Wireless thermometer and radio clock chip scheme
Wireless thermometer and radio clock chip scheme
Product features:
1. Typical working voltage: 3.0V
2. LCD parameters: 1 / 3 bias, 1 / 7 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%,
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. Perpetual calendar function from January 1, 2001 to December 31, 2099
2. Time display hour, minute
3. Select RCC receiving function in WWVB format and DCF format for short circuit
4. RCC in WWVB format has on / off DST function, while DCF format has three zone functions of 1, 2 and - 1
5. Indoor temperature measurement range: - 10 ℃ ~ 70 ℃ (14 ℉ ~ 158 ℉)
6. Indoor temperature refresh time: 30s, resolution: 0.1OC
7. RF temperature unit
8, ℃ / ℉ temperature unit key switching function
9. Alarm to start the emergency signal function
10. Seven segment code displays week and 31 dot matrix calendar display date
11. Switching between week display and month display
12,5 ~ 30 minutes adjustable snooze time, 5 minutes snooze by default
13. Low voltage detection function of indoor host
14. Key tone prompt function
15. Backlight function