Overview
The BF1412 is a digital temperature and humidity module that uses an NTC temperature-sensing element for temperature acquisition and a polymer resistive humidity-sensitive element for humidity measurement. Equipped with a high-performance microcontroller, the module outputs temperature and humidity information through a standard single-wire bus signal. It boasts excellent performance, ultra-fast response, strong anti-interference capability, and high cost-effectiveness.
Key Features
- High sensitivity and wide power supply voltage range (3.3V to 5.5V)
- Digital output with a standard single-wire serial interface, rapid response, and strong anti-interference capability
- Excellent long-term stability, low power consumption, and high precision
Applications
- Home Appliances: Household appliances, humidity regulation, HVAC systems, dehumidifiers, smart thermostats, room monitors
- Industrial Fields: Automotive, testing and detection equipment, automatic control
- Other Areas: Data loggers, weather stations, and other related temperature and humidity detection and control systems
Technical Specifications
| Parameter | Condition | Min | Typical | Max | Unit |
| Accuracy Error1 | Typical | — | ±3 | — | %RH |
| Repeatability | — | — | ±0.3 | — | %RH |
| Hysteresis | — | — | ±1 | — | %RH |
| Response Time2 | τ63% | — | 20 | — | s |
| Operating Range | — | 20 | — | 95 | %RH |
| Long-Term Drift | Normal | — | 2 | — | %RH/yr |
