Chip scheme of indoor and outdoor wireless temperature radio clock

Chip scheme of indoor and outdoor wireless temperature radio clock

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. Radio clock function in DCF / WWVB format

2. 12 / 24-hour system switching function

3. Time display: hour, minute and second

4. Double sound alarm and sleepy time function, which can adjust the sleepy time

5. Alarm time / month / day display / week switching display (day and month are displayed by default)

6. Select two characters to display week

7. 30-year perpetual calendar (from January 1, 2000 to December 31, 2029)

8. Indoor temperature, measurement range: - 10 ℃ ~ 50 ℃, refresh time; 30 seconds, resolution: 0.1 ℃

9. RF outdoor temperature (3 channels), display range: - 29.9 ℃ ~ 69.9 ℃, resolution: 0.1 ℃

10. Indoor and outdoor temperature records with larger and smaller values and recording time display of larger and smaller values on the same screen

11. Temperature unit ℃ / ° f switching display is realized by long pressing the date key

12. Backlight function

13. Key tone function.