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MQ-3 Alcohol Gas Detector Alcohol Ethanol Sensor Module (Blue)
Chip | LM393, MQ-x gas sensing probe |
Size | 32mm X22mm X30mm |
Working voltage | DC 3V- 5V |
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IR Break Beam Sensor – 5mm leds
This IR break beam sensor works by detecting an object breaking a beam of IR light. This particular sensor has a range of up to 50 cm / 20″ and can be used with 3.3 or 5V.
raspberry pi 5 4gb With a 64-bit quad-core Arm Cortex-A76 processor at 2.4GHz,
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