We have collected some information about the 3.3V compatible device. If you find other compatible device, please let us know.

Compatible Device

Temperature and Humidity

Light Sensor

Motion sensor

Other Device

Wireless Device

Incompatible Device

Gas Sensor

All Gas sensors are incompatible with 3.3V low voltage. All water quality sensor are incompatible with 3.3V low voltage Relay Module V2 (For now,the relays require 5V standard voltage)