SparkFun DS18B20防水温度传感器
SparkFun DS18B20防水温度传感器是密封式数字温度探头，设有方便的1-Wire接口，可在潮湿环境中精确测量温度。探头直径为7mm，长26mm。包括电线在内的总长度为6英尺。传感器的接口按如下方式布局：红色连接到VCC、黑色连接到GND、白色连接到SIG。DS18B20通过1-Wire接口提供9到12位（可配置）温度数据读取。该传感器相当灵活，仅需一根信号线即可连接到中央微处理器。
特性
- 3.0V to 5.5V input voltage
- Waterproof
- -55°C to +125°C temperature range
- ±0.5°C accuracy from -10°C to +85°C
- No external components are required
- Zero standby power required
- 9-bit to 12-bits programmable thermometer resolution
- Converts 12-bit temperature to digital word in 750ms (maximum)
- User-definable, nonvolatile temperature alarm settings
- 1-wire interface requires only one port pin for communication
- Probe is 7mm in diameter and roughly 26mm long, overall length (including wire) is 6 feet
应用
- Thermostatic controls
- Industrial systems
- Consumer products
- Thermometers
- Any thermally sensitive system
视频
Block Diagram
Close-Up Views
Additional Resources
发布日期: 2019-11-21
| 更新日期: 2023-03-01