DHT22 - Smart Home temperature sensor - Esp8266 01

thingiverse

i designed a 2 chamber dht22 all in one sensor. this object can be plugged directly in you house socket and it is ready to go. the required componenti are: -esp 8266 01: https://it.banggood.com/ESP8266-ESP-01S-ESP01S-Serial-Wifi-Sensor-Wireless-Module-ESP-01-Wifi-Module-for-SKR-PRO-SKR-V1_4-Turbo-3D-printer-parts-p-1755357.html?cur_warehouse=CN&rmmds=search -adapter module https://it.banggood.com/ESP8266-Serial-Wi-Fi-Wireless-ESP-01-Adapter-Module-3_3V-5V-p-1047322.html?cur_warehouse=CN&rmmds=search -230v to 5v regulator https://it.banggood.com/10pcs-AC-DC-5V-700mA-3_5W-Isolated-Switching-Power-Supply-Module-Buck-Regulator-Step-Down-Precision-Power-Module-220V-to-5V-Converter-p-1542714.html?cur_warehouse=CZ&rmmds=search -DHT22 sensor https://www.banggood.com/Wholesale-Geekcreit-DHT22-AM2302-Digital-Temperature-Humidity-Sensor-Replace-SHT15-Logger-p-47240.html?cur_warehouse=CN&rmmds=search (the links are for reference only, they are not for affiliation purpose.) I wantet to use an adaptor module to step down the 5 volt supply to a 3.3v required by the microcontroller and i because i don't wanted to solder directly on it. for the software i used tasmota (https://tasmota.github.io/docs/) wich can be configured to comunicate with smart home devices by mqtt protocoll. I suggest you to use pin D3 (GPIO0) so you have a pulled up input. on the tasmota firmaware the dht22 is showed as AM2301 Is designed to prevent sensor reading errors caused by heat generated by the microcontroller and the power supply unit. You can glue a plug onto it and plug it directly into the socket or you can glue a plug onto it and plug it directly into the main house system. Always be careful with this kind of work, there are dangerous tensions. you can seriously hurt yourself! if you are not sure, get help. I am absolutely not responsible for your actions in creating this project. Have fun!