Engineering Scope
The development of low-power electronic seals is oriented to the use requirement of "transportation seals need to record disassembly and authorized unlocking", and the collection, processing, communication and power supply are designed as one set of products. The project can start from new main board development, existing firmware modification or designated module integration. The development scope is confirmed based on the target function, existing foundation and delivery requirements.
Interfaces and Product Integration
Develop closed loop or switch detection, tamper-proof records, authorization verification, optional lock control interfaces and event uploading.
Power Supply and State Scheduling
Continuously check the necessary inputs, save the time when the event occurs, report it after connecting to the Internet and record the receipt.
Data and System Integration
Clarify connections and data formats around closed loops, switches, tamper protection, identity verification and optional lock drivers, and define recording, transmission, acknowledgment and exception states.
Prototypes, Testing and Deliverables
Form the sealing circuit, event firmware, authorization agreement and power outage event record, focusing on verifying the permanent anti-tamper current, unlocking peak value, repeated commands and power outage traces.
System Architecture and Operation
Continuously check the necessary inputs, save the time when the event occurs, report it after connecting to the Internet and record the receipt.
- Interface composition: closed loop, switch, anti-tamper, identity verification and optional lock driver.
- Work scheduling: Determine each status based on sampling, interaction and reception requirements, indicating which circuits continue to run.
- Exception handling: Define deadlines, bounded retries, and recovery behaviors for applicable communication, sensing, or execution tasks.
Design Conditions and Functional Limits
The electronic event recording and sealing mechanical protection capabilities are verified separately.
Define power targets together with functional requirements. Battery-life estimates must specify the battery, temperature, operating cycle, event frequency and network conditions. Keep estimates separate from continuous-operation test results.
Project Inputs
| Data category | Startup data |
|---|---|
| business work cycle | The transportation seal needs to record disassembly and authorized unlocking; provide typical usage procedures, sampling and upload times, target battery life, and response requirements. |
| Product interface and structure | Closed loop, switch, anti-tamper, identity verification and optional lock driver; for existing products, provide schematics, a bill of materials (BOM), firmware and prototypes. |
| Batteries and site conditions | Provide battery model, power supply range, cut-off voltage, temperature, installation method and communication conditions. |
| Delivery and Responsibility | Clarify the scope of source code and design files, platform docking, number of prototypes, test conditions and third-party work. |
Delivery and Acceptance
| Delivery project | Verification method |
|---|---|
| Design and implementation | The sealing circuit, event firmware, authorization agreement and power outage event record; the scope of hardware, source code and third-party components are clearly stated in the statement of work. |
| Functional verification | Continuously check the necessary input, save the time when the event occurs, report and record the receipt after connecting to the Internet; record the input, output and recovery results of each status. |
| Power consumption verification | Anti-tamper quiescent current, unlocking peak, repeated commands and power outage traces. Fix the battery side measurement point to record the energy from the full task cycle until the device returns to sleep. |
| Exceptions and retesting | Covers applicable situations such as low battery, continuous triggering, loss of connection or restart, and retains original logs, waveforms and versions. |
Specialist Engineering Services
Select the required modules based on the existing product. Interfaces and responsibilities are defined in the project scope.
Low-Leakage Hardware and PCB Development
Low-leakage hardware and PCB development services, checking static paths, protection devices, level translation and device quiescent current, delivering schematics, PCB source files, BOM, manufacturing files and node current records. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeSpecialist EngineeringBattery Power, Charging and State-of-Charge Management
Battery power supply, charging and power management development services, design conversion, charging and protection, determine power estimation and low battery threshold, deliver power circuit, parameter configuration, status interface and load test records. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeSpecialist EngineeringMCU Sleep and Wake-Up Firmware Development
MCU Sleep wake-up firmware development service, develops sleep entry conditions, wake-up determination, clock recovery and driver reconstruction, and delivers state machine, firmware, wake-up timing and function regression records. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeSpecialist EngineeringLow-Power State Machine and Fault Recovery Development
Low-power state machine and exception recovery development services, design failure exit, bounded retry, persistence and restart recovery, delivery of state diagrams, code, configuration and fault injection records. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeSpecialist EngineeringSystem Power, Battery Life and Environmental Validation
Complete machine power consumption, battery life and environmental verification services, measuring state current, event energy, peak voltage drop and long-term business operation, delivering original waveforms, logs, calculation sheets, test reports and coverage. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeFrequently Asked Questions
Can events be saved even if the power is turned off after disassembly?+
It is necessary to design the available energy storage and event writing timing, and test the power outage time and storage consistency; the implementation capability is determined by the sealing structure and power supply conditions.
Is it possible to develop only part of an existing product?+
Module development or power consumption optimization can be carried out according to the existing interface and modifiable range. For this product, you first need to check the closed circuit, switch, tamper protection, identity verification and optional lock driver, and then determine the scope of modification and return.
How to determine the cost and period of this project?+
The evaluation is split based on deliverables such as sealing circuits, event firmware, licensing agreements, and power outage event records; prototype materials, structures, platforms, external tests, and new functions are listed separately, and quotations and nodes are formed after the requirements and interfaces are confirmed.
Engineering References
The configuration of GPIO should be checked together with the external circuit, sleep mode and wake-up status; the actual parameters are subject to the target chip data and the whole board test. GPIO and power state design reference
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