We ordered a few parts and need to figure some technical details. When I used the UPC number to search the part on your website, it doesn’t return with the correct the parts. Below is the list of parts.
MQ-2 Propane Butane Methane
Alcohol Gas Sensor ADC121C 12-Bit
ADC I2C Mini Module (UPC:
689860065307)
MQ-9 Carbon Monoxide
Combustible Gas Sensor ADC121C
12-Bit ADC I2C Mini Module (UPC:
689860065376)
ADC121C021 Sound Sensor for
Detecting Noise Knock Vibration or
Shock using I2C Piezo Sensor (UPC:
689860067646)