Thinary BME280
AliExpress: 4$
Adafruit BME280
Amazon: 23$
Product https://www.bosch-sensortec.com/products/environmental-sensors/humidity-sensors-bme280/
Datasheet: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf
Local datasheet: bst-bme280-ds002.pdf
Bosch code: https://github.com/BoschSensortec/BME280_driver
Sensors test examples:
v1 draft multiple humidity sensors comparision
Test 1 SD Datalog with AHT10 and high humidity
Test 2 v5 board stable environment
Test 5 v5 saturated salt solution
Test 4 v6 Saturated NaCl solution
Test 2 v7 room RH12 low humidity
Test 3 v7 balcony RH15-92 changing humidity
Test 4 v8 RH12 to RH94#BME280vsSHT85SensorsHumidity
Test 1 v8b Balcony high to mid RH
Test 0 v9 balcony high humidity