ANS-BT301M audio Bluetooth module, two-wheeled vehicle dashboard solution

In today’s rapidly developing food delivery industry, the number of active riders nationwide has exceeded ten million, making riding efficiency and driving safety core demands. For delivery riders, answering calls, listening to navigation, or playing music while riding is commonplace—but the risks of looking down at their phones are self-evident. How can efficient information exchange be achieved without compromising driving safety? The ANS-BT301M audio Bluetooth module brings a brand-new solution to smart dashboards for two-wheeled vehicles: through the collaboration of a mobile phone, Bluetooth headset, and dashboard, riders can keep their eyes on the road, with information readily available.

I. Pain Points of Smart Audio Needs in Two-Wheeled Vehicles

Currently, information exchange in two-wheeled vehicle riding scenarios faces three core pain points:

1. Looking down at a mobile phone—significant safety hazards

Checking incoming calls and changing songs while riding requires looking down at a mobile phone, which greatly increases the risk of traffic accidents. According to traffic police statistics, the probability of accidents caused by looking at a mobile phone while riding is more than four times that of normal riding.

2. Headphone Information Blind Spot – Easily Missed Calls

Relying solely on headphones to identify incoming calls makes it easy to miss crucial order calls in noisy street environments, directly impacting rider income.

3. Limited Functionality of Traditional Instruments

Most two-wheeled vehicle instruments on the market only display speed and battery level, lacking connectivity with smartphones and the ability to visualize media information, resulting in low levels of intelligence.

4. Regulatory Compliance Pressure

Many regions have enacted regulations prohibiting handheld calls while riding, creating an urgent need for compliant hands-free calling and information access solutions for riders.

It is against this backdrop that Ansiot Technology launched the ANS-BT301M, specifically optimized for two-wheeled vehicle smart instrument scenarios, comprehensively addressing the above pain points with a “three-terminal collaboration” concept.

II. Detailed Explanation of the Three-Terminal Collaborative System Architecture

The core innovation of the ANS-BT301M lies in its construction of a three-terminal intelligent collaborative system involving a smartphone, Bluetooth headset, and instrument panel, allowing each device to perform its specific function, maximizing riding safety and information efficiency.

Connection Logic:

The mobile phone acts as the main control center, running the music app and phone functions;

The Bluetooth headset connects to the phone via the A2DP/HFP protocol, handling audio playback and call transmission/reception;

The two-wheeled vehicle’s dashboard incorporates the ANS-BT301M, which connects to the phone via the AVRCP/HFP protocol, responsible for synchronizing media metadata and incoming call information, and transmitting control commands via buttons.

III. Music Playback Scenario: Synchronized Scrolling Lyrics Display

When delivery riders play music on their phones while riding, the ANS-BT301M Bluetooth module provides an immersive “listen to the music, see the lyrics” experience:

Workflow

The phone plays music, and the Bluetooth headset receives and plays the audio via the A2DP protocol;

The ANS-BT301M synchronously obtains song metadata (song title, artist, album art) via the AVRCP protocol;

The ANS-BT301M downloads the lyrics data and caches it locally;

The instrument panel’s MCU parses the lyrics file and displays the lyrics line by line in accordance with the current playback progress;

The rider can use the instrument panel buttons to perform previous/next/pause/play operations.

Technical Advantages

Supports lyrics download and local caching; cached lyrics can still be displayed after disconnection.

Supports media information synchronization (song title, artist, playback progress, playback status).

Lyrics refresh latency is controlled within 200ms, ensuring high synchronization between visual and auditory input.

Does not affect the audio output quality of the headset; A2DP and AVRCP use independent protocol channels.

IV. Caller ID and Hands-free Control Scenarios

Answering calls while riding is one of the most frequent and essential needs for food delivery riders. The ANS-BT301M enables caller ID visualization and hands-free control via the HFP protocol:

Workflow:

When a phone receives an incoming call, it pushes the caller ID to the ANS-BT301M via the HFP protocol;

The ANS-BT301M searches its local phonebook and matches the contact’s name;

The dashboard screen displays the caller ID and contact’s name in real time;

The rider issues answer/hang-up commands via the dashboard’s physical buttons or touch buttons;

The ANS-BT301M transmits the control commands back to the phone, which answers or hangs up the call, and the audio is automatically routed to the Bluetooth headset.

