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Use a level shifter for any 5V sensors or modules
Product Gas Analog CH4 Gas Sensor MQ4 For Arduino Interface type Analog Power supply 5V Size 40x20mm Interface Analog Category gas sensors Wiring & usage notes
Sensing range: 3cm - 80cm
Each order comes with one tested and assembled FONA shield and a stick of 0
Cautions: The input voltage must be higher than output voltage
Metal Soldering Iron Stand w/ Sponge - For 936/907 Iron breadboard Use a level shifter forA metal stand for 936 station and 907 style soldering iron handles (900M series). Gives a hot iron a safe place to rest between joints instead of the edge of your table. Full metal frame with enough weight to stay put when you holster the iron, plus a sponge tray at the base for tip cleaning. Specs Material Metal Fits 936 stations, 907 handles, 900M series Size 16cm 7cm 7. 5cm Weight 223g Park it on your dominant hand side so the hot iron never
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