Be it Home Assistant, ESPHome, or smart home hardware and software in general, here you will find the best guides for everything.
Wi-Fi temperature and humidity sensors do not require a hub. They connect directly to an access point and configured using a built-in web server or an app.
Bluetooth Low Energy (BLE) has similar properties to Zigbee: It uses the same 2.4 GHz radio frequencies and consumes very little power.
Being able to measure the temperature and humidity is one of the basics of a smart home. Here you will find a selection of highly-rated temperature and humidity sensors which are all compatible with Home Assistant.
How does the DHT11 hold up against the DHT22 and BME280 for ESPHome projects?