The ZE08G-CH2O electrochemical formaldehyde module is a general-purpose, miniaturized module. It utilizes electrochemical principles to detect CH2O in the air, exhibiting good selectivity and stability. The module provides UART digital output for convenient concentration data reading and use. The ZE08G-CH2O is a general-purpose gas module designed and manufactured by tightly integrating mature electrochemical detection technology with sophisticated circuit design.