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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Red refers to errors
shields will be compatible with both boards that use AVR
It also has an adjustable button for the contrast of the LCD display
Real time sampling rate of 1GSa/s
high current
[Discontinued] MQ-138 Formaldehyde Aldehydes Gas Detection Sensor Open Source Hardware Red refers to errorsDescription: For the family, the environment of the volatile compounds detection devices, suitable aldehydes, alcohols, ketones, aromatic compounds detected, the gas sensor test concentration range: 1 to 100ppm benzene Toluene 10 to 100ppm Methanol 5 to 100ppm Alcohol 30 to 300ppm Acetone 10 to 300ppm Formaldehyde 1 to 10ppm Provide a reference routines, circuit diagrams and Other relative information. Specification: Size: 32mm x 22mm x 30mm Main
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