatibility, check for an
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