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vending machines and lockers
Module 5: Introduces wireless communication via Bluetooth and advanced sensors
amongst others
4× SP10 probes with pin tipped test needles
push buttons
Gravity: Analog CO2 Gas Sensor (MG-811 Sensor) Sound&Audio vending machines and lockersGreat and powerful sensor for everyone that wants to know the exact concentration of CO2(Carbon Dioxide) in the air. This is the first CO2 sensor compatible with Arduino. The output voltage of the module falls as the concentration of the CO2 increases. The potentiometer onboard is designed to set the threshold of voltage. As long as the CO2 concentration is high enough (the voltage is lower than the threshold), a digital signal (ON OFF) will be
US$ 655.00
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