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31 x 8 Battery-Backed General-Purpose RAM
Digital interface : 5V TTL level UART interface
which can easily control two bi-directional and high-power DC motors through the Arduino control
3V Pin : 50 mA
Hydrogen Sensor Module (MQ8) Interrupter 31 x 8 Battery-Backed General-PurposeIntroduction: This is a simple to use hydrogen sensor, suitable for sensing hydrogen concentrations in the air. The MQ 8 can detect hydrogen gas concentrations anywhere from 100 10000ppm. This sensor has a high sensitivity and fast response time. Detects Hydrogen(H2), poorly sensitive to LPG, alcohol, cooking steam, CO. Features : Main chip: LM393 Working voltage: DC5V Load resistance: 10K Dual signal output (TTL level output and Analog output) TTL
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