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1 x 2 PCS 100MM Aluminum Shocks Absorber For 1/10 RC Car Remote Controlled Car
These are compatible with our DC wall supplies and have a 5
PCB mount clip to hold a AA battery
and an interval of 5min
SparkFun Alcohol Gas Sensor - MQ-3 Biometrics Surveillance Cameras 1 x 2 PCS 100MMThis alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple, all it needs is one resistor. A simple interface could be a 0 3. 3V ADC. Please review the datasheet for conversions to ppm then Wikipedia. org for BAC. Features: 5V DC or AC