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Detection Gas: Alcohol Gas
we can see the 5x5 LED array that you can use as a light sensor
The current draw is either about 2mA or about 10mA @ 5V
3V output voltage or turned off completely
Product Attribute Attribute Value Mounting Style: Through Hole Package/Case: PDIP-8 Number of Channels: 2 Channel Supply Voltage – Max: 36 V GBP – Gain Bandwidth Product: 3 MHz Output Current per Channel: 20 mA SR – Slew Rate: 13 V/us Vos – Input Offset Voltage: 10 mV Supply Voltage – Min: 7 V Minimum Operating Temperature: 0 C Maximum Operating Temperature: + 70 C Ib – Input Bias Current: 200 pA Operating Supply Current: 3
Automatic irrigation module DIY kit soil moisture detection automatic watering AA Detection Gas: Alcohol GasIntroduction: The fork shaped probe with two exposed conductors, acts as a variable resistor (just like a potentiometer) whose resistance varies according to the water content in the soil. This resistance is inversely proportional to the soil moisture: The more water in the soil means better conductivity and will result in a lower resistance. The less water in the soil means poor conductivity and will result in a higher resistance. The sensor produces