Smart Sensor Trash Can Project Case
Smart Home | Client：某家居品牌
Project Background: The client is a home supplies company in Yongkang, needing to develop a smart sensor trash can for European and American markets, requiring simple appearance, sensitive sensing, durable battery.
Solution Design:
1. Main Control Chip: STM8S003F3P6 low-power MCU
2. Sensor: Pyroelectric infrared sensor, adjustable sensing distance
3. Actuator: Micro servo controls lid opening and closing
4. Power: 4 AA batteries, standby current <30uA
5. Functions: Automatic lid opening, 5-second lid closing, always-on mode
6. Material: ABS barrel body, PP lid
Technical Challenges:
- Low Power: Battery life 18 months
- Sensing Stability: Avoid sunlight, heat source false triggers
- Structural Waterproof: Barrel body waterproof design
Deliverables:
- Hardware Design: Main board design, waterproof structure
- Firmware Development: Sensing algorithm, low-power management
- Testing Certification: FCC, CE, RoHS certification
- Packaging Design: English packaging, suitable for cross-border e-commerce
Customer Value: Product successfully entered Amazon, became a hot-selling home category product.
Project Results
Project Results: Successfully delivered smart home controller PCBA solution. Client has started mass production with monthly output of 22,000 units.
Key Metrics:
- Yield rate: 99.0%
- Power consumption: WiFi+BLE, always-on connection
- Performance: Voice control, APP remote, scene automation, IR blaster
- Reliability: OTA upgrade, offline local control
Client Feedback: Voice recognition rate high, device compatibility good.