Features

V. ANS-BT301M Core Parameters and Product Advantages

As the core Bluetooth audio module of Ansiot Technology for intelligent audio scenarios in two-wheeled vehicles, the ANS-BT301M boasts significant advantages in integration, protocol support, and power consumption control:

Bluetooth Version: BT 5.3

Audio Protocols: A2DP / HFP / AVRCP

Data Protocols: SPP + BLE Pass-through

Operating Voltage: 3.0V ~ 4.2V

Audio Interfaces: Analog / Digital / TWS

Serial Pass-through: Supports UART Pass-through

Six Core Advantages

Professional Audio Protocol Coverage — Fully supports A2DP, AVRCP, HFP, PBAP, and other audio and phonebook protocols, ready to use out of the box;

Lyrics and Phonebook Download — Supports synchronized media lyrics and downloading phone contacts, offering industry-leading information visualization capabilities;

Dual Device Collaboration — Simultaneously connect a phone to headphones and a dashboard, with audio and data using independent channels to prevent interference;

High Integration and Small Size — Compact package, directly soldered to the instrument cluster PCB, eliminating the need for additional RF design;

Dual-mode Bluetooth — Classic Bluetooth (audio) + BLE (data pass-through), a single module meets both audio and data requirements;

Enhancing overall vehicle value — Lyrics display + caller ID + hands-free control significantly improve the product’s technological appeal and premium pricing power.

VI. Application Scenarios Expansion: Beyond Delivery Riders

Although the ANS-BT301M Bluetooth module was initially designed for delivery rider scenarios, its three-terminal collaborative architecture has broad applicability:

Electric motorcycles/electric bicycles—Urban commuting scenarios, caller ID and music control are equally essential;

Electric scooters/shared electric bicycles—Short-distance travel scenarios, smart dashboards can serve as a product differentiation selling point;

Electric tricycles/logistics vehicles—Delivery scenarios, hands-free calling improves delivery efficiency and safety;

Outdoor cycling equipment—Sports cycling scenarios, dashboard displays exercise data + music information + call reminders;

Smart helmets + dashboard linkage—Helmet with built-in Bluetooth headset, dashboard displays information, creating a complete smart cycling ecosystem.

VII. Integration Development Guide: How to Quickly Deploy

For two-wheeled vehicle dashboard development teams, the typical process for integrating the ANS-BT301M is as follows:

From requirements confirmation to prototype integration testing, the typical cycle is 2-4 weeks. Ansiot Technology offers free samples and one-on-one technical support, significantly lowering the integration barrier.

VIII. Domande frequenti

The following are the most frequently asked questions by developers and product managers when evaluating the ANS-BT301M:

What Bluetooth audio protocols does the ANS-BT301M support?

The ANS-BT301M fully supports classic Bluetooth audio protocols such as A2DP (Advanced Audio Distribution), AVRCP (Audio/Video Remote Control), and HFP (Hands-free calling). It also supports the PBAP (Phonebook Access) protocol for contact downloading. Furthermore, it features built-in BLE 5.x Low Energy Bluetooth and SPP serial port pass-through, allowing a single module to cover both audio and data needs.

How much space is needed to integrate a Bluetooth audio module into a two-wheeled vehicle’s dashboard?

The ANS-BT301M features a highly integrated design with a compact module size (approximately 15mm × 20mm). It can be directly soldered onto the dashboard PCB without requiring additional RF wiring, fitting the internal space of most two-wheeled vehicle smart dashboards. The antenna is integrated inside the module, eliminating the need for an external antenna and further simplifying the structural design.

Will there be any conflict if a mobile phone connects to both a Bluetooth headset and the dashboard simultaneously?

No, there will be no conflict. Modern smartphones support simultaneous connection of multiple Bluetooth devices (Multipoint): The headset plays audio via the A2DP/HFP protocol, while the dashboard simultaneously obtains song information and incoming call data via the AVRCP/HFP protocol. Each device performs its own function and uses its own independent channel, without interference. The ANS-BT301M has undergone extensive compatibility verification on mainstream Android and iOS phones.

Can this solution be applied to electric bicycles or electric scooters?

Absolutely. The ANS-BT301M operates within a voltage range of 3.0V to 4.2V, is compatible with lithium battery power, and is suitable for intelligent instrument systems on various two-wheeled vehicles such as electric bicycles, electric scooters, and electric motorcycles. Regardless of vehicle brand or instrument solution, it can be quickly integrated using only a UART interface.

IX. Conclusion

With the accelerating trend of intelligentization in two-wheeled transportation, simple speed and battery level displays are no longer sufficient to meet user needs. Stricter riding safety regulations, strong rider demand for information interaction, and intensified brand differentiation competition are driving two-wheeled vehicle instruments to evolve from “functional instruments” A “intelligent information terminals.”

Ansiot Technology’s ANS-BT301M, with its complete audio protocol support, synchronized lyrics and phonebook functionality, and three-terminal intelligent collaborative architecture, provides two-wheeler brands with a ready-to-use intelligent bluetooth audio solution:

Music Scenarios — Synchronized scrolling lyrics display, keeping riders’ eyes on the road;

Call Scenarios — Caller ID display + hands-free answering via dashboard buttons, ensuring full compliance;

Three-Terminal Collaboration — Mobile phone + headset + dashboard, each performing its specific function, ensuring safety and efficiency.

If you are developing a smart dashboard for two-wheelers or upgrading your existing dashboard solution, please contact Ansiot Technology to obtain a free sample of the ANS-BT301M and complete technical documentation.