CC2D33 - Chip Cap 2 Digital (I2C). Accuracy - 3%  Voltage - 3.3v

CHIP: C2D3 EG502

Default i2c port: 0x28

Product page:  Telaire ChipCap 2-SIP

Datasheet: Telaire ChipCap 2-SIP | Humidity and Temperature Sensor - Datasheet

Application guide: Telaire ChipCap2 | Humidity and Temperature Sensor - Application Guide

Library: https://github.com/circuitsforfun/ChipCap2

Amazon Price: 18$

Chip Cap 2 SIP Pin Assignment

Sensors test examples: 

Test 1 v8b Balcony high to mid RH

Test 2 v8b Balcony low RH

Test 0 v9 balcony high humidity

Test 1 v9 humidity absorber draft

Test 2 v9 new sensors overview

Test 2 v9 steam in bathroom