Temperature and humidity meter
Temperature and humidity meter
Temperature and humidity meter

It provides you with a low power consumption Bluetooth and material saving design thermometer and hygrometer solution, integrates high-precision internal/external temperature and humidity sensors, RTC clocks, accurately senses the seat changes of temperature and humidity, transmits data by means of BLE protocol, and realizes remote temperature and humidity detection and recording through mobile phone APP. This scheme has very low power consumption and is easy to produce.

Detailed description
Characteristic
1. Real time display of time, temperature and humidity information;
2. Support alarm function;
3. High sensitivity and small temperature drift;
4. Low anti-interference;
Development Suite
Applicable chip
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Chip: ST17H66  
Description: Bluetooth 5.2, BLE, Bluetooth Mesh  
CPU: High performance low power 32-bit processor  
Memory: 64KB SRAM, all programmable retention in sleep mode  
Supported frequency band: 2.4 GHz  
Supported protocols: Bluetooth 5.2
Sensitivity: -97dBm@BLE 1Mbps data rate  
Transmission power: 10dBm  
Receiving current: 8mA  
Emission current: 8.6mA  
Package: TSSOP16  
Development kit: ST17Hxx development kit
schematic diagram
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