86温湿度传感器=DHT11+
电源模块 5
https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-229823608.27.46285277oF3vv0&id=592700455285
端子KF45 0.24
https://item.taobao.com/item.htm?spm=a230r.1.14.27.1b4953d18JfVhZ&id=546562992439&ns=1&abbucket=8#detail
硅橡胶
WIFI模块 10
DHT11 4.5
https://item.taobao.com/item.htm?spm=a1z10.3-c-s.w4002-22846820968.25.6c2e167fwFkL0l&id=618844496861
1117-3.3 0.16
https://item.szlcsc.com/323882.html
16v10u 电容 0.02
https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-3247801829.10.188d52b8tlP9Aq&id=8007925585
100nF(104) ±20% 50V 0.04
https://item.szlcsc.com/335372.html
公元底盒 2.11
https://item.taobao.com/item.htm?spm=a230r.1.14.33.18f914c4Tj6kZ4&id=595369720936&ns=1&abbucket=8#detail
空白面板 2.72
消声器 3.5
https://item.taobao.com/item.htm?spm=a230r.1.14.25.c69f48a81u9FbF&id=619774705086&ns=1&abbucket=8#detail

电路板预留5V供电口
供电电路做三种电源的，防止某一两种断货
然后5V-3.3V的电路做切换，可选