The core circuit is designed using over ten years of microcontroller development experience, ensuring a reasonable layout, strong anti-interference capability, reliable performance, and stable operation.
Operating Environment:
Temperature: -20°C to 50°C
Humidity: ≤ 85%, non-condensing
Main Features:
- Four output channels (can be enabled according to actual needs)
- Supports time-based billing or flow meter–based billing
- Two billing modes: prepaid or real-time deduction
- Supports coin payment, card payment (optional ozone, inflation, vacuum functions, etc.)
- Water level switch detection
- Auto reset time can be set (1–30 minutes)
- Adjustable starting balance
- Pause function
- Supports external machine connection
- Scheduled auto power on/off
- Total usage time can be preset
- Minimum spending amount can be set

