Outdoor wireless thermometer chip scheme

2021-11-29 15:53:32 hongling

Outdoor wireless thermometer chip scheme

Product features:

1. Typical working voltage: 3.0V

2. LCD parameters: 1 / 3 bias, 1 / 5DUTY; 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 RF receiving modules of our company: sr-ly08, sr1308

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

Main functions:

1. Indoor temperature, measurement range: - 20 ℃ ~ 60 ℃, refresh time: 10 seconds, resolution: 0.1OC

2, 3-channel outdoor RF temperature receiving, measurement range: - 20 ℃ ~ 60 ℃

3. When the time is displayed, it is displayed in minutes

4. Historical records of indoor temperature and outdoor RF temperature with larger / smaller values

5. Secondary low voltage detection function

6. Backlight function