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Design files and instructions can be found in the repository here:
The MH-Z14A from Winsen is a relatively small size sensor which uses non-dispersive infrared (NDIR) principle to detect the existence of CO₂ in the air
Full design details and the full list of serial commands are available in the GitHub repository:
The Oscill-O-Tron 2000 includes pre-soldered SMD and through-hole soldering and is an intermediate electronics project
You can always buy anemometers or wind vanes from us which definitely work with this interface board
Controlled DC-DC Step-Up Converter Maker Design files and instructions canHave you needed to power a small sensor with 12 or 24V but only had 3. 3V or 5V available? Maybe you need to really reduce your power consumption and running the sensor all the time will consume too much power? Then this simple enable line controlled DC DC step up converter might be useful for you! The step up converter is an off the shelf DC DC converter board using the MT3608. This can take an input voltage of 2 24V DC and supply an output voltage
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