Wireless temperature and humidity weather forecast scheme

2021-11-26 18:14:38 hongling

Wireless temperature and humidity weather forecast scheme

Product features:

1. Typical working voltage: 3.0V

2. LCD parameters: 1 / 3 bias, 1 / 8 duty; Driving voltage 4.5V

3. The relatively simplified circuit saves peripheral components to a great extent

4. Supporting our temperature sensor rh-10k, B = 3435,1%, humidity sensor hs-03, rh-31k

5. Supporting RCC receiving modules of our company: strc638, strc668

6. Supporting RF receiving modules of our company: sr-ly08, sr1308

7. It can be directly matched with our 315MHz and 433MHz. 868mhz, 915MHz RF receiving module

Main functions:

1. Grade 5 weather forecast based on temperature and humidity change; Sunny, semi sunny, cloudy, rainy days (snow days, i.e. freezing point start emergency signal)

2. DCF RCC receiving format

3. Indoor temperature, measurement range: 0 ℃ ~ 50 ℃, refresh time: 10 seconds, resolution: 0.1 ℃

4. Indoor humidity, measurement range: 20% ~ 99%, refresh time: 10 seconds, resolution: 1%

5. 3-channel outdoor RF temperature receiving, measurement range: - 50 ℃ ~ 70 ℃

6. Time display: hour, minute and second

7. Language display of seven countries

8. 100 year perpetual calendar

9. Weather, outdoor RF temperature change trend

Lunar phase pattern and tide display of level 10 and 8

11. Indoor temperature and humidity, outdoor RF temperature, historical records of larger and smaller values

12. Temperature start emergency signal function

13. Double sound alarm prompt function

14,5 minute snooze function

15. Low voltage detection function

16. Backlight function

17. Key tone prompt function (when a function key is pressed, the buzzer will sound once)

18. Selection of short circuit point of humidity correction value