This is a dual Humidity sensor and Temperature sensor. It can be found here:

https://www.semiconductorstore.com/cart/pc/viewPrd.asp?idproduct=53922

This is a dual Barometric pressure sensor and Temperature sensor. It can be found here:

https://www.semiconductorstore.com/cart/pc/viewPrd.asp?idproduct=102750

This is a wireless transceiver that uses a 2.4GHz frequency. It can be found here:

https://lastminuteengineers.com/nrf24l01-arduino-wireless-communication/

This is the main microcontroller that is used. It can be found here:

https://www.adafruit.com/product/2590

This is the ultrasonic sensor used to calculate distance. It can be found here:

https://www.sparkfun.com/products/15569

This is an I2C device that returns both temperature and humidity data.

https://www.mouser.com/ProductDetail/Honeywell/HIH6020-021-001?qs=jvB%252BdWhGd43%2FZG9ey9bbTQ%3D%3D