Development Scope
Device and interface access
Connect water pumps, valves, timing measurement and safety status, and define order authorization, service switching, pause and abnormal stop interfaces.
Product business functions
Access timing, measurement and execution equipment, and develop authorized startup, service status, abnormal stop, order verification and maintenance management.
Platform and data connection
Combined with the business link of order or authorization → local condition check → device execution → 4G result return → order and maintenance management, the device identity, data fields, update time, exception status and result confirmation method are defined.
Exception handling and operational constraints
On-site protection and emergency stop are independent of the network; cost calculation, refund and payment settlement are handled by the agreed business platform.
Data and Operational Workflow
Order authorization → Local condition check → Service execution → Timing measurement record → 4G return → Order verification.
The device side, communication side and platform side retain necessary status and logs respectively. Project integration testing is checked with actual equipment data and execution results, and network connection status and business completion status are recorded separately.
Project Inputs
- Existing device models, interface and wiring diagrams, licensing agreements, data samples and available codes.
- Business processes and parameters: equipment execution interface, timing measurement, order rules and on-site protection.
- Target location, operator, SIM/APN, power supply, installation method and equipment size.
- Existing platform interfaces, user roles, development modules, number of prototypes and planned nodes.
Deliverables and Acceptance
| Deliverables | Delivery content | Verification method |
|---|---|---|
| product realization | Hardware design data, prototypes or existing equipment modification data involved in the project, as well as corresponding firmware and interfaces | Verify authorized startup and service switching. |
| Business integration testing | Data fields, status definitions, platform adaptation procedures and business integration testing records | Check timing, metering and closing data. |
| Version and test data | Target hardware and software versions, build or deployment instructions, parameter configurations and test logs | Test equipment failures, network outages and duplicate order commands. |
First confirm the scope and key functions, then complete prototype or software development, system integration testing and stage acceptance. The acceptance conditions list the prototype, version, environment, duration and passing threshold; source code, design documents, third-party licenses, materials, traffic, cloud resources and on-site work are agreed separately.
Frequently Asked Questions
What happens to ongoing services when the network is down?+
The continuation, time-limited completion, or stop strategy should be determined based on the equipment process and order rules. The terminal saves the execution record and checks it with the platform after restoring the network. On-site protection still runs according to local logic.
Can I only entrust some functions of the self-service car wash control terminal?+
The device interface, terminal program, 4G communication and platform integration testing can be split based on the existing R&D foundation. Please provide existing information and target boundaries, first check "equipment execution interface, timing measurement, order rules and on-site protection", and then clarify the deliverables and interface responsibilities of each module.
How are costs and cycle time assessed?+
Split the workload based on target devices, interfaces, existing data, and verification criteria. This project focuses on checking the equipment execution interface, timing and measurement, order rules and on-site protection; when prototypes, on-site integration testing or third-party platform cooperation are required, the corresponding costs, prerequisites and nodes will be listed separately.
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