无线发射接收成套原理图和PCB电路图！其中无线发射IC和接收IC是综合考虑了性价比很高的IC！其中超外差接收IC是法国一家公司的内有中文PDF资料，而且此超外差IC现在是市面我所发现的最便宜的超外差接收IC，而且以大批量投产过！-Wireless transmitting and receiving sets of the circuit! In which the wireless transmitter and receiver IC IC is very high considering

esp8266_i2c_htu21d_HTU21温湿度传感器采用基于法国Humirel高性能的湿度感应元件制成，HTU21系列模块为OEM客户应用提供了准确可靠的温湿度测量数据-HTU21 temperature and humidity sensor for humidity sensing element is made of French Humirel based on high performance provides temperature and humidity measurem